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150 Hardest and easiest questions for PS [#permalink]
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 21 Aug 2015, 03:49
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150 Hardest Problem Solving Questions (Mar 1st, 2018 - Apr 1st, 2018) Are you familiar with the GMAT Club's timer?We have pulled timer results from our database and analyzed every question in the forum. Based on those results, we have compiled a list of the hardest questions in each of the question forums we have. Below I am presenting to you the top 150 questions from PS forum. | Problem Solving (PS) | | Rank | Title | Topics | | 1 | During the month of April, the average temperatures on day n | Difficulty: 700-Level, Absolute Values/Modulus, Arithmetic, Coordinate Geometry, Inequalities, Must or Could be True Questions, Sequences, Word Problems | | 2 | In the figure, point D divides side BC of triangle ABC into | Difficulty: 700-Level, Geometry, Source: Manhattan GMAT | | 3 | The sum of four consecutive odd numbers is equal to the sum | Difficulty: 700-Level, Sequences | | 4 | If two integers are chosen at random out of the set {2, 5, 7, 8}, what | Difficulty: 700-Level, Number Properties, Probability, Source: Manhattan GMAT | | 5 | An isosceles triangle with one angle of 120° is inscribed in | Difficulty: 700-Level, Geometry, Source: Manhattan GMAT | | 6 | If the product of all the unique positive divisors of n, a p | Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties, Source: Manhattan GMAT | | 7 | If [3(ab)^3 + 9(ab)^2 – 54ab] / [(a-1)(a + 2)] = 0, and a and b are bo | Difficulty: 700-Level, Algebra, Must or Could be True Questions | | 8 | A box contains three pairs of blue gloves and two pairs of | Difficulty: 700-Level, Probability, Source: GMAT Club Tests | | 9 | Arrow AB which is a line segment exactly 5 units along with | Difficulty: 700-Level, Coordinate Geometry, Source: Manhattan GMAT | | 10 | Daniel is playing a dice game in which a dice is rolled 5 times | Difficulty: 700-Level, Probability, Source: Other - Please specify | | 11 | A bus from city M is traveling to city N at a constant speed | Difficulty: 700-Level, Distance/Rate Problems, Source: GMAT Club Tests | | 12 | The function g(x) is defined for integers x such that if x | Difficulty: 700-Level, Algebra, Functions and Custom Characters | | 13 | In the x-y plane, point (p, q) is a lattice point if both p | Difficulty: 700-Level, Coordinate Geometry, Geometry, Source: Magoosh | | 14 | How many even 3 digit integers greater than 700 with | Difficulty: 700-Level, Combinations, Source: Official Guide | | 15 | If 10! - 2*(5!)^2 is divisible by 10^n, what is the greatest | Difficulty: 700-Level, Algebra, Divisibility/Multiples/Factors, Number Properties | | 16 | Twenty meters of wire is available to fence off a flower bed in the | Difficulty: 700-Level, Geometry, Min/Max Problems, Source: Economist GMAT Tutor | | 17 | There are 500 cars on a sales lot, all of which have either two doors | Difficulty: 700-Level, Number Properties, Overlapping Sets, Percents and Interest Problems, Source: Magoosh | | 18 | A list of numbers has six positive integers. Three of those integers | Difficulty: 700-Level, Statistics and Sets Problems, Source: Veritas Prep | | 19 | If a, b are integers, and (a-b)^2 + 8b^2=108, what is the number of th | Difficulty: 700-Level, Algebra, Source: Math Revolution | | 20 | In a certain mathematical activity, we have five cards with five diffe | Difficulty: 700-Level, Combinations, Source: Magoosh | | 21 | How many numbers that are not divisible by 6 divide evenly | Difficulty: 700-Level, Divisibility/Multiples/Factors, Source: Manhattan GMAT | | 22 | An integer between 1 and 300, inclusive, is chosen at random | Difficulty: 700-Level, Number Properties, Probability, Source: Manhattan GMAT | | 23 | A sequence of numbers (geometric sequence) is given by the | Difficulty: 700-Level, Absolute Values/Modulus, Exponents/Powers, Sequences, Source: Grockit | | 24 | If 2^x + 2^y = x^2 + y^2, where x and y are nonnegative inte | Difficulty: 700-Level, Absolute Values/Modulus, Algebra, Min/Max Problems, Source: Manhattan GMAT | | 25 | What is the probability of getting a sum of 8 or 14 when | Difficulty: 700-Level, Probability | | 26 | On a partly cloudy day, Derek decides to walk back from work | Difficulty: 700-Level, Distance/Rate Problems, Source: Veritas Prep | | 27 | How many values can the integer p=|x+3|-|x-3| assume? | Difficulty: 700-Level, Absolute Values/Modulus | | 28 | Let a “2-placer” be a terminating decimal, between 0 and 1, for which | Difficulty: 700-Level, Fractions/Ratios/Decimals, Number Properties, Source: Manhattan GMAT | | 29 | Pipe A can fill a tank in 32 minutes. Pipe B can fill the sa | Difficulty: 700-Level, Work/Rate Problems | | 30 | An alloy of copper and aluminum has 40% copper. An alloy of Copper and | Difficulty: 700-Level, Mixture Problems, Source: Other - Please specify | | 31 | A big cube is formed by rearranging the 160 coloured and 56 | Difficulty: 700-Level, Geometry, Percents and Interest Problems | | 32 | In a certain sequence, every term after the first is determi | Difficulty: 700-Level, Sequences, Source: Manhattan GMAT | | 33 | How many different pairs of integers (a, b) exist such that 2 <= a <= | Difficulty: 700-Level, Algebra, Combinations, Inequalities, Source: Manhattan GMAT | | 34 | A botanist selects n^2 trees on an island and studies (2n + | Difficulty: 700-Level, Remainders, Source: Princeton Review | | 35 | We define f(n) as the highest non-negative integer power of 7 that | Difficulty: 700-Level, Divisibility/Multiples/Factors, Exponents/Powers, Functions and Custom Characters | | 36 | List T consist of 30 positive decimals, none of which is an | Difficulty: 700-Level, Min/Max Problems, Source: Official Guide | | 37 | Darcy, Gina, Ray and Susan will be the only participants at a meeting. | Difficulty: 700-Level, Probability, Source: Kaplan | | 38 | Pam and Robin each roll a pair of fair, six-sided dice. What is the pr | Difficulty: 700-Level, Probability, Source: Veritas Prep | | 39 | How many integral values of k are possible, if the lines 3x+ | Difficulty: 700-Level, Coordinate Geometry | | 40 | If a circle passes through points (9,2*sqrt(3)) | Difficulty: 700-Level, Coordinate Geometry, Geometry, Source: Other - Please specify | | 41 | How many different combinations of outcomes can you make by | Difficulty: 700-Level, Combinations | | 42 | How many integers less than 100 have exactly 4 odd factors b | Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties | | 43 | Ms. Barton has four children. You are told correctly that sh | Difficulty: 700-Level, Probability, Source: GMAT Prep EP1, Source: Manhattan GMAT | | 44 | The elevator in an eleven-story office building travels at | Difficulty: 700-Level, Distance/Rate Problems | | 45 | Set S consists of numbers 2, 3, 6, 48, and 164. Number K is | Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties, Probability | | 46 | In the diagram, points A, B, and C are on the diameter of | Difficulty: 700-Level, Geometry, Source: Kaplan | | 47 | Three men A, B and C working together can do a work in 30 da | Difficulty: 700-Level, Work/Rate Problems | | 48 | Random Pack 1, Question 3 Three circles with radii... | Difficulty: 700-Level, Geometry, Source: EMPOWERgmat | | 49 | A trail mix company keeps costs down by employing the peanuts:cashews: | Difficulty: 700-Level, Fractions/Ratios/Decimals, Source: Veritas Prep | | 50 | A bag contains 3 red and 2 black ball. Another bag contains 4 red and | Difficulty: 700-Level, Probability | | 51 | The figure above shows gas mileage at different speeds for all compact | Difficulty: 700-Level, Distance/Rate Problems, Graphs and Illustrations, Source: Other - Please specify | | 52 | Two kinds of Vodka are mixed in the ratio 1:2 and 2:1 and | Difficulty: 700-Level, Mixture Problems | | 53 | If integer C is randomly selected from 20 to 99, inclusive. | Difficulty: 700-Level, Divisibility/Multiples/Factors, Probability, Source: Manhattan GMAT | | 54 | Consider a regular polygon of p sides. The number of values | Difficulty: 700-Level, Geometry, Number Properties | | 55 | How many 4-digit numbers can be formed by using the digits 0 | Difficulty: 700-Level, Combinations | | 56 | Points A and B are 120 km apart. A motorcyclist starts from | Difficulty: 700-Level, Distance/Rate Problems, Geometry, Source: Manhattan GMAT | | 57 | If |12x−5|>|7−6x|, which of the following CANNOT be the | Difficulty: 700-Level, Absolute Values/Modulus, Inequalities, Source: Veritas Prep | | 58 | A customer using a certain telephone calling plan pays a fee | Difficulty: 700-Level, Word Problems, Source: Kaplan | | 59 | The positive value of x that satisfies the equation (1 + 2x) | Difficulty: 700-Level, Algebra, Exponents/Powers, Source: Manhattan GMAT | | 60 | A terrible disease sweeps around the world, luckily only affecting 1 | Difficulty: 700-Level, Probability, Source: Other - Please specify | | 61 | If a and b are distinct integers and a^b = b^a, how many | Difficulty: 700-Level, Exponents/Powers, Number Properties, Source: Veritas Prep | | 62 | The function p(n) on non-negative integer n is defined in | Difficulty: 700-Level, Exponents/Powers, Functions and Custom Characters, Source: Manhattan GMAT | | 63 | Bill has a set of 6 black cards and a set of 6 red cards | Difficulty: 700-Level, Combinations, Probability, Source: Other - Please specify | | 64 | When the number 777 is divided by the integer N, the remaind | Difficulty: 700-Level, Remainders, Source: 800 Score | | 65 | Louie takes out a three-month loan of $1000. The lender | Difficulty: 700-Level, Percents and Interest Problems, Source: Magoosh | | 66 | A set of five positive integers has an arithmetic mean of 150. A parti | Difficulty: 700-Level, Number Properties, Source: Veritas Prep | | 67 | If x and y are integers and 2x + 9y = 57, then the least possible valu | Difficulty: 700-Level, Algebra, Source: Veritas Prep | | 68 | For positive integers k and n, the k-power remainder of n is defined | Difficulty: 700-Level, Min/Max Problems, Number Properties, Remainders, Source: Manhattan GMAT | | 69 | A cylindrical tank of radius R and height H must be redesign | Difficulty: 700-Level, Geometry, Source: Manhattan GMAT | | 70 | A sheet of paper ABDE is a 12-by-18-inch rectangle, as shown in Figure | Difficulty: 700-Level, Geometry, Source: Manhattan GMAT | | 71 | On the number line shown, the distance between 0 and a . . . | Difficulty: 700-Level, Absolute Values/Modulus, Algebra, Source: e-GMAT | | 72 | Allen starts from X, goes to Y. At the same time Bob starts from Y and | Difficulty: 700-Level, Distance/Rate Problems, Source: Other - Please specify | | 73 | A bag contains 10 bulbs and 5 torches, out of which 3 bu | Difficulty: 700-Level, Probability, Source: e-GMAT | | 74 | If a is the sum of x consecutive positive integers. b is the | Difficulty: 700-Level, Statistics and Sets Problems, Source: Manhattan GMAT | | 75 | A man arrives at a railway station 90 minutes before the tim | Difficulty: 700-Level, Distance/Rate Problems | | 76 | What is the sum of all solutions to the equation x^(2x² + 4x – 6) = x | Difficulty: 700-Level, Exponents/Powers, Source: GMATPrepNow | | 77 | Brian is analyzing the performance of certain stocks. He finds that | Difficulty: 700-Level, Statistics and Sets Problems, Word Problems, Source: Princeton Review | | 78 | The remainder when N is divided by 18 is 16. Given that N is | Difficulty: 700-Level, Remainders | | 79 | If y = |x + 5|-|x - 5|, then y can take how many integer | Difficulty: 700-Level, Absolute Values/Modulus, Source: GMAT Prep | | 80 | 4 individuals arrive separately at an orchestra concert with | Difficulty: 700-Level, Probability, Source: Veritas Prep | | 81 | In how many ways can 5 different marbles be distributed in 4 | Difficulty: 700-Level, Combinations, Source: GMAT Pill | | 82 | Of the three-digit integers greater than 660, how many have | Difficulty: 700-Level, Combinations | | 83 | An escalator moves downward from street level to a subway platform at | Difficulty: 700-Level, Arithmetic, Distance/Rate Problems, Source: Other - Please specify | | 84 | How many distinct four-digit numbers can be formed by the | Difficulty: 700-Level, Combinations, Source: Magoosh | | 85 | In the game of Yahtzee, a "full house" occurs when a player | Difficulty: 700-Level, Probability, Source: Veritas Prep | | 86 | Baseball's World Series matches 2 teams against each other | Difficulty: 700-Level, Probability, Source: Manhattan GMAT | | 87 | How many even integers n, where 100 <= n <= 200, are divisib | Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties | | 88 | A fair coin is tossed 6 times. What is the probability of getting no | Difficulty: 700-Level, Probability | | 89 | At the post office, a letter must go through a sorting process with fo | Difficulty: 700-Level, Arithmetic, Fractions/Ratios/Decimals, Word Problems | | 90 | Jerry and Jim run a race of 2000 m. First, Jerry gives Jim | Difficulty: 700-Level, Distance/Rate Problems, Source: GMAT Paper Tests | | 91 | The number 523abc is divisible by 7,8,9. Then what is the | Difficulty: 700-Level, Divisibility/Multiples/Factors | | 92 | If x is the reciprocal of a positive integer, then the maximum value o | Difficulty: 700-Level, Min/Max Problems, Number Properties, Source: Manhattan GMAT | | 93 | a, b, c, d are positive integers such that exactly one of | Difficulty: 700-Level, Inequalities | | 94 | What is the last non-zero digit of expression | Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties, Source: Other - Please specify | | 95 | Suppose x is an integer such that (x^2−x−1)^(x+2)=1 | Difficulty: 700-Level, Algebra, Source: Veritas Prep | | 96 | Suppose a “Secret Pair” number is a four-digit number in which two adj | Difficulty: 700-Level, Combinations, Source: Magoosh | | 97 | Set A is composed of nine numbers, labeled A1 through A9. Set B is als | Difficulty: 700-Level, Statistics and Sets Problems, Source: Manhattan GMAT | | 98 | If xy > 0 and (x − 2)(y + 1) < 0, then which of the following must be | Difficulty: 700-Level, Absolute Values/Modulus, Inequalities, Must or Could be True Questions, Source: Veritas Prep | | 99 | How many triangles with positive area can be drawn on the | Difficulty: 700-Level, Coordinate Geometry, Geometry | | 100 | Two different primes may be said to “rhyme” around an integer if they | Difficulty: 700-Level, Number Properties, Source: Manhattan GMAT | | 101 | Brenda and Sally run in opposite direction on a circular tra | Difficulty: 700-Level, Distance/Rate Problems | | 102 | For how many different pairs of positive integers (a, b) can | Difficulty: 700-Level, Arithmetic, Source: Manhattan GMAT | | 103 | How many 3-digit integers between 100 and 200 have a digit | Difficulty: 700-Level, Combinations, Source: Kaplan | | 104 | |x + 3| = |y -4|, where x and y are non-zer | Difficulty: 700-Level, Algebra, Inequalities, Min/Max Problems, Source: e-GMAT | | 105 | Pipe A and Pipe B fill water into a tank of capacity 1000 litres at | Difficulty: 700-Level, Work/Rate Problems, Source: Other - Please specify | | 106 | A cyclist travels the length of a bike path that is 225 | Difficulty: 700-Level, Distance/Rate Problems, Inequalities, Source: Manhattan GMAT, Source: PowerPrep | | 107 | John works twice as fast as Peter, but John takes a half hour break af | Difficulty: 700-Level, Work/Rate Problems, Source: Other - Please specify | | 108 | There are 100 freshmen at a particular college, all of whom | Difficulty: 700-Level, Overlapping Sets | | 109 | Which of the following is/are true? | Difficulty: 700-Level, Absolute Values/Modulus, Inequalities | | 110 | In a village of 100 households, 75 have at least one DVD player, 80 | Difficulty: 700-Level, Overlapping Sets, Source: 800 Score, Source: GMAT Prep | | 111 | On planet Simplon, each year has 12 months, each of which | Difficulty: 700-Level, Fractions/Ratios/Decimals, Source: Veritas Prep | | 112 | A dealer offers a cash discount of 20% and still makes a pro | Difficulty: 700-Level, Arithmetic, Percents and Interest Problems | | 113 | How many positive integers less than 1000 are multiples of 5 | Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties | | 114 | Of a group of people, 10 play piano, 11 play guitar, 14 play | Difficulty: 700-Level, Overlapping Sets, Source: Veritas Prep | | 115 | How many different four-letter words can be formed (the words don't | Difficulty: 700-Level, Combinations | | 116 | Mike started working at 18 and retires at 60. He spent the first 1/5 | Difficulty: 700-Level, Fractions/Ratios/Decimals, Source: Other - Please specify | | 117 | Matt is touring a nation in which coins are issued in two am | Difficulty: 700-Level, Combinations, Source: Veritas Prep | | 118 | If m^2 < 225 and n - m = -10, what is the sum f the smallest | Difficulty: 700-Level, Inequalities, Min/Max Problems, Source: GMAT Club Tests | | 119 | Ben and Shari have invited three other couples to their apar | Difficulty: 700-Level, Combinations, Source: Princeton Review | | 120 | A certain company plans to sell Product X for p dollars per | Difficulty: 700-Level, Probability | | 121 | Theresa is a basketball player practicing her free throws. On her fir | Difficulty: 700-Level, Fractions/Ratios/Decimals, Probability, Source: Magoosh | | 122 | A set of consecutive positive integers beginning with 1 is | Difficulty: 700-Level, Statistics and Sets Problems | | 123 | Alan’s regular hourly wage is 1.5 times Barney’s regular | Difficulty: 700-Level, Number Properties, Source: Manhattan GMAT | | 124 | If x is any integer from -6 to 2 inclusive, how many | Difficulty: 700-Level, Absolute Values/Modulus, Inequalities, Source: GMATPrepNow | | 125 | 5 letters have to be put in 5 different envelopes numbered 1 through 5 | Difficulty: 700-Level, Probability, Source: Other - Please specify | | 126 | Ax(y) is an operation that adds 1 to y | Difficulty: 700-Level, Functions and Custom Characters | | 127 | A and B are two laborers who have been given the task to build a house | Difficulty: 700-Level, Word Problems, Work/Rate Problems, Source: e-GMAT | | 128 | How many combinations of three letters taken from letters | Difficulty: 700-Level, Combinations | | 129 | A cyclist travels the length of a bike path that is 225 | Difficulty: 700-Level, Min/Max Problems, Word Problems, Source: Manhattan GMAT | | 130 | A not-so-good clockmaker has four clocks on display in the w | Difficulty: 700-Level, Distance/Rate Problems, Source: PowerPrep | | 131 | How many 2-inch by 3-inch rectangular tiles are required to tile this | Difficulty: 700-Level, Geometry, Source: Other - Please specify | | 132 | There are three secretaries who work for four departments. | Difficulty: 700-Level, Combinations, Probability, Source: Kaplan Advanced | | 133 | The workforce of a certain company comprised exactly 10,500 | Difficulty: 700-Level, Word Problems | | 134 | A circle is inscribed in a square with an area of 121 square | Difficulty: 700-Level, Combinations, Geometry, Source: 800 Score | | 135 | If x is the smallest positive integer that is not prime and | Difficulty: 700-Level, Divisibility/Multiples/Factors, Source: Veritas Prep | | 136 | The five sides of a pentagon have lengths of 2, 3, 4, 5 and 6 inches. | Difficulty: 700-Level, Combinations, Source: Other - Please specify | | 137 | In a game of chess the moves of whites and blacks alternate | Difficulty: 700-Level, Word Problems, Source: GMAT Club Tests | | 138 | How many positive integers less than 10,000 are there in | Difficulty: 700-Level, Combinations, Source: Other - Please specify | | 139 | Mira is making telescopes, each consisting of 2 lenses, 1 tu | Difficulty: 700-Level, Fractions/Ratios/Decimals, Word Problems, Source: Manhattan GMAT | | 140 | A circle is inscribed inside right triangle ABC shown above. What is | Difficulty: 700-Level, Geometry, Source: Economist GMAT Tutor | | 141 | In the coordinate axis above, line segment AC is three times | Difficulty: 700-Level, Coordinate Geometry, Source: Princeton Review | | 142 | 7 people (A, B, C, D, E, F and G) go to a movie and sit | Difficulty: 700-Level, Combinations, Source: Veritas Prep | | 143 | If -2 < x <= 5, then which of the following MUST be true? | Difficulty: 700-Level, Exponents/Powers, Inequalities, Source: GMATPrepNow | | 144 | 3 cooks have to make 80 burgers.They are known to make 20 | Difficulty: 700-Level, Work/Rate Problems | | 145 | In racing over a given distance d at uniform speed, A can be | Difficulty: 700-Level, Distance/Rate Problems | | 146 | The average score in an examination of 10 students of a class is 60 | Difficulty: 700-Level, Min/Max Problems, Statistics and Sets Problems, Word Problems, Source: Other - Please specify | | 147 | Teddy has a set of dowels, each with a distinct length in centimeters, | Difficulty: 700-Level, Geometry, Source: Magoosh | | 148 | If n is an odd natural number and n! ends with 32 zeros, the | Difficulty: 700-Level, Number Properties | | 149 | If a line which has the equation 7x + 17y = 1000 is plotted on X-Y pla | Difficulty: 700-Level, Algebra, Coordinate Geometry, Source: Other - Please specify | | 150 | A square wooden plaque has a square brass inlay in the | Difficulty: 700-Level, Geometry, Must or Could be True Questions, Source: Official Guide |
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Math Expert
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Re: 150 Hardest and easiest questions for PS [#permalink]
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21 Aug 2015, 03:52
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150 Easiest Problem Solving Questions (Mar 1st, 2018 - Apr 1st, 2018) Are you familiar with the GMAT Club's timer?We have pulled timer results from our database and analyzed every question in the forum. Based on those results, we have compiled a list of the easiest questions in each of the question forums we have. Below I am presenting to you the top 150 questions from PS forum. | Problem Solving (PS) | | Rank | Title | Topics | | 1 | For which of the following values of n is (100+n)/n NOT an | Difficulty: Sub-600 Level, Arithmetic, Divisibility/Multiples/Factors, Number Properties, Source: Official Guide | | 2 | In the equation above, k is a constant. If y = 17 when x = 2 | Difficulty: Sub-600 Level, Algebra, Source: Official Guide | | 3 | A bakery opened yesterday with its daily supply of 40 dozen | Difficulty: Sub-600 Level, Word Problems, Source: Official Guide | | 4 | If n is an integer, which of the following must be even? | Difficulty: Sub-600 Level, Must or Could be True Questions, Number Properties, Source: Official Guide | | 5 | The price of a coat in a certain store is $500. If the price of the co | Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide | | 6 | If it is assumed that 60 percent of those who receive a questionnaire | Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide | | 7 | The ratio 2 to 1/3 is equal to the ratio | Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide | | 8 | Which of the following is equivalent to the pair of | Difficulty: Sub-600 Level, Inequalities, Source: Official Guide | | 9 | If x = -1, then -(x^4 + x^3 + x^2 + x) = | Difficulty: Sub-600 Level, Algebra, Arithmetic, Source: Official Guide | | 10 | If 2/(1+2/y)=1, then y = | Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide | | 11 | Rectangular Floors X and Y have equal area. If Floor X is 12 | Difficulty: Sub-600 Level, Geometry, Source: Official Guide | | 12 | What number when multiplied by 4/7 yields 6/7 as the result? | Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide | | 13 | The number 2 - 0.5 is how many times the number 1 - 0.5? | Difficulty: Sub-600 Level, Algebra, Source: Official Guide | | 14 | On 3 sales John has received commissions of $240, $80, and $ | Difficulty: Sub-600 Level, Word Problems, Source: Official Guide | | 15 | 150 is what percent of 30 ? | Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide | | 16 | If the population of a certain country increases at the rate | Difficulty: Sub-600 Level, Word Problems, Source: Official Guide | | 17 | If n is a prime number greater than 3, what is the remainder | Difficulty: Sub-600 Level, Remainders, Source: Official Guide | | 18 | 0.1 + 0.1^2 + 0.1^3 = | Difficulty: Sub-600 Level, Arithmetic, Exponents/Powers, Source: Official Guide | | 19 | If n is a prime number greater than 3, what is the remainder | Difficulty: Sub-600 Level, Number Properties, Source: Official Guide | | 20 | Kelly and Chris packed several boxes with books. If Chris | Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide | | 21 | In the figure above, the coordinates of point V are | Difficulty: Sub-600 Level, Coordinate Geometry, Source: Official Guide | | 22 | If m is an integer such that (-2)^2m = 2^{9 - m}, then m= | Difficulty: Sub-600 Level, Exponents/Powers, Source: Official Guide | | 23 | 1/(1+1/3)-1/(1+1/2) | Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide | | 24 | As a salesperson, Phyllis can choose one of two methods of a | Difficulty: Sub-600 Level, Word Problems, Source: Official Guide | | 25 | If Mario was 32 years old 8 years ago, how old was he x year | Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide | | 26 | A fruit-salad mixture consists of apples, peaches, and grape | Difficulty: Sub-600 Level, Word Problems, Source: Official Guide | | 27 | Of the final grades received by the students in a certain | Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide | | 28 | The ratio of the length to the width of a rectangular advert | Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide | | 29 | For which of the following values of s is (50+s)s an integer? | Difficulty: Sub-600 Level, Arithmetic, Number Properties, Source: Veritas Prep | | 30 | The amounts of time that three secretaries worked on a | Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide | | 31 | If 3/x = 2 and y/4 = 3, then (3 + y)/(x + 4) = | Difficulty: Sub-600 Level, Algebra, Source: Official Guide | | 32 | Running at the same rate, 8 identical machines can produce 560 papercl | Difficulty: Sub-600 Level, Work/Rate Problems, Source: Magoosh | | 33 | A rectangular floor that measures 8 meters by 10 meters is to be cover | Difficulty: Sub-600 Level, Geometry, Source: Official Guide | | 34 | In the figure above, what is the ratio of the measure of angle B to | Difficulty: Sub-600 Level, Geometry, Source: Official Guide | | 35 | 1/3 +1/2 - 5/6 + 1/5 + 1/4 - 9/20 = | Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide | | 36 | (1/5)^2 - 1/5*1/4 = | Difficulty: Sub-600 Level, Arithmetic, Fractions/Ratios/Decimals, Source: Official Guide | | 37 | A student's average (arithmetic mean) test score on 4 tests | Difficulty: Sub-600 Level, Statistics and Sets Problems, Source: Official Guide | | 38 | In the Johnsons' monthly budget, the dollar amounts allocate | Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide | | 39 | If 3 - x = 2x - 3, then 4x = | Difficulty: Sub-600 Level, Algebra, Source: Official Guide | | 40 | If x is negative and y is positive, which of the following must be | Difficulty: Sub-600 Level, Number Properties, Source: Princeton Review | | 41 | What is the value of x^2yz − xyz^2, if x = − 2, y = 1, and z = 3? | Difficulty: Sub-600 Level, Algebra, Source: Official Guide | | 42 | Running at the same constant rate, 6 identical machines can | Difficulty: Sub-600 Level, Work/Rate Problems, Source: Official Guide | | 43 | Root(80)+root(125) | Difficulty: Sub-600 Level, Roots, Source: Official Guide | | 44 | If O is the center of the circle above, what fraction of the | Difficulty: Sub-600 Level, Geometry, Source: Official Guide | | 45 | If s > 0 and (r/s)^1/2=s, what what is r in terms of s ? | Difficulty: Sub-600 Level, Algebra, Source: Official Guide | | 46 | 1/(3-1/(3-1/(3-1)))= | Difficulty: Sub-600 Level, Arithmetic, Fractions/Ratios/Decimals, Source: Official Guide | | 47 | Eight identical machines can produce 360 aluminum cans per | Difficulty: Sub-600 Level, Work/Rate Problems, Source: Princeton Review | | 48 | A rectangular garden is to be twice as long as it is wide. | Difficulty: Sub-600 Level, Geometry, Source: Official Guide | | 49 | A gym class can be divided into 8 teams with an equal number | Difficulty: Sub-600 Level, Divisibility/Multiples/Factors, Source: Official Guide | | 50 | (2+2*6^1/2)/2 | Difficulty: Sub-600 Level, Arithmetic, Fractions/Ratios/Decimals, Roots, Source: Official Guide | | 51 | Three business partners, Q, R, and S, agree to divide their | Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Word Problems, Source: Official Guide | | 52 | A technician makes a round-trip to and from a certain service center b | Difficulty: Sub-600 Level, Percents and Interest Problems, Word Problems, Source: Official Guide | | 53 | John is traveling to a meeting that is 28 miles away. He nee | Difficulty: Sub-600 Level, Distance/Rate Problems | | 54 | 1/(0.75-1)= | Difficulty: Sub-600 Level, Arithmetic, Fractions/Ratios/Decimals, Source: Official Guide | | 55 | If Sally can paint a house in 4 hours, and John can paint | Difficulty: Sub-600 Level, Work/Rate Problems | | 56 | If p/q < 1, and p and q are positive integers, which of the | Difficulty: Sub-600 Level, Inequalities, Must or Could be True Questions, Source: Official Guide | | 57 | (1+5^1/2)(1-5^1/2)= | Difficulty: Sub-600 Level, Algebra, Arithmetic, Source: Official Guide | | 58 | If the figure provided is drawn to scale, which of the following point | Difficulty: Sub-600 Level, Absolute Values/Modulus, Source: Grockit | | 59 | If f(x)=3x−√x and g(x)=x^2, what is f(g(4))? | Difficulty: Sub-600 Level, Algebra, Functions and Custom Characters, Source: GMAT Club Tests | | 60 | If f(x)= 5x^3- 2x+8 and g(y)= 6y-4, then g(f(x)) = | Difficulty: Sub-600 Level, Algebra, Functions and Custom Characters, Source: 800 Score | | 61 | A certain builder is selling five homes for the following | Difficulty: Sub-600 Level, Statistics and Sets Problems, Source: GMAT Prep | | 62 | Of the five coordinates associated with points A, B, C, D | Difficulty: Sub-600 Level, Absolute Values/Modulus, Coordinate Geometry, Source: Official Guide | | 63 | If x is an even integer, which of the following is an odd integer? | Difficulty: Sub-600 Level, Number Properties, Source: Other - Please specify | | 64 | If y((3x-5)/2) =y and y#0, then x = | Difficulty: Sub-600 Level, Algebra, Source: Official Guide | | 65 | |-4| (|-20|-|5|)= ? | Difficulty: Sub-600 Level, Absolute Values/Modulus, Arithmetic | | 66 | If x/4 is 2 more than x/8, then x = | Difficulty: Sub-600 Level, Algebra, Source: Official Guide | | 67 | A glucose solution contains 15 grams of glucose per 100 | Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide | | 68 | If the median of the numbers in list I above is equal to the | Difficulty: Sub-600 Level, Must or Could be True Questions, Statistics and Sets Problems, Source: Official Guide | | 69 | The product X of two prime numbers is between 17 and 55. If | Difficulty: Sub-600 Level, Number Properties, Source: GMAT Pill | | 70 | (2 3/5 - 1 2/3)/(2/3 - 3/5) | Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide | | 71 | If x + 5 > 2 and x - 3 < 7, the value of x must be between | Difficulty: Sub-600 Level, Inequalities, Source: Official Guide | | 72 | If (-5)^(4x) = 5^(9 + x) and x is an integer, what is the value of x ? | Difficulty: Sub-600 Level, Exponents/Powers, Source: Grockit | | 73 | What is 3/5 of 5/8 of 2/3? | Difficulty: Sub-600 Level, Arithmetic, Source: Manhattan GMAT | | 74 | The price of a certain television set is discounted by 10 pe | Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide | | 75 | If 60 percent of a rectangular floor is covered by a rectang | Difficulty: Sub-600 Level, Arithmetic, Geometry, Source: Official Guide | | 76 | In a shipment of 120 machine parts, 5 percent were defective | Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide | | 77 | A project scheduled to be carried out over a single fiscal | Difficulty: Sub-600 Level, Word Problems, Source: 800 Score, Source: Official Guide | | 78 | In the xy-plane, what is the slope of the line with equation | Difficulty: Sub-600 Level, Coordinate Geometry, Source: Official Guide | | 79 | In the rectangular coordinate system above, if point R (not | Difficulty: Sub-600 Level, Coordinate Geometry, Geometry, Source: Official Guide | | 80 | Two years ago, Sam put $1,000 into a savings account. | Difficulty: Sub-600 Level, Percents and Interest Problems | | 81 | If n is the product of the integers from 1 to 8, inclusive | Difficulty: Sub-600 Level, Divisibility/Multiples/Factors, Number Properties, Source: Official Guide | | 82 | In Country X a returning tourist may import goods with a tot | Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide | | 83 | If x and y are odd integers, which of the following must always be a | Difficulty: Sub-600 Level, Number Properties, Source: Other - Please specify | | 84 | The sum 7/8+1/9 is between | Difficulty: Sub-600 Level, Arithmetic, Fractions/Ratios/Decimals, Source: Official Guide | | 85 | If a mixture is 3⁄7 alcohol by volume and 4⁄7 water by volume, what is | Difficulty: Sub-600 Level, Mixture Problems, Source: Official Guide | | 86 | If Jake loses 8 pounds, he will weigh twice as much as his | Difficulty: Sub-600 Level, Word Problems, Source: Official Guide | | 87 | The figure above shows a circular flower bed, with its cente | Difficulty: Sub-600 Level, Geometry, Source: Official Guide | | 88 | If n is a positive integer and k + 2 = 3^n, which of the fol | Difficulty: Sub-600 Level, Algebra, Source: Official Guide | | 89 | A rope 40 feet long is cut into two pieces. If one piece is | Difficulty: Sub-600 Level, Arithmetic, Source: 800 Score, Source: Official Guide | | 90 | Sixty percent of the members of a study group are women, and | Difficulty: Sub-600 Level, Probability, Source: Official Guide | | 91 | A committee is composed of w women and m men. If 3 women and | Difficulty: Sub-600 Level, Probability, Source: Official Guide | | 92 | The figure above shows a path around a triangular piece of land. Mary | Difficulty: Sub-600 Level, Geometry, Source: Official Guide | | 93 | For what value of x, is |x – 3| + |x + 1| + |x| = 10? | Difficulty: Sub-600 Level, Absolute Values/Modulus, Source: Economist GMAT Tutor, Source: Veritas Prep | | 94 | In the figure above, the sum of the three numbers in the hor | Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide | | 95 | If |a| = 1/3 and |b| = 2/3, which of the following CANNOT be the resul | Difficulty: Sub-600 Level, Absolute Values/Modulus, Arithmetic, Source: Manhattan GMAT | | 96 | If 1 + 1/x = 2 - 2/x, then x = | Difficulty: Sub-600 Level, Algebra, Source: Official Guide | | 97 | Which of the following must be equal to zero for all real nu | Difficulty: Sub-600 Level, Must or Could be True Questions, Number Properties, Source: Official Guide | | 98 | Makoto, Nishi, and Ozuro were paid a total of $780 for waxing the floo | Difficulty: Sub-600 Level, Algebra, Source: Official Guide | | 99 | The sum of prime numbers that are greater than 60 but less | Difficulty: Sub-600 Level, Number Properties, Source: Official Guide | | 100 | If k^2 = m^2, which of the following must be true? | Difficulty: Sub-600 Level, Absolute Values/Modulus, Source: Official Guide | | 101 | In Township K each property is taxed at 8 percent of its assessed | Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Other - Please specify | | 102 | If x + y = 7 and x – y = 3, then x^2 - y^2 = | Difficulty: Sub-600 Level, Algebra, Source: Manhattan GMAT | | 103 | Company C produces toy trucks at a cost of $5.00 each for the first 10 | Difficulty: Sub-600 Level, Word Problems, Source: Official Guide | | 104 | 1-(1/2-2/3)= | Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide, Source: Princeton Review | | 105 | When p is divided by 9, the remainder is 4. All of the following are | Difficulty: Sub-600 Level, Divisibility/Multiples/Factors, Remainders, Source: Other - Please specify | | 106 | If 105 divides into n with no remainder, which of the following must | Difficulty: Sub-600 Level, Divisibility/Multiples/Factors, Remainders, Source: Other - Please specify | | 107 | If x<0, which of the following represents a positive number? | Difficulty: Sub-600 Level, Absolute Values/Modulus, Source: GMAT Prep EP2 | | 108 | The sum of the weekly salaries of 5 employees is $3,250. If each of th | Difficulty: Sub-600 Level, Percents and Interest Problems, Statistics and Sets Problems, Source: Official Guide | | 109 | Thirty percent of the members of a swim club have passed the | Difficulty: Sub-600 Level, Percents and Interest Problems, Word Problems, Source: Official Guide | | 110 | Jim travels the first 3 hours of his journey at 60 mph speed and the | Difficulty: Sub-600 Level, Distance/Rate Problems, Source: Other - Please specify | | 111 | John has 10 pairs of matched socks. If he loses 7 individual | Difficulty: Sub-600 Level, Min/Max Problems, Source: Official Guide | | 112 | The value of -3-(-10) is how much greater than the value of | Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide | | 113 | An artist wishes to paint a circular region on a square post | Difficulty: Sub-600 Level, Geometry, Source: Official Guide | | 114 | Which of the following equations is NOT equivalent to 4x^2 = y^2 - 9 ? | Difficulty: Sub-600 Level, Algebra, Source: GMAT Prep | | 115 | If 893 × 78 = p, which of the following is equal to 893 × 79? | Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide | | 116 | If the average (arithmetic mean) of x + 2, x + 4, and x + 6 is 0 | Difficulty: Sub-600 Level, Arithmetic, Source: Grockit | | 117 | If x > 7, which of the following is equal to (x^2 + 8x + 16)/(x^2 - 16 | Difficulty: Sub-600 Level, Algebra, Source: Kaplan | | 118 | During a two-week period, the price of an ounce of silver in | Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide | | 119 | What is the value of 10^8 - 6^7? | Difficulty: Sub-600 Level, Arithmetic, Source: Veritas Prep | | 120 | If the remainder is 7 when positive integer n is divided by | Difficulty: Sub-600 Level, Remainders, Source: GMAT Paper Tests | | 121 | In the figure above, if F is a point on the line that bisects angle AC | Difficulty: Sub-600 Level, Geometry, Source: Official Guide | | 122 | At the opening of a trading day at a certain stock exchange, the price | Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide | | 123 | A grocer has 400 pounds of coffee in stock, 20 percent | Difficulty: Sub-600 Level, Mixture Problems, Source: Official Guide | | 124 | On a vacation,Rose exchanged $500.00 for euros at an exchange rate | Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide | | 125 | If Henry were to add 5 gallons of water to a tank that is | Difficulty: Sub-600 Level, Mixture Problems | | 126 | If x + y= 8z, then which of the following represents the ave | Difficulty: Sub-600 Level, Statistics and Sets Problems, Source: Official Guide | | 127 | A student committee that must consists of 5 members is to be formed | Difficulty: Sub-600 Level, Combinations, Source: Manhattan GMAT | | 128 | If y = 2 + 2K and y#0, then 1/y + 1/y + 1/y + 1/y = ? | Difficulty: Sub-600 Level, Number Properties, Source: GMAT Prep EP1 | | 129 | If |a+b|=|a-b|, then a*b must be equal to: | Difficulty: Sub-600 Level, Absolute Values/Modulus, Algebra, Source: Kaplan | | 130 | The annual budget of a certain college is to be shown on a c | Difficulty: Sub-600 Level, Geometry, Source: Official Guide | | 131 | (16 + 16)^1/2 = | Difficulty: Sub-600 Level, Algebra, Roots, Source: Official Guide | | 132 | If the length of an edge of cube X is twice the length of an | Difficulty: Sub-600 Level, Geometry, Source: Official Guide | | 133 | Last week Chris earned x dollars per hour for the first 40 hours worke | Difficulty: Sub-600 Level, Word Problems, Source: Official Guide | | 134 | The average (arithmetic mean) of 6 numbers is 8.5. When one | Difficulty: Sub-600 Level, Statistics and Sets Problems, Source: Official Guide | | 135 | After 4,000 gallons of water were added to a large water tan | Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Word Problems, Source: Official Guide | | 136 | If a basketball team scores an average (arithmetic mean) of x points | Difficulty: Sub-600 Level, Statistics and Sets Problems, Source: Official Guide | | 137 | Points A, B, C, and D, in that order, lie on a line. If AB = 3 cm, AC | Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide | | 138 | ABCD is a parallelogram. BD = 2. The angles of triangle BCD are all eq | Difficulty: Sub-600 Level, Geometry, Source: Other - Please specify | | 139 | Of the following, which is least? | Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide | | 140 | If a quality control check is made inspecting a sample of 2 | Difficulty: Sub-600 Level, Combinations, Source: GMAT Prep | | 141 | Arithmetic mean and standard deviation of a certain normal | Difficulty: Sub-600 Level, Statistics and Sets Problems | | 142 | When Leo imported a certain item, he paid a 7 percent import | Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide | | 143 | The maximum recommended pulse rate R, when exercising, for a | Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide | | 144 | If x = 1- 3t and y = 2t - 1, then for what value of t does x | Difficulty: Sub-600 Level, Algebra, Source: Official Guide | | 145 | Today Rebecca, who is 34 years old, and her daughter, who is 8 years | Difficulty: Sub-600 Level, Word Problems, Source: Official Guide | | 146 | Which of the following represent positive numbers? | Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide | | 147 | If d is the standard deviation x, y, and z, what is the stan | Difficulty: Sub-600 Level, Statistics and Sets Problems, Source: GMAT Prep | | 148 | A certain rectangular window is twice as long as it is wide. | Difficulty: Sub-600 Level, Geometry, Source: Official Guide | | 149 | If xyz < 0 and yz > 0, which of the following must be positi | Difficulty: Sub-600 Level, Inequalities, Must or Could be True Questions | | 150 | In the coordinate plane, what is the distance between points (3, 5) an | Difficulty: Sub-600 Level, Coordinate Geometry, Source: Veritas Prep |
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Re: 150 Hardest and easiest questions for PS [#permalink]
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21 Aug 2015, 05:20
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Re: 150 Hardest and easiest questions for PS [#permalink]
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19 May 2016, 14:46
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I can easily get every question out of the sub 600 list but honestly have no clue how to even approach the 700+ list. Are there questions that fall in-between?
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Re: 150 Hardest and easiest questions for PS [#permalink]
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20 May 2016, 01:53
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Re: 150 Hardest and easiest questions for PS [#permalink]
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20 May 2016, 07:55
Bunuel wrote: hffballer wrote: I can easily get every question out of the sub 600 list but honestly have no clue how to even approach the 700+ list. Are there questions that fall in-between? Check our Questions Bank, where you can find 600-700 level questions. Also, visit our Search Page to filter questions by various categories. Hope it helps. thanks a lot Brunuel. One more question. If i'm aiming for 80th percentile in Quant would i have to get a lot of these questions in your 700 bucket above correct? Want to know if i'm really far away from my target or just getting intimidated by 750+ level questions. Thanks again.
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Re: 150 Hardest and easiest questions for PS [#permalink]
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10 Sep 2016, 09:42
can anyone help me answer this question?
a nickel, a dime and 2 identical quarters are arranged along a side of a table. if the quarters and dime must face heads up, while nickel can face heads up or tails up, how many different arrangemnts of the coins are possible?
what level question is this?
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Re: 150 Hardest and easiest questions for PS [#permalink]
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11 Sep 2016, 03:25
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Re: 150 Hardest and easiest questions for PS [#permalink]
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07 Mar 2018, 23:18
700+ questions a different ball game all together. The more I practice the more it dawns on me that you have to get these 700+ consistently correct to be able to cross the 44 mark in quant.
A long way to go... but thanks for the compilation Bunuel!
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Re: 150 Hardest and easiest questions for PS
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07 Mar 2018, 23:18
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