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150 Hardest and easiest questions for PS

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150 Hardest and easiest questions for PS [#permalink]

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150 Hardest Problem Solving Questions (Dec 1st, 2017 - Jan 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)
RankTitleTopics
1In the figure, point D divides side BC of triangle ABC into Difficulty: 700-Level, Geometry, Source: Manhattan GMAT
2The sum of four consecutive odd numbers is equal to the sum Difficulty: 700-Level, Sequences
3If two integers are chosen at random out of the set {2, 5, 7, 8}, what Difficulty: 700-Level, Number Properties, Probability, Source: Manhattan GMAT
4During 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
5An isosceles triangle with one angle of 120° is inscribed in Difficulty: 700-Level, Geometry, Source: Manhattan GMAT
6If the product of all the unique positive divisors of n, a p Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties, Source: Manhattan GMAT
7A box contains three pairs of blue gloves and two pairs of Difficulty: 700-Level, Probability, Source: GMAT Club Tests
8If [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
9Arrow AB which is a line segment exactly 5 units along with Difficulty: 700-Level, Coordinate Geometry, Source: Manhattan GMAT
10Daniel is playing a dice game in which a dice is rolled 5 times Difficulty: 700-Level, Probability, Source: Other - Please specify
11The function g(x) is defined for integers x such that if x Difficulty: 700-Level, Algebra, Functions and Custom Characters
12A bus from city M is traveling to city N at a constant speed Difficulty: 700-Level, Distance/Rate Problems, Source: GMAT Club Tests
13Twenty meters of wire is available to fence off a flower bed in the Difficulty: 700-Level, Geometry, Min/Max Problems, Source: Economist GMAT Tutor
14If 10! - 2*(5!)^2 is divisible by 10^n, what is the greatest Difficulty: 700-Level, Algebra, Divisibility/Multiples/Factors, Number Properties
15How many even 3 digit integers greater than 700 with Difficulty: 700-Level, Combinations, Source: Official Guide
16In the x-y plane, point (p, q) is a lattice point if both p Difficulty: 700-Level, Coordinate Geometry, Geometry, Source: Magoosh
17There 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
18An integer between 1 and 300, inclusive, is chosen at random Difficulty: 700-Level, Number Properties, Probability, Source: Manhattan GMAT
19How many numbers that are not divisible by 6 divide evenly Difficulty: 700-Level, Divisibility/Multiples/Factors, Source: Manhattan GMAT
20If 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
21A sequence of numbers (geometric sequence) is given by the Difficulty: 700-Level, Absolute Values/Modulus, Exponents/Powers, Sequences, Source: Grockit
22On a partly cloudy day, Derek decides to walk back from work Difficulty: 700-Level, Distance/Rate Problems, Source: Veritas Prep
23How many values can the integer p=|x+3|-|x-3| assume? Difficulty: 700-Level, Absolute Values/Modulus
24In a certain mathematical activity, we have five cards with five diffe Difficulty: 700-Level, Combinations, Source: Magoosh
25What is the probability of getting a sum of 8 or 14 when Difficulty: 700-Level, Probability
26A list of numbers has six positive integers. Three of those integers Difficulty: 700-Level, Statistics and Sets Problems, Source: Veritas Prep
27A big cube is formed by rearranging the 160 coloured and 56 Difficulty: 700-Level, Geometry, Percents and Interest Problems
28Pipe A can fill a tank in 32 minutes. Pipe B can fill the sa Difficulty: 700-Level, Work/Rate Problems
29In a certain sequence, every term after the first is determi Difficulty: 700-Level, Sequences, Source: Manhattan GMAT
30How many different pairs of integers (a, b) exist such that 2 <= a <= Difficulty: 700-Level, Algebra, Combinations, Inequalities, Source: Manhattan GMAT
31List T consist of 30 positive decimals, none of which is an Difficulty: 700-Level, Min/Max Problems, Source: Official Guide
32If a circle passes through points (9,2*sqrt(3)) Difficulty: 700-Level, Coordinate Geometry, Geometry, Source: Other - Please specify
33A trail mix company keeps costs down by employing the peanuts:cashews: Difficulty: 700-Level, Fractions/Ratios/Decimals, Source: Veritas Prep
34How many different combinations of outcomes can you make by Difficulty: 700-Level, Combinations
35Ms. Barton has four children. You are told correctly that sh Difficulty: 700-Level, Probability, Source: GMAT Prep EP1, Source: Manhattan GMAT
36Pam and Robin each roll a pair of fair, six-sided dice. What is the pr Difficulty: 700-Level, Probability, Source: Veritas Prep
37Let a “2-placer” be a terminating decimal, between 0 and 1, for which Difficulty: 700-Level, Fractions/Ratios/Decimals, Number Properties, Source: Manhattan GMAT
38Darcy, Gina, Ray and Susan will be the only participants at a meeting. Difficulty: 700-Level, Probability, Source: Kaplan
39We 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
40How many integral values of k are possible, if the lines 3x+ Difficulty: 700-Level, Coordinate Geometry
41The elevator in an eleven-story office building travels at Difficulty: 700-Level, Distance/Rate Problems
42A botanist selects n^2 trees on an island and studies (2n + Difficulty: 700-Level, Remainders, Source: Princeton Review
43In the diagram, points A, B, and C are on the diameter of Difficulty: 700-Level, Geometry, Source: Kaplan
44Set S consists of numbers 2, 3, 6, 48, and 164. Number K is Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties, Probability
45How many integers less than 100 have exactly 4 odd factors b Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties
46If integer C is randomly selected from 20 to 99, inclusive. Difficulty: 700-Level, Divisibility/Multiples/Factors, Probability, Source: Manhattan GMAT
47A bag contains 3 red and 2 black ball. Another bag contains 4 red and Difficulty: 700-Level, Probability
48Two kinds of Vodka are mixed in the ratio 1:2 and 2:1 and Difficulty: 700-Level, Mixture Problems
49The figure above shows gas mileage at different speeds for all compact Difficulty: 700-Level, Distance/Rate Problems, Graphs and Illustrations, Source: Other - Please specify
50Points A and B are 120 km apart. A motorcyclist starts from Difficulty: 700-Level, Distance/Rate Problems, Geometry, Source: Manhattan GMAT
51Consider a regular polygon of p sides. The number of values Difficulty: 700-Level, Geometry, Number Properties
52If a and b are distinct integers and a^b = b^a, how many Difficulty: 700-Level, Exponents/Powers, Number Properties, Source: Veritas Prep
53The function p(n) on non-negative integer n is defined in Difficulty: 700-Level, Exponents/Powers, Functions and Custom Characters, Source: Manhattan GMAT
54The positive value of x that satisfies the equation (1 + 2x) Difficulty: 700-Level, Algebra, Exponents/Powers, Source: Manhattan GMAT
55How many 4-digit numbers can be formed by using the digits 0 Difficulty: 700-Level, Combinations
56A set of five positive integers has an arithmetic mean of 150. A parti Difficulty: 700-Level, Number Properties, Source: Veritas Prep
57Random Pack 1, Question 3 Three circles with radii... Difficulty: 700-Level, Geometry, Source: EMPOWERgmat
58A customer using a certain telephone calling plan pays a fee Difficulty: 700-Level, Word Problems, Source: Kaplan
59Louie takes out a three-month loan of $1000. The lender Difficulty: 700-Level, Percents and Interest Problems, Source: Magoosh
60If |12x−5|>|7−6x|, which of the following CANNOT be the Difficulty: 700-Level, Absolute Values/Modulus, Inequalities, Source: Veritas Prep
61Three men A, B and C working together can do a work in 30 da Difficulty: 700-Level, Work/Rate Problems
62In how many ways can 5 different marbles be distributed in 4 Difficulty: 700-Level, Combinations, Source: GMAT Pill
63When the number 777 is divided by the integer N, the remaind Difficulty: 700-Level, Remainders, Source: 800 Score
64A cylindrical tank of radius R and height H must be redesign Difficulty: 700-Level, Geometry, Source: Manhattan GMAT
65Of the three-digit integers greater than 660, how many have Difficulty: 700-Level, Combinations
66For 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
674 individuals arrive separately at an orchestra concert with Difficulty: 700-Level, Probability, Source: Veritas Prep
68A sheet of paper ABDE is a 12-by-18-inch rectangle, as shown in Figure Difficulty: 700-Level, Geometry, Source: Manhattan GMAT
69Brian is analyzing the performance of certain stocks. He finds that Difficulty: 700-Level, Statistics and Sets Problems, Word Problems, Source: Princeton Review
70An escalator moves downward from street level to a subway platform at Difficulty: 700-Level, Arithmetic, Distance/Rate Problems, Source: Other - Please specify
71If a, b are integers, and (a-b)^2 + 8b^2=108, what is the number of th Difficulty: 700-Level, Algebra, Source: Math Revolution
72A man arrives at a railway station 90 minutes before the tim Difficulty: 700-Level, Distance/Rate Problems
73If a is the sum of x consecutive positive integers. b is the Difficulty: 700-Level, Statistics and Sets Problems, Source: Manhattan GMAT
74Jerry and Jim run a race of 2000 m. First, Jerry gives Jim Difficulty: 700-Level, Distance/Rate Problems, Source: GMAT Paper Tests
75How many even integers n, where 100 <= n <= 200, are divisib Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties
76If y = |x + 5|-|x - 5|, then y can take how many integer Difficulty: 700-Level, Absolute Values/Modulus, Source: GMAT Prep
77Baseball's World Series matches 2 teams against each other Difficulty: 700-Level, Probability, Source: Manhattan GMAT
78How many 3-digit integers between 100 and 200 have a digit Difficulty: 700-Level, Combinations, Source: Kaplan
79Brenda and Sally run in opposite direction on a circular tra Difficulty: 700-Level, Distance/Rate Problems
80Pipe A and Pipe B fill water into a tank of capacity 1000 litres at Difficulty: 700-Level, Work/Rate Problems, Source: Other - Please specify
81Suppose a “Secret Pair” number is a four-digit number in which two adj Difficulty: 700-Level, Combinations, Source: Magoosh
82The remainder when N is divided by 18 is 16. Given that N is Difficulty: 700-Level, Remainders
83A cyclist travels the length of a bike path that is 225 Difficulty: 700-Level, Distance/Rate Problems, Inequalities, Source: Manhattan GMAT, Source: PowerPrep
84How many distinct four-digit numbers can be formed by the Difficulty: 700-Level, Combinations, Source: Magoosh
85The number 523abc is divisible by 7,8,9. Then what is the Difficulty: 700-Level, Divisibility/Multiples/Factors
86|x + 3| = |y -4|, where x and y are non-zer Difficulty: 700-Level, Algebra, Inequalities, Min/Max Problems, Source: e-GMAT
87On the number line shown, the distance between 0 and a . . . Difficulty: 700-Level, Absolute Values/Modulus, Algebra, Source: e-GMAT
88Suppose x is an integer such that (x^2−x−1)^(x+2)=1 Difficulty: 700-Level, Algebra, Source: Veritas Prep
89A fair coin is tossed 6 times. What is the probability of getting no Difficulty: 700-Level, Probability
90a, b, c, d are positive integers such that exactly one of Difficulty: 700-Level, Inequalities
91How many triangles with positive area can be drawn on the Difficulty: 700-Level, Coordinate Geometry, Geometry
92How many positive integers less than 1000 are multiples of 5 Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties
93An alloy of copper and aluminum has 40% copper. An alloy of Copper and Difficulty: 700-Level, Mixture Problems, Source: Other - Please specify
94Set A is composed of nine numbers, labeled A1 through A9. Set B is als Difficulty: 700-Level, Statistics and Sets Problems, Source: Manhattan GMAT
95In a village of 100 households, 75 have at least one DVD player, 80 Difficulty: 700-Level, Overlapping Sets, Source: 800 Score, Source: GMAT Prep
96For how many different pairs of positive integers (a, b) can Difficulty: 700-Level, Arithmetic, Source: Manhattan GMAT
97If x is the reciprocal of a positive integer, then the maximum value o Difficulty: 700-Level, Min/Max Problems, Number Properties, Source: Manhattan GMAT
98A bag contains 10 bulbs and 5 torches, out of which 3 bu Difficulty: 700-Level, Probability, Source: e-GMAT
99There are 100 freshmen at a particular college, all of whom Difficulty: 700-Level, Overlapping Sets
100What is the sum of all solutions to the equation x^(2x² + 4x – 6) = x Difficulty: 700-Level, Exponents/Powers, Source: GMATPrepNow
101Of a group of people, 10 play piano, 11 play guitar, 14 play Difficulty: 700-Level, Overlapping Sets, Source: Veritas Prep
102If 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
103There are three secretaries who work for four departments. Difficulty: 700-Level, Combinations, Probability, Source: Kaplan Advanced
104A circle is inscribed in a square with an area of 121 square Difficulty: 700-Level, Combinations, Geometry, Source: 800 Score
105How many different four-letter words can be formed (the words don't Difficulty: 700-Level, Combinations
106A dealer offers a cash discount of 20% and still makes a pro Difficulty: 700-Level, Arithmetic, Percents and Interest Problems
107Ben and Shari have invited three other couples to their apar Difficulty: 700-Level, Combinations, Source: Princeton Review
108A set of consecutive positive integers beginning with 1 is Difficulty: 700-Level, Statistics and Sets Problems
109Allen 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
110If x is any integer from -6 to 2 inclusive, how many Difficulty: 700-Level, Absolute Values/Modulus, Inequalities, Source: GMATPrepNow
111Mike started working at 18 and retires at 60. He spent the first 1/5 Difficulty: 700-Level, Fractions/Ratios/Decimals, Source: Other - Please specify
112Matt is touring a nation in which coins are issued in two am Difficulty: 700-Level, Combinations, Source: Veritas Prep
113What is the last non-zero digit of expression Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties, Source: Other - Please specify
114Ax(y) is an operation that adds 1 to y Difficulty: 700-Level, Functions and Custom Characters
115If x is the smallest positive integer that is not prime and Difficulty: 700-Level, Divisibility/Multiples/Factors, Source: Veritas Prep
116How many 2-inch by 3-inch rectangular tiles are required to tile this Difficulty: 700-Level, Geometry, Source: Other - Please specify
1175 letters have to be put in 5 different envelopes numbered 1 through 5 Difficulty: 700-Level, Probability, Source: Other - Please specify
118A certain company plans to sell Product X for p dollars per Difficulty: 700-Level, Probability
119How many combinations of three letters taken from letters Difficulty: 700-Level, Combinations
120Alan’s regular hourly wage is 1.5 times Barney’s regular Difficulty: 700-Level, Number Properties, Source: Manhattan GMAT
121A mixed doubles tennis game is to be played between two team Difficulty: 700-Level, Combinations
122On planet Simplon, each year has 12 months, each of which Difficulty: 700-Level, Fractions/Ratios/Decimals, Source: Veritas Prep
123At the post office, a letter must go through a sorting process with fo Difficulty: 700-Level, Arithmetic, Fractions/Ratios/Decimals, Word Problems
124A not-so-good clockmaker has four clocks on display in the w Difficulty: 700-Level, Distance/Rate Problems, Source: PowerPrep
125If 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
126How many positive integers less than 10,000 are there in Difficulty: 700-Level, Combinations, Source: Other - Please specify
127Two different primes may be said to “rhyme” Difficulty: 700-Level, Number Properties, Source: Manhattan GMAT
128An ant is clinging to one corner of a box in the shape of a Difficulty: 700-Level, Combinations, Source: Manhattan GMAT
129A cyclist travels the length of a bike path that is 225 Difficulty: 700-Level, Min/Max Problems, Word Problems, Source: Manhattan GMAT
130In a game of chess the moves of whites and blacks alternate Difficulty: 700-Level, Word Problems, Source: GMAT Club Tests
131Set A consists of 2 positive integers, and set B consists Difficulty: 700-Level, Statistics and Sets Problems, Source: GMATPrepNow
132If a three-digit positive integer has its digits reversed, the Difficulty: 700-Level, Arithmetic, Number Properties, Source: GMAT Club Tests
133Theresa is a basketball player practicing her free throws. On her fir Difficulty: 700-Level, Fractions/Ratios/Decimals, Probability, Source: Magoosh
134In the game of Yahtzee, a "full house" occurs when a player Difficulty: 700-Level, Probability, Source: Veritas Prep
135Jane gave Karen a 5 m head start in a 100 race and Jane was Difficulty: 700-Level, Distance/Rate Problems
1367 people (A, B, C, D, E, F and G) go to a movie and sit Difficulty: 700-Level, Combinations, Source: Veritas Prep
1373 cooks have to make 80 burgers.They are known to make 20 Difficulty: 700-Level, Work/Rate Problems
138A man cycling along the road noticed that every 12 minutes Difficulty: 700-Level, Distance/Rate Problems, Source: GMAT Club Tests
139If x+|x|+y=7 and x+|y|-y=6 what is x+y=? Difficulty: 700-Level, Absolute Values/Modulus, Source: Magoosh
140The five sides of a pentagon have lengths of 2, 3, 4, 5 and 6 inches. Difficulty: 700-Level, Combinations, Source: Other - Please specify
141A cylindrical tank with radius 3 meters is filled with a solution. The Difficulty: 700-Level, Geometry
142At a local beach, the ratio of little dogs to average dogs Difficulty: 700-Level, Fractions/Ratios/Decimals, Percents and Interest Problems, Source: Veritas Prep
143If 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
144How many 4 digit numbers are there, if it is known that the Difficulty: 700-Level, Combinations, Source: Economist GMAT Tutor
145The workforce of a certain company comprised exactly 10,500 Difficulty: 700-Level, Word Problems
146In racing over a given distance d at uniform speed, A can be Difficulty: 700-Level, Distance/Rate Problems
147In the coordinate axis above, line segment AC is three times Difficulty: 700-Level, Coordinate Geometry, Source: Princeton Review
148How many three-digit numbers ABC, in which A, B, and C are each digits Difficulty: 700-Level, Number Properties, Source: Veritas Prep
149A square wooden plaque has a square brass inlay in the Difficulty: 700-Level, Geometry, Must or Could be True Questions, Source: Official Guide
150|x+3| - |4-x| = |8+x|. How many solutions does the equation Difficulty: 700-Level, Absolute Values/Modulus

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Re: 150 Hardest and easiest questions for PS [#permalink]

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150 Easiest Problem Solving Questions (Dec 1st, 2017 - Jan 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)
RankTitleTopics
1For 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
2In the equation above, k is a constant. If y = 17 when x = 2 Difficulty: Sub-600 Level, Algebra, Source: Official Guide
3A bakery opened yesterday with its daily supply of 40 dozen Difficulty: Sub-600 Level, Word Problems, Source: Official Guide
4If 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
5The ratio 2 to 1/3 is equal to the ratio Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide
6If it is assumed that 60 percent of those who receive a questionnaire Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide
7The 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
8Which of the following is equivalent to the pair of Difficulty: Sub-600 Level, Inequalities, Source: Official Guide
9Rectangular Floors X and Y have equal area. If Floor X is 12 Difficulty: Sub-600 Level, Geometry, Source: Official Guide
10If x = -1, then -(x^4 + x^3 + x^2 + x) = Difficulty: Sub-600 Level, Algebra, Arithmetic, Source: Official Guide
11If 2/(1+2/y)=1, then y = Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide
120.1+0.1^2+0.1^3= Difficulty: Sub-600 Level, Arithmetic, Exponents/Powers, Source: Official Guide
13The number 2 - 0.5 is how many times the number 1 - 0.5? Difficulty: Sub-600 Level, Algebra, Source: Official Guide
14What number when multiplied by 4/7 yields 6/7 as the result? Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide
15If n is a prime number greater than 3, what is the remainder Difficulty: Sub-600 Level, Remainders, Source: Official Guide
16150 is what percent of 30 ? Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide
17If n is a prime number greater than 3, what is the remainder Difficulty: Sub-600 Level, Number Properties, Source: Official Guide
18On 3 sales John has received commissions of $240, $80, and $ Difficulty: Sub-600 Level, Word Problems, Source: Official Guide
19If the population of a certain country increases at the rate Difficulty: Sub-600 Level, Word Problems, Source: Official Guide
20In the figure above, the coordinates of point V are Difficulty: Sub-600 Level, Coordinate Geometry, Source: Official Guide
21Kelly and Chris packed several boxes with books. If Chris Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide
22If m is an integer such that (-2)^2m = 2^{9 - m}, then m= Difficulty: Sub-600 Level, Exponents/Powers, Source: Official Guide
231/(1+1/3)-1/(1+1/2) Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide
24Of the final grades received by the students in a certain Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide
25The ratio of the length to the width of a rectangular advert Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide
26As a salesperson, Phyllis can choose one of two methods of a Difficulty: Sub-600 Level, Word Problems, Source: Official Guide
27A fruit-salad mixture consists of apples, peaches, and grape Difficulty: Sub-600 Level, Word Problems, Source: Official Guide
28If Mario was 32 years old 8 years ago, how old was he x year Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide
29(1/5)^2 - 1/5*1/4 = Difficulty: Sub-600 Level, Arithmetic, Fractions/Ratios/Decimals, Source: Official Guide
30If 3/x = 2 and y/4 = 3, then (3 + y)/(x + 4) = Difficulty: Sub-600 Level, Algebra, Source: Official Guide
31A rectangular floor that measures 8 meters by 10 meters is to be cover Difficulty: Sub-600 Level, Geometry, Source: Official Guide
32In the figure above, what is the ratio of the measure of angle B to Difficulty: Sub-600 Level, Geometry, Source: Official Guide
33Running at the same constant rate, 6 identical machines can Difficulty: Sub-600 Level, Work/Rate Problems, Source: Official Guide
34A student's average (arithmetic mean) test score on 4 tests Difficulty: Sub-600 Level, Statistics and Sets Problems, Source: Official Guide
351/3 +1/2 - 5/6 + 1/5 + 1/4 - 9/20 = Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide
36For which of the following values of s is (50+s)s an integer? Difficulty: Sub-600 Level, Arithmetic, Number Properties, Source: Veritas Prep
37In the Johnsons' monthly budget, the dollar amounts allocate Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide
38If 3 - x = 2x - 3, then 4x = Difficulty: Sub-600 Level, Algebra, Source: Official Guide
39The amounts of time that three secretaries worked on a Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide
40If O is the center of the circle above, what fraction of the Difficulty: Sub-600 Level, Geometry, Source: Official Guide
41Root(80)+root(125) Difficulty: Sub-600 Level, Roots, Source: Official Guide
42If s > 0 and (r/s)^1/2=s, what what is r in terms of s ? Difficulty: Sub-600 Level, Algebra, Source: Official Guide
43Running at the same rate, 8 identical machines can produce 560 papercl Difficulty: Sub-600 Level, Work/Rate Problems, Source: Magoosh
44If 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
451/(3-1/(3-1/(3-1)))= Difficulty: Sub-600 Level, Arithmetic, Fractions/Ratios/Decimals, Source: Official Guide
46Three business partners, Q, R, and S, agree to divide their Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Word Problems, Source: Official Guide
47A rectangular garden is to be twice as long as it is wide. Difficulty: Sub-600 Level, Geometry, Source: Official Guide
481/(0.75-1)= Difficulty: Sub-600 Level, Arithmetic, Fractions/Ratios/Decimals, Source: Official Guide
49(2+2*6^1/2)/2 Difficulty: Sub-600 Level, Arithmetic, Fractions/Ratios/Decimals, Roots, Source: Official Guide
50John is traveling to a meeting that is 28 miles away. He nee Difficulty: Sub-600 Level, Distance/Rate Problems
51Eight identical machines can produce 360 aluminum cans per Difficulty: Sub-600 Level, Work/Rate Problems, Source: Princeton Review
52If 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
53If 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
54A glucose solution contains 15 grams of glucose per 100 Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide
55If x + 5 > 2 and x - 3 < 7, the value of x must be between Difficulty: Sub-600 Level, Inequalities, Source: Official Guide
56A gym class can be divided into 8 teams with an equal number Difficulty: Sub-600 Level, Divisibility/Multiples/Factors, Source: Official Guide
57If x/4 is 2 more than x/8, then x = Difficulty: Sub-600 Level, Algebra, Source: Official Guide
58(1+5^1/2)(1-5^1/2)= Difficulty: Sub-600 Level, Algebra, Arithmetic, Source: Official Guide
59If x is negative and y is positive, which of the following must be Difficulty: Sub-600 Level, Number Properties, Source: Princeton Review
60|-4| (|-20|-|5|)= ? Difficulty: Sub-600 Level, Absolute Values/Modulus, Arithmetic
61If (-5)^(4x) = 5^(9 + x) and x is an integer, what is the value of x ? Difficulty: Sub-600 Level, Exponents/Powers, Source: Grockit
62If Sally can paint a house in 4 hours, and John can paint Difficulty: Sub-600 Level, Work/Rate Problems
63If y((3x-5)/2) =y and y#0, then x = Difficulty: Sub-600 Level, Algebra, Source: Official Guide
64(2 3/5 - 1 2/3)/(2/3 - 3/5) Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide
65A 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
66Of the five coordinates associated with points A, B, C, D Difficulty: Sub-600 Level, Absolute Values/Modulus, Coordinate Geometry, Source: Official Guide
67If the figure provided is drawn to scale, which of the following point Difficulty: Sub-600 Level, Absolute Values/Modulus, Source: Grockit
68What is the value of x^2yz − xyz^2, if x = − 2, y = 1, and z = 3? Difficulty: Sub-600 Level, Algebra, Source: Official Guide
69The price of a certain television set is discounted by 10 pe Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide
70If x is an even integer, which of the following is an odd integer? Difficulty: Sub-600 Level, Number Properties, Source: Other - Please specify
71The figure above shows a path around a triangular piece of land. Mary Difficulty: Sub-600 Level, Geometry, Source: Official Guide
72If 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
73A project scheduled to be carried out over a single fiscal Difficulty: Sub-600 Level, Word Problems, Source: 800 Score, Source: Official Guide
74In the xy-plane, what is the slope of the line with equation Difficulty: Sub-600 Level, Coordinate Geometry, Source: Official Guide
75The figure above shows a circular flower bed, with its cente Difficulty: Sub-600 Level, Geometry, Source: Official Guide
76In the rectangular coordinate system above, if point R (not Difficulty: Sub-600 Level, Coordinate Geometry, Geometry, Source: Official Guide
77If n is the product of the integers from 1 to 8, inclusive Difficulty: Sub-600 Level, Divisibility/Multiples/Factors, Number Properties, Source: Official Guide
78In Country X a returning tourist may import goods with a tot Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide
79If 60 percent of a rectangular floor is covered by a rectang Difficulty: Sub-600 Level, Arithmetic, Geometry, Source: Official Guide
80Running at the same constant rate, 6 identical machines can Difficulty: Sub-600 Level, Work/Rate Problems, Source: Official Guide
81In a shipment of 120 machine parts, 5 percent were defective Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide
82If n is a positive integer and k + 2 = 3^n, which of the fol Difficulty: Sub-600 Level, Algebra, Source: Official Guide
83The sum 7/8+1/9 is between Difficulty: Sub-600 Level, Arithmetic, Fractions/Ratios/Decimals, Source: Official Guide
84In Township K each property is taxed at 8 percent of its assessed Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Other - Please specify
85The product X of two prime numbers is between 17 and 55. If Difficulty: Sub-600 Level, Number Properties, Source: GMAT Pill
86If Jake loses 8 pounds, he will weigh twice as much as his Difficulty: Sub-600 Level, Word Problems, Source: Official Guide
87A certain builder is selling five homes for the following Difficulty: Sub-600 Level, Statistics and Sets Problems, Source: GMAT Prep
88A rope 40 feet long is cut into two pieces. If one piece is Difficulty: Sub-600 Level, Arithmetic, Source: 800 Score, Source: Official Guide
89A committee is composed of w women and m men. If 3 women and Difficulty: Sub-600 Level, Probability, Source: Official Guide
90Sixty percent of the members of a study group are women, and Difficulty: Sub-600 Level, Probability, Source: Official Guide
91If 1 + 1/x = 2 - 2/x, then x = Difficulty: Sub-600 Level, Algebra, Source: Official Guide
92Two years ago, Sam put $1,000 into a savings account. Difficulty: Sub-600 Level, Percents and Interest Problems
93In the figure above, the sum of the three numbers in the hor Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide
94What is 3/5 of 5/8 of 2/3? Difficulty: Sub-600 Level, Arithmetic, Source: Manhattan GMAT
95For 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
96If 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
97The 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
98The sum of prime numbers that are greater than 60 but less Difficulty: Sub-600 Level, Number Properties, Source: Official Guide
99Which 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
100If |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
101Makoto, Nishi, and Ozuro were paid a total of $780 for waxing the floo Difficulty: Sub-600 Level, Algebra, Source: Official Guide
102If x and y are odd integers, which of the following must always be a Difficulty: Sub-600 Level, Number Properties, Source: Other - Please specify
103Thirty percent of the members of a swim club have passed the Difficulty: Sub-600 Level, Percents and Interest Problems, Word Problems, Source: Official Guide
104In the figure above, if F is a point on the line that bisects angle AC Difficulty: Sub-600 Level, Geometry, Source: Official Guide
105If k^2 = m^2, which of the following must be true? Difficulty: Sub-600 Level, Absolute Values/Modulus, Source: Official Guide
1061-(1/2-2/3)= Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide, Source: Princeton Review
107During a two-week period, the price of an ounce of silver in Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide
108If x + y= 8z, then which of the following represents the ave Difficulty: Sub-600 Level, Statistics and Sets Problems, Source: Official Guide
109If k^2 = m^2, which of the following must be true? Difficulty: Sub-600 Level, Absolute Values/Modulus, Source: Official Guide
110Company C produces toy trucks at a cost of $5.00 each for the first 10 Difficulty: Sub-600 Level, Word Problems, Source: Official Guide
111If a quality control check is made inspecting a sample of 2 Difficulty: Sub-600 Level, Combinations, Source: GMAT Prep
112John has 10 pairs of matched socks. If he loses 7 individual Difficulty: Sub-600 Level, Min/Max Problems, Source: Official Guide
113If 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
114Jim 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
115The value of -3-(-10) is how much greater than the value of Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide
116(16 + 16)^1/2 = Difficulty: Sub-600 Level, Algebra, Roots, Source: Official Guide
117An artist wishes to paint a circular region on a square post Difficulty: Sub-600 Level, Geometry, Source: Official Guide
118The maximum recommended pulse rate R, when exercising, for a Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide
119If 893 × 78 = p, which of the following is equal to 893 × 79? Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide
120If x + y = 7 and x – y = 3, then x^2 - y^2 = Difficulty: Sub-600 Level, Algebra, Source: Manhattan GMAT
121If 105 divides into n with no remainder, which of the following must Difficulty: Sub-600 Level, Divisibility/Multiples/Factors, Remainders, Source: Other - Please specify
122If the remainder is 7 when positive integer n is divided by Difficulty: Sub-600 Level, Remainders, Source: GMAT Paper Tests
12317^3 + 17^4 = Difficulty: Sub-600 Level, Arithmetic, Exponents/Powers, Source: Official Guide
124If a basketball team scores an average (arithmetic mean) of x points Difficulty: Sub-600 Level, Statistics and Sets Problems, Source: Official Guide
125A grocer has 400 pounds of coffee in stock, 20 percent Difficulty: Sub-600 Level, Mixture Problems, Source: Official Guide
126If |a+b|=|a-b|, then a*b must be equal to: Difficulty: Sub-600 Level, Absolute Values/Modulus, Algebra, Source: Kaplan
127A certain fishing boat is chartered by 6 people who are to c Difficulty: Sub-600 Level, Word Problems, Source: Official Guide
128The average (arithmetic mean) of 6 numbers is 8.5. When one Difficulty: Sub-600 Level, Statistics and Sets Problems, Source: Official Guide
129When 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
130In a certain city, 60 percent of the registered voters are Difficulty: Sub-600 Level, Percents and Interest Problems, Source: 800 Score, Source: Official Guide
131If the length of an edge of cube X is twice the length of an Difficulty: Sub-600 Level, Geometry, Source: Official Guide
132If x > 7, which of the following is equal to (x^2 + 8x + 16)/(x^2 - 16 Difficulty: Sub-600 Level, Algebra, Source: Kaplan
133The annual budget of a certain college is to be shown on a c Difficulty: Sub-600 Level, Geometry, Source: Official Guide
134If x<0, which of the following represents a positive number? Difficulty: Sub-600 Level, Absolute Values/Modulus, Source: GMAT Prep EP2
135On a vacation,Rose exchanged $500.00 for euros at an exchange rate Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide
136If Henry were to add 5 gallons of water to a tank that is Difficulty: Sub-600 Level, Mixture Problems
137There are 4 more women than men on Centerville’s board of Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide
138If 25 percent of p is equal to 10 percent of q, and pq#0, th Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide
139When Leo imported a certain item, he paid a 7 percent import Difficulty: Sub-600 Level, Percents and Interest Problems, Source: Official Guide
140If x = 1- 3t and y = 2t - 1, then for what value of t does x Difficulty: Sub-600 Level, Algebra, Source: Official Guide
141After 4,000 gallons of water were added to a large water tan Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Word Problems, Source: Official Guide
142Machine A produces 100 parts twice as fast as Machine B does Difficulty: Sub-600 Level, Work/Rate Problems, Source: Official Guide
143Which of the following represent positive numbers? Difficulty: Sub-600 Level, Arithmetic, Source: Official Guide
144Arithmetic mean and standard deviation of a certain normal Difficulty: Sub-600 Level, Statistics and Sets Problems
145Which of the following equations is NOT equivalent to 4x^2 = y^2 - 9 ? Difficulty: Sub-600 Level, Algebra, Source: GMAT Prep
146ABCD is a parallelogram. BD = 2. The angles of triangle BCD are all eq Difficulty: Sub-600 Level, Geometry, Source: Other - Please specify
147Of the following, which is least? Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Source: Official Guide
148Three printing presses, R, S, and T, working together at the Difficulty: Sub-600 Level, Work/Rate Problems, Source: Official Guide
149If m^(-1) = -1/3 then m^(-2) is equal to Difficulty: Sub-600 Level, Exponents/Powers, Source: Official Guide
150Members of a social club met to address 280 newsletters. If Difficulty: Sub-600 Level, Fractions/Ratios/Decimals, Word Problems, Source: Official Guide

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Re: 150 Hardest and easiest questions for PS [#permalink]

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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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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.
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New to the Math Forum?
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Resources:
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Collection of Questions:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


What are GMAT Club Tests?
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Re: 150 Hardest and easiest questions for PS [#permalink]

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New post 20 May 2016, 06:55
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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New post 10 Sep 2016, 08:42
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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geetgmat wrote:
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?


Discussed here: a-nickel-a-dime-and-2-identical-quarters-are-arranged-59417.html

PLEASE READ AND FOLLOW: rules-for-posting-please-read-this-before-posting-133935.html
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Collection of Questions:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


What are GMAT Club Tests?
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