The Hardest Problem Solving Questions Posted in 2019In descending order.987|

http://gmatclub.com/forum/topic-290107.html |In an investigation, it was found that 20% of the employees who are vu

964|

http://gmatclub.com/forum/topic-301053.html |Tap A can fill a tank in 10 hours, tap B can fill it in 20 hours, and,

964|

http://gmatclub.com/forum/topic-309586.html |How many different pairs of positive integers (a, b) satisfy the equat

959|

http://gmatclub.com/forum/topic-292454.html |Last year Isabella took 7 math tests and received 7 different scores,

940|

http://gmatclub.com/forum/topic-292205.html |Let a, b, c, d, and e be positive integers with a + b + c + d + e = 20

932|

http://gmatclub.com/forum/topic-287768.html |Question of the week - 34 (A, B and C are three distinct ............)

931|

http://gmatclub.com/forum/topic-305915.html |If Whitney wrote the decimal representations for the first 300 positiv

918|

http://gmatclub.com/forum/topic-291359.html |Cassandra sets her watch to the correct time at noon. At the actual ti

911|

http://gmatclub.com/forum/topic-292239.html |What is the number of roots of the equation (x^2-5x+5)^{(x^2-5x-6)}=1?

908|

http://gmatclub.com/forum/topic-294028.html |A square in the coordinate plane has vertices whose y-coordinates are

898|

http://gmatclub.com/forum/topic-305853.html |Let n and k be positive integers with k n. From an n n array of do

888|

http://gmatclub.com/forum/topic-295443.html |A quadrilateral is inscribed in a circle of radius 200*2^(1/2). Three

878|

http://gmatclub.com/forum/topic-295572.html |If two integers are chosen at random out of first 5 positive integers,

877|

http://gmatclub.com/forum/topic-312047.html |A point is randomly chosen inside the unit square ABCD such that angle

876|

http://gmatclub.com/forum/topic-285661.html |Question of the week - 30 (A group of 4 persons is to be selected ...)

876|

http://gmatclub.com/forum/topic-289596.html |An airline has two daily one-way flights operating from Istanbul

869|

http://gmatclub.com/forum/topic-309596.html |The GDP of a country is $13.8 billion, and the total production of one

851|

http://gmatclub.com/forum/topic-305873.html |The surface distance between 2 points on the surface of a cube is the

849|

http://gmatclub.com/forum/topic-300011.html |If n is a positive integer less than 400, what is the number of n such

846|

http://gmatclub.com/forum/topic-304475.html |Find the number of solutions of following equation-: ||x|-6|=2^x

845|

http://gmatclub.com/forum/topic-289919.html |A painting 4.5 ft X 1.4 ft is to be bordered with a 3 inches wide wood

841|

http://gmatclub.com/forum/topic-292202.html |Let n be the smallest positive integer such that n is divisible by 20,

840|

http://gmatclub.com/forum/topic-291154.html |How many ordered pairs of real numbers (x,y) satisfy the following sys

836|

http://gmatclub.com/forum/topic-290322.html |W, X, Y and Z are four different positive integers. When X

831|

http://gmatclub.com/forum/topic-293196.html |Question of the Week - 43 (While working individually, each of A, B)

The Hardest Data Sufficiency Questions Posted in 2019In descending order.986|

http://gmatclub.com/forum/topic-285518.html |If x and y are non zero numbers less than 1, is (y^4 x^4) > (y^3 x

934|

http://gmatclub.com/forum/topic-305512.html |b, c, d, e, f and g are different positive integers. When b is divided

919|

http://gmatclub.com/forum/topic-291159.html |Is d greater than or equal to 0? 1). d is the median of d, 1/d, -d 2).

894|

http://gmatclub.com/forum/topic-305945.html |Merle's spare change jar has exactly 16 U.S. coins, each of which is a

876|

http://gmatclub.com/forum/topic-298493.html |Question of the week - 45(If A, B, C are three consecutive even .....)

876|

http://gmatclub.com/forum/topic-295218.html |Among the respondents of a survey, one-fourth do not like to watch

848|

http://gmatclub.com/forum/topic-310090.html |If a and b are non-zero single digit integers such that a^b = 1, what

837|

http://gmatclub.com/forum/topic-307200.html |The above equations define how the function f varies with x. Is 0.9 <

835|

http://gmatclub.com/forum/topic-296424.html |In the xy-plane line k passes through the origin. Is the slope of line

816|

http://gmatclub.com/forum/topic-294336.html |A pentagon with 5 sides of equal length and 5 interior angles of equal

801|

http://gmatclub.com/forum/topic-299724.html |In the x-y plane, region S is defined by x 0, y 0 and 3y -5x 15.

795|

http://gmatclub.com/forum/topic-305935.html |Each of the five divisions of a certain company sent representatives

794|

http://gmatclub.com/forum/topic-293940.html |Seven water stations were set up at equal intervals along the 42-

794|

http://gmatclub.com/forum/topic-307207.html |If the sum of the rows and columns of the table are equal, then what i

793|

http://gmatclub.com/forum/topic-293464.html |Is k < 0? (1) |2k + 5| = 3k + 1 (2) |k - 2| = 7k

792|

http://gmatclub.com/forum/topic-298800.html |Will at least three identical cubes fit inside a cylindrical shipping

789|

http://gmatclub.com/forum/topic-299949.html |What is 4x^2 ? (1) |2x 2| + |2x + 2| = 4 (2) |3x 1| + |3x + 1| = 6

786|

http://gmatclub.com/forum/topic-312141.html |Every member of a local chess club is assigned one of two skill levels

783|

http://gmatclub.com/forum/topic-296750.html |Set P consists of the first n positive multiples of 3 and set Q consis

779|

http://gmatclub.com/forum/topic-285819.html |The product of 3 consecutive positive even integers x+1, x+3 and x+5

778|

http://gmatclub.com/forum/topic-295493.html |Kunal takes a days to complete a work while Sandeep takes b less d

777|

http://gmatclub.com/forum/topic-293729.html |If a and b are non -zero distinct integers, what is the value of a + b

776|

http://gmatclub.com/forum/topic-295553.html |'abc' is a 3 digit natural number such that 'abc' = a^3 + b^3 + c^3

774|

http://gmatclub.com/forum/topic-305984.html |Given a positive number N, when N is rounded by a certain method (for

767|

http://gmatclub.com/forum/topic-288811.html |If ab >0, is (ab)^2 < (ab)^(1/2) ?

The Best Problem Solving Discussions Posted In 2019* Numbers before links indicate the number of Kudos and Bookmarks received by the post in 2019.123|

http://gmatclub.com/forum/topic-299663.html |Which of the following function follows the rule: f(a + b) = f(a)*f(b)

113|

http://gmatclub.com/forum/topic-299896.html |What portion of the set of unique factors of the product of 24 and 385

105|

http://gmatclub.com/forum/topic-299102.html |Line K is tangent to the circle with center (0, 0) at (-3, y) such tha

104|

http://gmatclub.com/forum/topic-299185.html |What is the digit on the units place in the expanded value of 97^275

104|

http://gmatclub.com/forum/topic-299282.html |How many different values of y satisfy |y + 3| = |8 + y| + |4 - y| ?

103|

http://gmatclub.com/forum/topic-299470.html |If the 6 letters in the word NEEDED are randomly rearranged, what is

100|

http://gmatclub.com/forum/topic-301110.html |If A + B = C, A + D = B, 2C = 3D and A, B, C, and D are positive integ

94|

http://gmatclub.com/forum/topic-301113.html |Luis spent a certain amount of money in a supermarket. He spent a thir

93|

http://gmatclub.com/forum/topic-300329.html |A pack of fruits has 100 units and its total cost is $117.5. If 17% of

89|

http://gmatclub.com/forum/topic-301111.html |A store sells apples in pack of 6, 9, or 20. By ordering 2 packs of 6

88|

http://gmatclub.com/forum/topic-294397.html |Of three persons, two take relish, two take pepper, and two take salt.

84|

http://gmatclub.com/forum/topic-300783.html |A palindrome is a number that reads the same forward and backward. For

84|

http://gmatclub.com/forum/topic-299373.html |If x is an odd integer and y = x(x+1)(x-1), which of the following mus

84|

http://gmatclub.com/forum/topic-300483.html |For every positive integer x, f(x) represents the greatest prime fact

83|

http://gmatclub.com/forum/topic-294280.html |In the floor plan of an executive's beach house above, the north and

83|

http://gmatclub.com/forum/topic-300584.html |What is the remainder when (25^99 x 4^99)^99 is divided by 11?

81|

http://gmatclub.com/forum/topic-300248.html |How many even divisors of 1600 are not multiples of 16?

80|

http://gmatclub.com/forum/topic-300858.html |What is the tens digit of 7^241?

80|

http://gmatclub.com/forum/topic-299715.html |Several teams competed in a mathematical Olympiad. Each team sent thre

79|

http://gmatclub.com/forum/topic-300416.html |A movie theatre rewards its loyal customers by offering them discounts

76|

http://gmatclub.com/forum/topic-301057.html |Which of the following COULD be correct?

76|

http://gmatclub.com/forum/topic-300484.html |Positive integer N has exactly 12 unique factors. What is the largest

75|

http://gmatclub.com/forum/topic-300585.html |Which of the following fractions will lead to a terminating decimal?

75|

http://gmatclub.com/forum/topic-300971.html |Which of the following is always true?

74|

http://gmatclub.com/forum/topic-301053.html |Tap A can fill a tank in 10 hours, tap B can fill it in 20 hours, and,

The Best Data Sufficiency Discussions Posted In 2019106|

http://gmatclub.com/forum/topic-294336.html |A pentagon with 5 sides of equal length and 5 interior angles of equal

98|

http://gmatclub.com/forum/topic-299894.html |If Mary and Sue enter a 750 meter swimming competition in which Mary g

91|

http://gmatclub.com/forum/topic-299665.html |What is range of the six positive integers: 1, p, 12, q, 15, r?

90|

http://gmatclub.com/forum/topic-300967.html |Set A consists of 5 different integers. If 1 is the least number in th

89|

http://gmatclub.com/forum/topic-299186.html |What is the area of triangle ABC above, with side lengths x,y, and z?

87|

http://gmatclub.com/forum/topic-300325.html |A maritime shipping company sends out at least 1 ship ship every day.

82|

http://gmatclub.com/forum/topic-300785.html |In the diagram above, triangle WXY intersects rectangle JKLM at points

82|

http://gmatclub.com/forum/topic-300968.html |If n is a positive integer, is 169 a factor of n?

81|

http://gmatclub.com/forum/topic-299103.html |If cb < ab < 0, is |c - a| = |c| - |a|?

80|

http://gmatclub.com/forum/topic-300859.html |If xy^2z^3 < 0, is xyz>0? (1) y < 0 (2) x < 0

80|

http://gmatclub.com/forum/topic-300244.html |A certain customer at a health food store purchased organic bananas at

79|

http://gmatclub.com/forum/topic-299796.html |Of the 600 students in a class, each French speaker also speaks German

79|

http://gmatclub.com/forum/topic-300418.html |What is the remainder when X is divided by 40?

79|

http://gmatclub.com/forum/topic-300583.html |What is the highest common factor of three positive integers X, Y, and

77|

http://gmatclub.com/forum/topic-299467.html |What is the highest power of 3 in the value of X! ?

76|

http://gmatclub.com/forum/topic-300008.html |If |x| = |y|, x + y = ? (1) x - y = 4 (2) x/y = -1

75|

http://gmatclub.com/forum/topic-299717.html |If the positive integer x has 8 positive factors, what is the value of

70|

http://gmatclub.com/forum/topic-299281.html |If xy > 0, is y/x + x/y > 2?

69|

http://gmatclub.com/forum/topic-299377.html |In a sprint race, a man has to run two distances, D1 and D2, to comple

64|

http://gmatclub.com/forum/topic-300485.html |40% of the dogs at a certain animal shelter have been microchipped. Ho

60|

http://gmatclub.com/forum/topic-300860.html |A certain building has only 2-room and 3-room apartments to rent. If

56|

http://gmatclub.com/forum/topic-288716.html |Is |a-c| + |a| = |c|?

50|

http://gmatclub.com/forum/topic-299378.html |If t, p, and q are different positive integers, how many positive inte

43|

http://gmatclub.com/forum/topic-294318.html |Is the point Q on the circle with center C ?

42|

http://gmatclub.com/forum/topic-294340.html |A rectangular solid has length, width, and height of L cm, W cm, and H

The Best Main Math Forum Discussions Posted In 201993|

http://gmatclub.com/forum/topic-309579.html |Are You Up For The Challenge?

56|

http://gmatclub.com/forum/topic-308725.html |ALL QUANTITATIVE GMAT PREP QUESTIONS (LINKS TO ALL 825 QUESTIONS)

51|

http://gmatclub.com/forum/topic-293854.html |

The Official Guide for GMAT Quantitative Review 2020

41|

http://gmatclub.com/forum/topic-287528.html |Percentage increase/decrease- WHAT should be the denominator??

29|

http://gmatclub.com/forum/topic-287181.html |Best Of The Best Of 2018: QUANTITATIVE

17|

http://gmatclub.com/forum/topic-311692.html |GMATBusters' GMAT Quant Quiz 2.0

16|

http://gmatclub.com/forum/topic-290943.html |GMAT Quant DS - 3 Mistakes Students Make in Number Properties Question

11|

http://gmatclub.com/forum/topic-287890.html |Formulas for Consecutive, Even, Odd Integers

10|

http://gmatclub.com/forum/topic-287924.html |The Units Digits of Big Powers

8|

http://gmatclub.com/forum/topic-286912.html |Data Sufficiency: different answers but both correct

8|

http://gmatclub.com/forum/topic-295911.html |

Veritas Prep Cat's offer

6|

http://gmatclub.com/forum/topic-295394.html |Timing Strategies for Quantitative Section

6|

http://gmatclub.com/forum/topic-310026.html |GMAT quant Speed

6|

http://gmatclub.com/forum/topic-293172.html |Quant study plan for someone weak in MATH

6|

http://gmatclub.com/forum/topic-290991.html |Using Remainder Theorem- Binomial Expression

6|

http://gmatclub.com/forum/topic-292656.html |Need Help getting to 47 Q

5|

http://gmatclub.com/forum/topic-303168.html |Kinshook's quant questions

5|

http://gmatclub.com/forum/topic-300152.html |Inequalities and Absolute Value

5|

http://gmatclub.com/forum/topic-299755.html |Properties of Quadrilaterals

5|

http://gmatclub.com/forum/topic-295781.html |Prime Numbers Properties & Applications

4|

http://gmatclub.com/forum/topic-299536.html |What is next after

OG?

4|

http://gmatclub.com/forum/topic-311111.html |Best way to track my quant progress?

4|

http://gmatclub.com/forum/topic-298042.html |DS: QUadratic: Is this question's answer wrong in the prep book?

4|

http://gmatclub.com/forum/topic-295151.html |Difference between two symmetric combinatoric questions?

4|

http://gmatclub.com/forum/topic-298362.html |Here is a document containing 700-800 level quant questions Hope this

Who To Follow In Quantitative Forums And Their Two Best Posts In 2019*Number in front of username indicates the total number of Kudos accumulated by the user in Quantitative forums in 2019.8845|

Bunuel |

79|

http://gmatclub.com/forum/p2266048 |A pentagon with 5 sides of equal length and 5 interior angles of equal

66|

http://gmatclub.com/forum/p2395227 |Are You Up For The Challenge?

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1391

nick181622|

http://gmatclub.com/forum/p2299107 |If |x|-|y|=13, then which of the following can't be the value of x-y?

14|

http://gmatclub.com/forum/p2272297 |How many ordered pairs of positive integers (m,n) satisfy

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1097

chetan2u 41|

http://gmatclub.com/forum/p2216782 |Percentage increase/decrease- WHAT should be the denominator??

9|

http://gmatclub.com/forum/p2363082 |Re: In the figure above, X and Y represent locations in a district of a ce

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1037

Dillesh4096 26|

http://gmatclub.com/forum/p2304653 |How many different values of y satisfy |y + 3| = |8 + y| + |4 - y| ?

16|

http://gmatclub.com/forum/p2316268 |In a rhombus ABCD, AC = 3 units and angle ABC = 120. What is the area

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1035

Archit31109|http://gmatclub.com/forum/p2274831|Re: How many positive integers less than or equal to 2017 contain the digi

7|http://gmatclub.com/forum/p2216809|Re: The vessels contain water and milk in the ratio 1:2 and 2:5 are mixed

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803

ScottTargetTestPrep8

http://gmatclub.com/forum/p2230765 |Re: In how many ways can 10 identical tyres be distributed by the supplier

8

http://gmatclub.com/forum/p2272352 |Re: A company produces a certain toy in only 2 sizes, small or large, and

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772

GMATPrepNow23|

http://gmatclub.com/forum/p2360103 |b, c, d, e, f and g are different positive integers. When b is divided

14|

http://gmatclub.com/forum/p2267098 |Re: If 2.00X and 3.00Y are 2 numbers in decimal form with thousandths digi

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746

gmatt1476 47|

http://gmatclub.com/forum/p2363472 |The difference 942 249 is a positive multiple of 7. If a, b, and c a

38|

http://gmatclub.com/forum/p2363471 |If Whitney wrote the decimal representations for the first 300 positiv

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722

MathRevolution 12|

http://gmatclub.com/forum/p2299213 |What is the average (arithmetic mean) of all 5-digit numbers that can

12|

http://gmatclub.com/forum/p2335544 |A swimming pool is full of water. Pump A takes 6 hours to empty the po

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659

Kinshook 23|

http://gmatclub.com/forum/p2308184 |How many integer values of x satisfy the equation |x-3|+|x-5|<|x-11| ?

16|

http://gmatclub.com/forum/p2309206 |How many integer values of x satisfy the equation |x-3|+|x-20|<17?

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638

kiran120680 21|

http://gmatclub.com/forum/p2285269 |A quadratic equation is in the form of x^22px + m = 0, where m is

17|

http://gmatclub.com/forum/p2272210 |If Line A and Line B are parallel to each other and 7 points are

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624

SajjadAhmad 70|

http://gmatclub.com/forum/p2326661 |Patterns among those who have scored 750+

9|

http://gmatclub.com/forum/p2373585 |The above equations define how the function f varies with x. Is 0.9 <

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476

EgmatQuantExpert 17|

http://gmatclub.com/forum/p2201522 |Question of the week - 30 (A group of 4 persons is to be selected ...)

14|

http://gmatclub.com/forum/p2243217 |GMAT Quant DS - 3 Mistakes Students Make in Number Properties Question

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437

VeritasKarishma 9|

http://gmatclub.com/forum/p2312241 |Re: To a solution having milk and water in the ratio 2 : 3, 15 lts of wate

8|

http://gmatclub.com/forum/p2222856 |A distance of 600 km is to be covered using both Train & Bus.

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421

firas92 13|

http://gmatclub.com/forum/p2297776 |Find the number of ways in which 5 men can watch 4 movies

13|

http://gmatclub.com/forum/p2287551 |There is a 7 7 chessboard. Two squares are chosen at random. What is

The Best Integrated Reasoning Discussions Posted In 2019* Numbers before links indicate the number of Kudos and Bookmarks received by the post in 2019.41|

http://gmatclub.com/forum/topic-306846.html |Project IR Butler 2019-20 - Get one IR Question Everyday

11|

http://gmatclub.com/forum/topic-310642.html |GMAT Prep IR Directory Get all official IR questions at one place.

7|

http://gmatclub.com/forum/topic-306848.html |Refer to the pictograph of a survey of students at Central Community

4|

http://gmatclub.com/forum/topic-298788.html |At the end of last semester all 33 students (11 from each of 3 section

3|

http://gmatclub.com/forum/topic-313093.html |Logic games to IR?

3|

http://gmatclub.com/forum/topic-305860.html |The recent finding that our school's water system has been contaminate

2|

http://gmatclub.com/forum/topic-302149.html |Of the 20 members in a local group of Mensa International, 40% are phi

2|

http://gmatclub.com/forum/topic-312121.html |An apple farm installed a fish pond on its land to save money and

2|

http://gmatclub.com/forum/topic-313149.html |For the three distinct numbers 1, x, and y, the difference y 1 is on

2|

http://gmatclub.com/forum/topic-311141.html |How do You study IR part?

2|

http://gmatclub.com/forum/topic-302070.html |Two brothers were talking about how the older they get, the less

2|

http://gmatclub.com/forum/topic-310587.html |Ziptrac commuter trains carry passengers between the three cities of A

2|

http://gmatclub.com/forum/topic-313289.html |In a Dance Reality Show Dancing with the Stars, there are 10 celeb

2|

http://gmatclub.com/forum/topic-312868.html |Projects Mercury, Gemini, and Apollo were the first three crewed space

2|

http://gmatclub.com/forum/topic-307047.html |The graphic provides data on world ethanol and biodiesel production,

2|

http://gmatclub.com/forum/topic-312015.html |Two water storage tanks, Tank A and Tank B, can each hold more than 20

2|

http://gmatclub.com/forum/topic-302148.html |A certain snail can travel at a rate of 1 millimeter per second. A

2|

http://gmatclub.com/forum/topic-305531.html |Island Museum analyzes historical artifacts using one or more techniqu

2|

http://gmatclub.com/forum/topic-312265.html |The table below displays data from the different divisions of Company

2|

http://gmatclub.com/forum/topic-303015.html |Two companies are competing with one another for a contract to provide

1|

http://gmatclub.com/forum/topic-312941.html |The graph indicates the percentage of land used for agricultural purpo

1|

http://gmatclub.com/forum/topic-293848.html |IR

MGMAT 5th vs 6th Edition

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http://gmatclub.com/forum/topic-313152.html |Two siblings, P and Q, worked together to steal cookies from their par

1|

http://gmatclub.com/forum/topic-313009.html |At the end of each of seven years, a small chain of health clubs repor

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http://gmatclub.com/forum/topic-313150.html |For his astronomy project, Brandon researched the weather patterns of

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