GMAT Club Forum

769

ER

100 Hardest and easiest questions for DS as of March 2024

Bunuel

19

160557

by: bumpbot

28 Nov 2023, 14:32

1416

ER

DS Question Directory by Topic and Difficulty

Tags: Difficulty: 655-705 Level

bb

0

446329

by: bb

07 Mar 2012, 08:58

250

ER

Two positive integers a and b are divisible by 5, which is their

Tags: Difficulty: 805+ Level, Number Properties

Go to page: 1, 2

EgmatQuantExpert

26

37180

by: Fdambro294

06 Jun 2023, 08:56

216

ER

If a, b, and c are positive integers such that 1/a + 1/b = 1

Tags: Difficulty: 805+ Level, Fractions/Ratios/Decimals, Inequalities

Go to page: 1, 2

monsoon1

26

63052

by: bumpbot

06 Jun 2023, 04:50

135

ER

Is quadrilateral ABCD a rectangle?

Tags: Difficulty: 605-655 Level, Geometry

Go to page: 1, 2

gottabwise

26

40184

by: bumpbot

22 May 2023, 09:22

575

ER

In the figure above, if MNOP is a trapezoid and NOPR is a pa

Tags: Difficulty: 655-705 Level, Geometry

Go to page: 1, 2

roygush

26

101670

by: bumpbot

30 Mar 2023, 09:34

39

ER

Math Revolution and GMAT Club Contest! If a and b are positive integer

Tags: Difficulty: 805+ Level, Divisibility/Multiples/Factors, Number Properties

Go to page: 1, 2

Bunuel

26

6382

by: bumpbot

19 Feb 2023, 00:47

164

ER

What is the greatest common factor of x and y ?

Tags: Difficulty: 555-605 Level, Divisibility/Multiples/Factors, Number Properties

Go to page: 1, 2

maryann

26

31377

by: ScottTargetTestPrep

24 Nov 2022, 22:50

73

ER

Common Mistakes in Geometry Questions - Exercise Question #2

Tags: Difficulty: 705-805 Level, Geometry

Go to page: 1, 2

EgmatQuantExpert

26

17020

by: bumpbot

12 Oct 2022, 05:29

154

ER

In which quadrant of the coordinate plane does the point

Tags: Difficulty: 805+ Level, Absolute Values/Modulus, Coordinate Geometry, Inequalities

Go to page: 1, 2

Bunuel

26

34919

by: bumpbot

17 Sep 2022, 00:15

71

ER

If ABD is a triangle, is triangle ABC a right triangle

Tags: Difficulty: 805+ Level, Geometry

Go to page: 1, 2

joylive

25

15671

by: bumpbot

31 Mar 2024, 21:45

27

ER

Jamboree and GMAT Club Contest: If N = ( 1436)^A*(1054)^B. Where A and

Tags: Difficulty: 555-605 Level, Exponents/Powers

Go to page: 1, 2

Bunuel

25

6330

by: bumpbot

12 Mar 2024, 10:44

238

ER

If S is a set of four numbers w, x, y, and z, is the range of the numb

Tags: Difficulty: 555-605 Level, Statistics and Sets Problems

Go to page: 1, 2

Bunuel

25

32455

by: Steven_Iallonardo

25 Feb 2024, 13:11

380

ER

A box contains 10 light bulbs, fewer than half of which are defective.

Tags: Difficulty: 605-655 Level, Probability

Go to page: 1, 2

marcodonzelli

25

54838

by: pyroabhi

04 Feb 2024, 06:10

363

ER

S is a set of points in the plane. How many distinct triangles can be

Tags: Difficulty: Sub 505 Level, Combinations, Coordinate Geometry

Go to page: 1, 2

GGUY

25

58512

by: bumpbot

25 Jan 2024, 07:37

137

ER

Is (x + 1)/(y + 1) > x/y? (1) 0 < x < y (2) xy > 0

Tags: Difficulty: Sub 505 Level, Inequalities

Go to page: 1, 2

Bunuel

25

34022

by: chetan2u

14 Jan 2024, 22:22

394

ER

If x and y are positive, is x < y?

Tags: Difficulty: 655-705 Level, Inequalities

Go to page: 1, 2

Lettherebelight

25

69603

by: KarishmaB

14 Jan 2024, 03:17

14

ER

If x and y are prime numbers, is y(x-3) odd?

Tags: Difficulty: 655-705 Level, Number Properties

Go to page: 1, 2

bjshukla

25

12287

by: bumpbot

01 Jan 2024, 06:21

248

ER

If 0<x<y, is y-x < 0.00005

Tags: Difficulty: 555-605 Level, Inequalities

Go to page: 1, 2

imhimanshu

25

26794

by: bumpbot

28 Dec 2023, 11:28

278

ER

Circle 1, Circle 2 and Circle 3 have the same center, and have a radiu

Tags: Difficulty: 555-605 Level, Geometry

Go to page: 1, 2

inakihernandez

25

53615

by: bumpbot

16 Dec 2023, 00:56

267

ER

In a group of 80 college students, how many own a car?

Tags: Difficulty: 805+ Level, Overlapping Sets

Go to page: 1, 2

Hussain15

25

29830

by: bumpbot

11 Dec 2023, 22:15

761

ER

Joanna bought only $0.15 stamps and $0.29 stamps. How many $0.15 stamp

Tags: Difficulty: 655-705 Level, Arithmetic, Word Problems

Go to page: 1, 2

udaymathapati

25

83245

by: jaky_nguyen

05 Dec 2023, 02:44

436

ER

What is the average (arithmetic mean) of eleven consecutive

Tags: Difficulty: 505-555 Level, Statistics and Sets Problems

Go to page: 1, 2

zz0vlb

25

84200

by: bumpbot

25 Nov 2023, 07:03

87

ER

What is the value of integer x?

Tags: Difficulty: 655-705 Level, Absolute Values/Modulus

Go to page: 1, 2

jashshah

25

18145

by: bumpbot

04 Nov 2023, 03:52

568

ER

A triangle has side lengths of a, b, and c centimeters. Does each angl

Tags: Difficulty: 705-805 Level, Geometry

Go to page: 1, 2

moonwalking

25

46435

by: bumpbot

29 Oct 2023, 07:41

109

ER

If the area of a parallelogram is 100, what is the perimeter

Tags: Difficulty: 605-655 Level, Geometry

Go to page: 1, 2

I3igDmsu

25

33088

by: bumpbot

26 Oct 2023, 09:34

156

ER

Is |x| + |x -1| = 1? (1) x ≥ 0 (2) x ≤ 1

Tags: Difficulty: 555-605 Level, Absolute Values/Modulus, Inequalities

Go to page: 1, 2

mendelay

25

27114

by: Bunuel

24 Oct 2023, 00:15

577

ER

Of the students who eat in a certain cafeteria, each student either

Tags: Difficulty: 605-655 Level, Overlapping Sets

Go to page: 1, 2

dimitri92

25

115282

by: temog

01 Oct 2023, 22:29

107

ER

If x and y are integers and -x < y < x, does (x^2 - y^2)^(1/2) = x + y

Tags: Difficulty: 805+ Level, Absolute Values/Modulus, Algebra, Coordinate Geometry, Number Properties

Go to page: 1, 2

Bunuel

25

14109

by: bumpbot

04 Sep 2023, 11:28

427

ER

If a and b are positive integers, is a/b < 9/11 ?

Tags: Difficulty: 555-605 Level, Fractions/Ratios/Decimals, Inequalities

Go to page: 1, 2

Bunuel

25

59473

by: Bunuel

19 Aug 2023, 05:47

207

ER

If a and b are two-digit positive integers greater than 10

Tags: Difficulty: 805+ Level, Remainders

Go to page: 1, 2

Bunuel

25

15637

by: bumpbot

02 May 2023, 21:31

263

ER

If k and ℓ are lines in the xy-plane, is the slope of k less than the

Tags: Difficulty: 555-605 Level, Coordinate Geometry

Go to page: 1, 2

Bunuel

25

29059

by: adgarg

17 Apr 2023, 11:06

245

ER

What is the area of rectangular region R?

Tags: Difficulty: 505-555 Level, Geometry

Go to page: 1, 2

Bunuel

25

37239

by: bumpbot

10 Feb 2023, 02:51

27

ER

GMAT Club World Cup 2022 (DAY 9): If k is a positive integer and k has

Tags: Difficulty: 705-805 Level, Divisibility/Multiples/Factors

Go to page: 1, 2

Bunuel

25

2179

by: S1905

22 Jul 2022, 07:23

4

ER

What is the value of x?

Tags: Difficulty: 505-555 Level, Algebra

Go to page: 1, 2

gmatbull

25

5718

by: bumpbot

18 Mar 2022, 07:37

164

ER

P and Q are prime numbers less than 70. What is the units digit of P*Q

Tags: Difficulty: 805+ Level, Number Properties

Go to page: 1, 2

EgmatQuantExpert

24

24004

by: Haffun

08 Mar 2024, 23:35

338

ER

What is the value of 2^x + 2^(-x) ? (1) x < 0 (2) 4^x + 4^(−x) = 23

Tags: Difficulty: 555-605 Level, Exponents/Powers

Go to page: 1, 2

Bunuel

24

32533

by: bumpbot

07 Mar 2024, 11:48

232

ER

If each side of parallelogram P has length 1, what is the area of P ?

Tags: Difficulty: 555-605 Level, Geometry

Go to page: 1, 2

Bunuel

24

31054

by: bumpbot

24 Feb 2024, 06:10

897

ER

In the xy-plane, region R consists of all the points (x, y)

Tags: Difficulty: 805+ Level, Coordinate Geometry, Inequalities

Go to page: 1, 2

metallicafan

24

89104

by: bumpbot

18 Feb 2024, 11:05

528

ER

If x, y and z are positive numbers, is z between x and y?

Tags: Difficulty: 605-655 Level, Inequalities

Go to page: 1, 2

vcbabu

24

100977

by: Bunuel

27 Jan 2024, 09:48

191

ER

The positive integers x, y, and z are such that x is a factor of y and

Tags: Difficulty: 605-655 Level, Divisibility/Multiples/Factors, Number Properties

Go to page: 1, 2

amitgovin

24

55776

by: bumpbot

26 Jan 2024, 23:27

382

ER

Eunice sold several cakes. If each cake sold for either exactly 17 or

Tags: Difficulty: 605-655 Level, Word Problems

Go to page: 1, 2

gmatpapa

24

39963

by: Oppenheimer1945

15 Jan 2024, 08:33

877

ER

If x is an integer, what is the value of x? (1) x^2 - 4x + 3

Tags: Difficulty: 655-705 Level, Inequalities

Go to page: 1, 2

dimitri92

24

90953

by: Oppenheimer1945

29 Dec 2023, 02:25

469

ER

Let S be a set of outcomes and let A and B be events with outcomes in

Tags: Difficulty: 655-705 Level, Probability, Statistics and Sets Problems

Go to page: 1, 2

gmatt1476

24

29074

by: bumpbot

07 Dec 2023, 07:41

48

ER

Is |a| - |b| < |a - b| ? (1) b^a < 0 (2) |b| > |a|

Tags: Difficulty: 805+ Level, Absolute Values/Modulus, Exponents/Powers, Inequalities

Go to page: 1, 2

DHAR

24

11924

by: bumpbot

21 Nov 2023, 23:27

23

ER

GMAT Club World Cup 2022 (DAY 1): Mbappé has two types of sneakers

Tags: Difficulty: 805+ Level, Word Problems

Go to page: 1, 2

Bunuel

24

4139

by: Bunuel

14 Nov 2023, 08:02

117

ER

In cross section, a tunnel that carries one lane of one-way traffic is

Tags: Difficulty: Sub 505 Level, Geometry

Go to page: 1, 2

Bunuel

24

31742

by: bumpbot

14 Nov 2023, 06:49

212

ER

If a, b, c, d and e are integers and p=2^a3^b and q=2^c3

Tags: Difficulty: 555-605 Level, Number Properties

Go to page: 1, 2

enigma123

24

33437

by: bumpbot

13 Nov 2023, 06:48

842

ER

If x, y, and z are three-digit positive integers and if x =

Tags: Difficulty: 605-655 Level, Arithmetic

Go to page: 1, 2

conty911

24

113561

by: ChuckLegLeg

07 Nov 2023, 15:53

200

ER

If x and y are positive integers, what is the value of x^(1/2)+y^(1/2)

Tags: Difficulty: 505-555 Level, Algebra

Go to page: 1, 2

Bunuel

24

63278

by: bumpbot

05 Nov 2023, 07:25

99

ER

A six-sided mosaic contains 24 triangular pieces of tile of the same

Tags: Difficulty: 505-555 Level, Geometry

Go to page: 1, 2

Bunuel

24

26451

by: bumpbot

01 Nov 2023, 05:18

1041

ER

In triangle ABC, point X is the midpoint of side AC and

Tags: Difficulty: 705-805 Level, Geometry

Go to page: 1, 2

yezz

24

103626

by: bumpbot

29 Oct 2023, 10:27

GMAT Data Sufficiency (DS)