GMAT Club Forum

ER

100 Hardest and easiest questions for DS as of April

Bunuel

21 Aug 2015, 03:42

774

19

162,050

by: bumpbot

28 Nov 2023, 14:32

ER

DS Question Directory by Topic and Difficulty

655-705 Level

655-705 Level hide tags

bb

07 Mar 2012, 08:58

1,419

0

448,156

by: bb

07 Mar 2012, 08:58

ER

Is x a prime number, given that x is a positive

605-655 Level | Exponents, Inequalities

605-655 Level | Exponents, Inequalities hide tags

Bunuel

17 Jan 2020, 02:44

5

4

5,512

by: Tonkotsu

26 Dec 2020, 18:38

ER

If Runner A followed Runner B down a portion of track

505-555 Level | Distance Problems

505-555 Level | Distance Problems hide tags

Bunuel

14 Aug 2019, 01:31

6

4

9,987

by: bumpbot

26 Dec 2020, 09:27

ER

In the rectangular co-ordinate system above, is the

555-605 Level | Coordinate Geometry, Geometry

555-605 Level | Coordinate Geometry, Geometry hide tags

Hoozan

25 Dec 2020, 01:56

1

905

by: BrushMyQuant

26 Dec 2020, 00:00

ER

If n is a three-digit positive integer, is n divisible

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Russ19

25 Dec 2020, 13:43

1

824

by: BrushMyQuant

25 Dec 2020, 23:32

Is the Perimeter of square S greater than the

705-805 Level | Algebra +2 tags

705-805 Level | Algebra, Geometry, Inequalities hide tags

Hoozan

25 Dec 2020, 02:30

2

1

1,271

by: hunter2000

25 Dec 2020, 10:10

ER

What is the ratio of a to b to c ?

Sub 505 Level | Algebra, Fractions/Ratios/Decimals

Sub 505 Level | Algebra, Fractions/Ratios/Decimals hide tags

Rock750

28 Apr 2013, 12:05

10

18

8,509

by: bumpbot

25 Dec 2020, 01:15

ER

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

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

Bunuel

13 Jan 2017, 09:00

2

3

1,472

by: bumpbot

24 Dec 2020, 16:23

ER

If m is a three-digit positive integer, what is the

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

03 Nov 2016, 05:06

1

7

2,261

by: bumpbot

24 Dec 2020, 14:52

ER

What is the value of k ? (1) m/k = 0.25 (2) (m +

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

23 Dec 2020, 12:12

3

1,188

by: rocky620

24 Dec 2020, 07:57

ER

If m and n are positive integers, what is the units

655-705 Level | Divisibility/Multiples/Factors, Exponents

655-705 Level | Divisibility/Multiples/Factors, Exponents hide tags

Bunuel

23 Dec 2020, 01:15

3

5

1,310

by: rocky620

24 Dec 2020, 06:45

ER

Leo invested a certain amount of money for one year.

Poor Quality

Poor Quality hide tags

mitko20m

15 Jul 2016, 13:54

31

9

14,858

by: Bunuel

24 Dec 2020, 00:12

ER

If x and y are positive integers, is the following

Poor Quality

Poor Quality hide tags

solarzj

09 Jun 2012, 07:22

27

5

9,442

by: harshilNori

24 Dec 2020, 00:09

ER

If –5 < k < 5, is k > 2 ? (1) (k – 1)(k

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

Bunuel

14 Mar 2017, 03:05

10

6

2,378

by: MHIKER

23 Dec 2020, 14:20

ER

Is the prime number q equal to 29 ?

805+ Level | Divisibility/Multiples/Factors, Number Properties

805+ Level | Divisibility/Multiples/Factors, Number Properties hide tags

Bunuel

25 Dec 2017, 05:42

11

5

2,305

by: Bibah

23 Dec 2020, 10:43

ER

An empty swimming pool with a capacity of 100,000

555-605 Level | Work Problems

555-605 Level | Work Problems hide tags

bipolarbear

14 Aug 2009, 21:08

13

11

9,083

by: KarishmaB

23 Dec 2020, 00:43

ER

If k is a nonzero integer, is (47-k)/k an integer?

705-805 Level | Number Properties

705-805 Level | Number Properties hide tags

Hoozan

19 Dec 2020, 08:33

1

5

1,220

by: TestPrepUnlimited

22 Dec 2020, 22:28

ER

If t is an integer, is t odd?

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Hoozan

19 Dec 2020, 08:42

2

1,164

by: TestPrepUnlimited

22 Dec 2020, 21:58

ER

In a bulb factory there are different kinds of bulbs,

655-705 Level | Probability

655-705 Level | Probability hide tags

Bunuel

19 Nov 2019, 01:41

6

4

2,830

by: bumpbot

22 Dec 2020, 11:44

ER

Machine J runs at a constant rate and produces a lot

Sub 505 Level | Work Problems

Sub 505 Level | Work Problems hide tags

Bunuel

18 Apr 2017, 03:48

3

5

2,044

by: CEdward

21 Dec 2020, 23:55

ER

If X is an integer, does 7X + 9X+3 end with a 0?

555-605 Level | Exponents, Number Properties

555-605 Level | Exponents, Number Properties hide tags

EgmatQuantExpert

27 Feb 2018, 10:04

13

6

4,230

by: bumpbot

21 Dec 2020, 11:40

ER

Is 6 a factor of positive integer x ?

705-805 Level | Remainders

705-805 Level | Remainders hide tags

Bunuel

18 Dec 2020, 01:15

5

8

1,677

by: hunter2000

21 Dec 2020, 01:59

ER

If x and y are positive integers, is x - y >

605-655 Level | Inequalities

605-655 Level | Inequalities hide tags

Bunuel

24 Mar 2015, 04:40

9

10

4,940

by: Aharonhillel

20 Dec 2020, 20:56

ER

The difference of two positive integers is 10. What

805+ Level | Divisibility/Multiples/Factors

805+ Level | Divisibility/Multiples/Factors hide tags

kawal27

20 Dec 2020, 02:55

4

1

1,171

by: TestPrepUnlimited

20 Dec 2020, 17:58

ER

Three containers A, B and C have wine concentrations

805+ Level | Mixture Problems

805+ Level | Mixture Problems hide tags

Bunuel

05 Jul 2017, 00:26

59

12

5,460

by: Naman_Agrawal

20 Dec 2020, 09:49

Williams school has a total enrollment of 800 students

555-605 Level | Percent and Interest Problems

555-605 Level | Percent and Interest Problems hide tags

Abhi077

19 Dec 2020, 08:51

4

2

962

by: QuantMadeEasy

20 Dec 2020, 04:29

If y is a positive integer, is y/8 an integer?

605-655 Level | Divisibility/Multiples/Factors, Number Properties

605-655 Level | Divisibility/Multiples/Factors, Number Properties hide tags

TheUltimateWinner

19 Dec 2020, 10:41

5

4

1,029

by: QuantMadeEasy

20 Dec 2020, 00:52

ER

If r1 and r2 are the roots of the equation

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Jks3000

24 Nov 2020, 06:24

5

3

1,048

by: Qorda

20 Dec 2020, 00:24

ER

If xy ≠ 0, is x = y? (1) |x| = |y| (2) xy > 0

Sub 505 Level | Absolute Values, Inequalities

Sub 505 Level | Absolute Values, Inequalities hide tags

Bunuel

01 Nov 2018, 00:17

10

7

2,787

by: QuantMadeEasy

20 Dec 2020, 00:11

ER

Peter can drive to work via the expressway or via the

505-555 Level | Distance Problems

505-555 Level | Distance Problems hide tags

Bunuel

16 Mar 2016, 11:15

6

4,126

by: bumpbot

19 Dec 2020, 09:03

ER

If n is a positive integer and m = 6.25 × 10^n, what

505-555 Level | Exponents, Inequalities

505-555 Level | Exponents, Inequalities hide tags

Bunuel

01 Sep 2016, 03:51

6

3,640

by: bumpbot

18 Dec 2020, 19:37

ER

If y does not equal 0. Does x = 0 ?

655-705 Level | Algebra

655-705 Level | Algebra hide tags

rxs0005

06 Jan 2011, 06:32

13

11

9,139

by: bumpbot

18 Dec 2020, 11:28

ER

If x and z are integers, is at least one of them even?

Sub 505 Level | Number Properties

Sub 505 Level | Number Properties hide tags

Bunuel

07 Feb 2017, 06:39

3

5,581

by: MathRevolution

18 Dec 2020, 08:40

ER

N is a four digit number. N = ABCD where A, B, C, D

805+ Level | Number Properties

805+ Level | Number Properties hide tags

Abhi077

11 Dec 2020, 09:43

4

3

2,246

by: MathRevolution

18 Dec 2020, 08:08

ER

What is the area, in square meters, of the building

Sub 505 Level | Geometry

Sub 505 Level | Geometry hide tags

Bunuel

26 Apr 2019, 07:40

5

4

7,437

by: MHIKER

17 Dec 2020, 12:31

ER

The length of the edging which surrounds garden A

805+ Level | Geometry

805+ Level | Geometry hide tags

Abhi077

08 Dec 2020, 05:27

3

1,117

by: kt22

17 Dec 2020, 12:11

ER

At a certain company, some of the employees have

655-705 Level | Overlapping Sets

655-705 Level | Overlapping Sets hide tags

Bunuel

10 Nov 2014, 07:35

12

6

7,678

by: bumpbot

17 Dec 2020, 06:39

ER

A terminating decimal is defined as a decimal that has

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

11 Dec 2020, 01:15

10

11

2,492

by: abhishekmayank

17 Dec 2020, 00:45

ER

Is a positive integer n greater than 1 divisible by 2?

505-555 Level | Divisibility/Multiples/Factors

505-555 Level | Divisibility/Multiples/Factors hide tags

MathRevolution

07 Mar 2017, 01:02

1

6

2,136

by: bumpbot

16 Dec 2020, 19:31

ER

What is the sum of the numbers in a list of m even

555-605 Level | Divisibility/Multiples/Factors

555-605 Level | Divisibility/Multiples/Factors hide tags

EncounterGMAT

10 Sep 2019, 04:16

2

1,220

by: bumpbot

16 Dec 2020, 19:24

ER

Is x^2 > y^2? (1) x > y (2) y > 0

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bunuel

11 Mar 2018, 20:57

2

7

1,948

by: bumpbot

16 Dec 2020, 11:46

ER

What is the value of 2^{-y} * 2^{- (x-y)} / 2^{- (x +

555-605 Level | Exponents

555-605 Level | Exponents hide tags

Russ19

16 Dec 2020, 10:32

1

616

by: CrackverbalGMAT

16 Dec 2020, 11:11

ER

A certain list consists of ten non-zero integers. Are

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

TheUltimateWinner

12 Dec 2020, 09:47

3

759

by: chetan2u

16 Dec 2020, 01:03

ER

If x and y are positive integers, is x^17 - 2*y^3 odd?

705-805 Level | Divisibility/Multiples/Factors +2 tags

705-805 Level | Divisibility/Multiples/Factors, Number Properties, Statistics and Sets Problems hide tags

Bunuel

15 Dec 2020, 01:15

6

5

1,621

by: akadiyan

15 Dec 2020, 14:42

ER

What is the value of z? (1) The lengths of the sides

605-655 Level | Geometry

605-655 Level | Geometry hide tags

Bunuel

15 Dec 2020, 01:15

5

1,325

by: akadiyan

15 Dec 2020, 14:18

What is the area of circular region S ?

Sub 505 Level | Geometry

Sub 505 Level | Geometry hide tags

rhtavares123

14 Dec 2020, 15:45

3

969

by: shameekv1989

15 Dec 2020, 08:34

ER

How long would it take for ball moving in a straight

Sub 505 Level | Distance Problems, Geometry

Sub 505 Level | Distance Problems, Geometry hide tags

Bunuel

28 Mar 2017, 02:39

3

2

2,052

by: Alligator16

15 Dec 2020, 06:41

ER

What is the value of the positive integer x?

655-705 Level | Divisibility/Multiples/Factors

655-705 Level | Divisibility/Multiples/Factors hide tags

Bunuel

14 Dec 2020, 01:15

6

3

1,299

by: carouselambra

14 Dec 2020, 23:33

ER

If P and Q are integers, is [m][fraction](10^{2P} +

805+ Level | Number Properties

805+ Level | Number Properties hide tags

GMATBusters

20 Oct 2018, 10:04

6

7

1,328

by: bumpbot

13 Dec 2020, 10:58

ER

If p = 1008^m*998^n, where m and n are positive

605-655 Level | Exponents, Number Properties

605-655 Level | Exponents, Number Properties hide tags

Bunuel

11 Dec 2020, 01:15

13

7

1,594

by: HASTOWINGMAT

13 Dec 2020, 05:42

ER

Consider a seven digit integer A,BC7,8DE. If the

605-655 Level | Divisibility/Multiples/Factors

605-655 Level | Divisibility/Multiples/Factors hide tags

Bunuel

10 Dec 2020, 01:15

4

7

1,327

by: DanTe02

13 Dec 2020, 05:40

Data Sufficiency (DS)