GMAT Club Forum

ER

100 Hardest and easiest questions for DS as of April

Bunuel

21 Aug 2015, 03:42

774

19

162,142

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

1,420

0

448,297

by: bb

07 Mar 2012, 08:58

ER

If q, r, s and t are positive, does s = t ?

505-555 Level | Algebra, Roots

505-555 Level | Algebra, Roots hide tags

Bunuel

28 Apr 2023, 01:30

1

969

by: hinasingh

01 May 2023, 21:42

ER

Is x^3 - x > 0 (1) x > 1 (2) x > 0

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Bunuel

03 May 2023, 06:00

1

737

by: gmatophobia

03 May 2023, 06:19

ER

Is the positive integer x an even number?

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

14 Apr 2023, 11:45

3

949

by: Bunuel

06 May 2023, 05:15

ER

What is the median value of a list of 5 data values?

505-555 Level | Statistics and Sets Problems

505-555 Level | Statistics and Sets Problems hide tags

Bunuel

12 Apr 2023, 09:45

2

821

by: Bunuel

06 May 2023, 06:15

What is the value of (a - b) ? (1) x < 120; y <

505-555 Level | Algebra

505-555 Level | Algebra hide tags

lylawaters

07 May 2023, 00:54

1

583

by: gmatophobia

07 May 2023, 01:14

ER

Is a positive integer x divisible by 12? (1) x is

505-555 Level | Divisibility/Multiples/Factors

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

Bunuel

27 Apr 2023, 10:30

1

762

by: hloonker

07 May 2023, 02:21

ER

The value of a painting was $7000 on may 5, 1970 and

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Poor Quality hide tags

zatspeed

11 Mar 2015, 21:43

5

3,430

by: rxb266

07 May 2023, 23:38

If x and y are positive integers and x is even, is x^a

705-805 Level | Exponents, Number Properties

705-805 Level | Exponents, Number Properties hide tags

gmatophobia

03 May 2023, 23:50

3

905

by: stne

08 May 2023, 00:28

ER

Is x > 1? (1) 1/x < 1 (2) x > 0

605-655 Level | Inequalities

605-655 Level | Inequalities hide tags

Bunuel

08 May 2023, 03:30

1

483

by: gmatophobia

08 May 2023, 10:08

ER

If x and y are integers, is xy an even integer?

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

11 May 2023, 03:30

1

711

by: ChandlerBong

11 May 2023, 07:06

ER

If m and n are positive decimals smaller than 1, is m

655-705 Level | Fractions/Ratios/Decimals

655-705 Level | Fractions/Ratios/Decimals hide tags

Bunuel

08 May 2023, 06:30

1

710

by: $!vakumar.m

14 May 2023, 10:24

ER

Are integers r and s consecutive ? (1) r is odd and s

Sub 505 Level | Number Properties

Sub 505 Level | Number Properties hide tags

Bunuel

15 Oct 2022, 08:34

1

1,501

by: $!vakumar.m

15 May 2023, 10:13

ER

What is the value of x ? (1) 3x = 30 (2) x + y = 40

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

Bunuel

15 Oct 2022, 09:00

1

1,573

by: $!vakumar.m

15 May 2023, 10:16

ER

What is the value of 1 - c - d ? (1) c + d = -1 (2) c

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

15 May 2023, 06:30

1

603

by: gmatophobia

15 May 2023, 13:23

ER

If x and y are integers greater than 1 and x>y,

555-605 Level | Divisibility/Multiples/Factors

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

Bunuel

30 Apr 2023, 06:30

1

861

by: SaquibHGMATWhiz

15 May 2023, 20:44

ER

If nk 0, n is what percent of k? (1) k = 0.2n (2) (k +

Sub 505 Level | Percent and Interest Problems

Sub 505 Level | Percent and Interest Problems hide tags

Bunuel

26 Apr 2023, 06:30

1

788

by: SaquibHGMATWhiz

15 May 2023, 21:09

ER

If x, y are positive integers, is xy = 1? (1) x^2y^2 =

505-555 Level | Algebra

505-555 Level | Algebra hide tags

Bunuel

25 Apr 2023, 10:30

1

892

by: SaquibHGMATWhiz

15 May 2023, 21:31

ER

When n is divided by 5, what is the remainder?

555-605 Level | Remainders

555-605 Level | Remainders hide tags

Bunuel

17 May 2023, 03:30

2

627

by: TheBipedalHorse

17 May 2023, 08:47

ER

There are 6 numbers x, y, 2, 5, 9, and 10. What is the

555-605 Level | Statistics and Sets Problems

555-605 Level | Statistics and Sets Problems hide tags

Bunuel

17 May 2023, 09:30

1

504

by: RahulJain293

17 May 2023, 09:39

ER

If r and s are positive integers, is r + s an odd

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

18 May 2023, 03:30

1

531

by: TheBipedalHorse

18 May 2023, 07:50

ER

Is n an even integer ? (1) 3n is even (2) 5n is even

705-805 Level | Number Properties

705-805 Level | Number Properties hide tags

Bunuel

18 May 2023, 09:30

2

560

by: thelastskybender

18 May 2023, 23:31

ER

Can a circular manhole cover fit exactly into the

505-555 Level | Geometry

505-555 Level | Geometry hide tags

Bunuel

15 Mar 2023, 01:30

2

918

by: chinesetakeoutt

19 May 2023, 12:02

ER

Which copy machine, X or Y, makes copies at the faster

Sub 505 Level | Work Problems

Sub 505 Level | Work Problems hide tags

Bunuel

27 Jul 2022, 07:30

2

1,944

by: medicaldevicegirl

19 May 2023, 15:26

ER

If x and y are positive, is y/x + x/y > 2? (1) x

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

Bunuel

22 May 2023, 03:30

1

597

by: gmatophobia

22 May 2023, 06:24

ER

What percent of the children in class K have been to

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

Bunuel

28 Feb 2023, 02:30

1

782

by: $!vakumar.m

23 May 2023, 11:12

ER

If the average (arithmetic mean) of a, b, and c equal

555-605 Level | Statistics and Sets Problems

555-605 Level | Statistics and Sets Problems hide tags

Bunuel

23 May 2023, 09:30

2

673

by: MBAHOUSE

23 May 2023, 23:03

ER

Is 3-digit integer n a prime number?

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

24 May 2023, 06:30

1

617

by: TargetKellogg2024

24 May 2023, 06:39

ER

If a is an integer, is a - b an integer?

Sub 505 Level | Percent and Interest Problems

Sub 505 Level | Percent and Interest Problems hide tags

Bunuel

23 May 2023, 03:30

1

757

by: Sristishaw

25 May 2023, 00:04

ER

Is positive integer n an odd number? (1) n is the sum

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

Bunuel

25 May 2023, 06:30

1

570

by: Nabneet

25 May 2023, 08:41

ER

If x and y are integers greater than 1 and x > y,

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

25 May 2023, 03:30

1

568

by: Keshav1404

25 May 2023, 23:23

ER

If n is an integer, is (n + 1)^2 an even integer?

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

Bunuel

26 May 2023, 06:30

1

602

by: hinasingh

27 May 2023, 10:38

x and y are distinct positive integers. What is the

605-655 Level | Divisibility/Multiples/Factors

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

ChandlerBong

28 May 2023, 04:27

1

579

by: gmatophobia

28 May 2023, 07:38

ER

What is the value of 2^p/2^q ? (1) p = q + 2 (2)pq = 8

505-555 Level | Exponents

505-555 Level | Exponents hide tags

Bunuel

29 May 2023, 03:30

1

600

by: TheBipedalHorse

29 May 2023, 03:42

ER

If n is an integer, is n(n + 2) divisible by 8?

505-555 Level | Divisibility/Multiples/Factors

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

Bunuel

29 May 2023, 06:30

1

602

by: chetan2u

29 May 2023, 06:44

ER

What is the value of x^(n^2 n + 2)/x^((n 2)(n + 1)) ?

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Bunuel

31 May 2023, 03:45

1

567

by: IshanSaini

31 May 2023, 04:29

ER

What is the value of x ? (1) x^3 + x^2 + x = 0 (2) x =

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

30 May 2023, 03:45

1

558

by: hloonker

31 May 2023, 13:12

ER

Is a > 2? (1) 1/a < 1/2 (2) a^(1/2) > 2^(1/2)

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

Bunuel

02 Jun 2023, 09:45

3

628

by: gmatophobia

02 Jun 2023, 23:00

Is a < b ? (1) a^2 < ab (2) b < 0

605-655 Level | Inequalities

605-655 Level | Inequalities hide tags

elizabete634

08 May 2023, 06:56

3

824

by: RenB

03 Jun 2023, 06:20

ER

If m and n are integers, is m-n an even number?

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

06 Jun 2023, 06:15

2

573

by: Praditha

06 Jun 2023, 07:19

ER

What is the remainder when k^2 is divided by 8?

555-605 Level | Remainders

555-605 Level | Remainders hide tags

Bunuel

06 Jun 2023, 04:15

2

605

by: unraveled

06 Jun 2023, 09:24

ER

If x/300 = y/100, what is the a value of x? (1) x + y

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

09 Jun 2023, 06:15

1

540

by: houston1980

09 Jun 2023, 14:32

ER

Is xy < 15? (1) x < -3 (2) y < -5

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bunuel

16 May 2023, 09:30

1

840

by: hinasingh

14 Jun 2023, 04:30

ER

Is a positive integer x an even number? (1) The

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

15 Jun 2023, 06:00

1

480

by: mysterymanrog

15 Jun 2023, 06:02

ER

Sam takes 2 further Mathematics tests: test 6 and test

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Dhruv0911

16 Jun 2023, 09:50

1

1,092

by: gmatophobia

16 Jun 2023, 14:07

ER

What is the value of x in 11, 15, 17, 18, and x?

555-605 Level | Statistics and Sets Problems

555-605 Level | Statistics and Sets Problems hide tags

Bunuel

16 Jun 2023, 08:00

1

578

by: Anki111

18 Jun 2023, 00:20

ER

What is the value of x in the list {36, 47, 51, 65, x}?

605-655 Level | Statistics and Sets Problems

605-655 Level | Statistics and Sets Problems hide tags

Bunuel

20 Jun 2023, 06:00

1

639

by: IshanSaini

20 Jun 2023, 09:36

ER

If y^5x^4/z^a is a positive integer, is a < 4?

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

18 Jun 2023, 02:14

2

634

by: JeffTargetTestPrep

20 Jun 2023, 12:41

ER

If r, s are positive integers, is r/s a terminating

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

21 Jun 2023, 06:00

1

551

by: mysterymanrog

21 Jun 2023, 08:57

ER

What is the value of a and b ? (1) 2a + 6b = 8 (2) 3b

555-605 Level | Algebra

555-605 Level | Algebra hide tags

Bunuel

20 Jun 2023, 08:00

1

605

by: gmatophobia

21 Jun 2023, 14:05

ER

Is 5x + 4y = 9 ? where x and y are integers. (1) xy

Poor Quality

Poor Quality hide tags

sumit99kr

22 Jun 2023, 06:59

1

314

by: GMATinsight

22 Jun 2023, 07:04

Data Sufficiency (DS)