GMAT Club Forum

ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

127

11

56,786

by: Bunuel

12 May 2025, 05:54

ER

100 Hardest and easiest questions for DS as of June 2025

1, 2

Bunuel

21 Aug 2015, 03:42

827

23

178,360

by: Bunuel

02 Sep 2024, 23:51

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,483

0

471,986

by: bb

07 Mar 2012, 08:58

ER

If A and B are two different points on a number line, is 0 between A

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bunuel

03 Apr 2023, 01:30

2

1

1,478

by: SaquibHGMATWhiz

03 Apr 2023, 04:33

ER

Is x >= 3 ? (1) x^2 - 9 = 0 (2) x < 10

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Bunuel

20 Oct 2019, 01:38

4

3

5,561

by: bumpbot

20 Nov 2024, 00:51

ER

If x > y, is cx > cy ? (1) c > 0 (2) xy > 0

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Bunuel

23 May 2020, 05:57

10

3

6,906

by: bumpbot

01 Aug 2024, 23:21

ER

Is x > 2 ? (1) 2x > 4 (2) x + 1 > 2

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Bunuel

23 May 2020, 07:26

1

3

3,475

by: bumpbot

06 Feb 2024, 03:46

ER

Is x/y greater than 1 ? (1) x > 3 (2) y > 3

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Bunuel

23 May 2020, 04:13

4

3

3,543

by: bumpbot

13 Apr 2023, 05:16

ER

Is x>3?

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

aazhar

07 Jul 2012, 18:44

19

3

7,595

by: bumpbot

19 Mar 2023, 21:08

ER

Is m > k? (1) 3m > 3k (2) 2m > 2k

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

rpamecha

21 Apr 2012, 15:27

6

3

12,916

by: bumpbot

12 Jan 2023, 00:29

ER

Is z > 0.5 ?

Sub 505 Level | Fractions and Ratios, Inequalities

Sub 505 Level | Fractions and Ratios, Inequalities hide tags

zatspeed

11 Mar 2015, 21:17

7

3

5,948

by: bumpbot

09 Jan 2023, 14:44

ER

Which weighs more, a cubic unit of water or a cubic unit of liquid X ?

555-605 Level | Inequalities, Word Problems

555-605 Level | Inequalities, Word Problems hide tags

Bunuel

23 May 2020, 05:55

23

4

8,506

by: bumpbot

05 Jun 2024, 09:01

ER

Is x > z ? (1) x > 0 (2) z > 0

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

ChandlerBong

25 Jul 2023, 11:18

2

4

1,768

by: Bunuel

27 Oct 2023, 14:48

ER

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

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

newbornmuse

23 Jun 2014, 20:49

1

4

4,007

by: Bunuel

22 May 2023, 22:12

ER

Is xy > 0 ? (1) x = y + 6 (2) y < 0

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Bunuel

23 May 2020, 05:38

7

4

4,126

by: bumpbot

27 Jan 2023, 04:20

ER

If a and b are negative numbers, is b > a ? (1) a/b > 1 (2) b/a < 1

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Bunuel

23 May 2020, 04:28

6

4

5,294

by: bumpbot

26 Jan 2023, 07:47

ER

If r > 0, is rs < 0 ? (1) s < 0 (2) s < r

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Bunuel

07 Nov 2017, 23:46

12

4

14,000

by: bumpbot

11 Jan 2023, 10:46

ER

If m and n are positive integers, is m greater than n ?

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Bunuel

15 Sep 2020, 04:30

3

4

3,332

by: Akp880

15 Sep 2020, 06:12

ER

Is x + 5 greater than y - 5 ? (1) y < -3 (2) x > -13

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bunuel

15 Sep 2020, 09:15

19

5

5,340

by: bumpbot

05 Feb 2025, 15:09

ER

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

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

vmelgargalan

21 Mar 2017, 12:29

12

5

14,033

by: bumpbot

26 Nov 2024, 17:42

ER

If x ≠ 0, is 1/x < 1/x^2? (1) x > 0 (2) 0 < x < 1

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bunuel

23 May 2020, 06:29

2

5

3,571

by: saurabhbajpai

13 Jan 2024, 09:12

ER

Is y < 2x ? (1) y/4 < x/2 (2) (y - 2x)/3 <0

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Jeli13

08 May 2015, 04:02

38

5

23,708

by: bumpbot

03 Dec 2023, 09:53

ER

Is x + y negative? (1) x is negative. (2) y is positive.

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Bunuel

06 Jun 2019, 04:38

7

5

11,893

by: bumpbot

10 Jul 2023, 20:28

ER

Is -1 < x < 2 ? (1) 0 < x < 4 (2) -2 < x < 3

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Bunuel

23 May 2020, 04:32

6

5

3,726

by: bumpbot

27 Jan 2023, 04:14

ER

If r, s, and w are positive numbers such that w = 60r + 80s

605-655 Level | Inequalities

605-655 Level | Inequalities hide tags

udaymathapati

12 Sep 2010, 07:25

43

6

17,538

by: bumpbot

25 Mar 2025, 09:23

ER

Is -3*x^3 <= -3? (1) -3x < 3 (2) x < 0

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

NoHalfMeasures

20 Dec 2015, 20:47

24

6

7,681

by: bumpbot

12 Jun 2023, 04:04

ER

If r and s are positive integers, is r/s less than 1/3 ?

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

littlestone

22 Nov 2020, 21:16

5

6

5,328

by: Bunuel

26 May 2023, 05:58

Is y < (x + z)/2 ? (1) y - x < z - y (2) z - y > (z - x)/2

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

nick_sun

16 Apr 2007, 01:09

17

6

15,793

by: bumpbot

13 May 2023, 02:44

ER

Does xy = 1? (1) x > y (2) x = 1/y

Sub 505 Level | Algebra, Inequalities

Sub 505 Level | Algebra, Inequalities hide tags

Bunuel

11 Feb 2020, 02:30

11

6

8,576

by: bumpbot

26 Feb 2023, 16:25

ER

Is -3x > -3y ? (1) x < y (2) x > 0

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Simba87

14 Aug 2018, 02:50

13

6

7,337

by: bumpbot

27 Jan 2023, 05:52

ER

If x + y > 0, is x > |y|? (1) x > y (2) y < 0

655-705 Level | Absolute Values, Inequalities

655-705 Level | Absolute Values, Inequalities hide tags

bibha

07 May 2010, 22:05

104

7

20,773

by: bumpbot

20 Nov 2024, 12:08

ER

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

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bull78

10 Aug 2010, 14:58

15

7

7,917

by: bumpbot

19 Nov 2024, 15:52

ER

Is x > y? (1) x/4 = y^2 (2) x > 1

605-655 Level | Inequalities

605-655 Level | Inequalities hide tags

jayoptimist

29 Jul 2012, 11:21

58

7

10,739

by: bumpbot

03 Oct 2024, 14:27

ER

Is x – y ≥ 5 ? (1) x ≥ 9 (2) y ≥ 4

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bunuel

23 May 2020, 04:34

5

7

4,541

by: bumpbot

03 Dec 2023, 11:55

ER

If xy = -18, is x less than y? (1) x < 0 (2) y < 10

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

jsphcal

07 Apr 2013, 01:43

14

7

16,310

by: bumpbot

25 Jun 2023, 01:31

ER

Are the two nonzero integers x and y on opposite sides of 0 on the num

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

SUNGMAT710

24 Aug 2013, 23:36

3

7

8,704

by: bumpbot

27 Jan 2023, 03:44

Is x – y ≥ 5 ? (1) x ≥ 9 (2) y ≤ 4

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bunuel

14 Jun 2020, 10:12

7

1,207

by: chetan2u

14 Jun 2020, 23:19

ER

If x and y are positive. is y< 2 ? (1) x > 2y (2) x < y + 2

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

tatane90

04 Nov 2010, 15:56

107

8

17,585

by: bumpbot

09 Jun 2025, 20:09

ER

If x is a nonzero number, which of the three numbers x, 1/x

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

goodyear2013

29 Mar 2014, 06:05

33

8

12,424

by: bumpbot

16 Oct 2024, 23:55

ER

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

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

tiagolfr

16 Oct 2017, 07:39

25

8

12,692

by: bumpbot

16 Oct 2024, 07:01

ER

If x/2 = 3/y, is x less than y? (1) y >= 3 (2) y <= 4

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bunuel

13 Jul 2018, 04:35

14

8

9,953

by: bumpbot

24 Jan 2024, 14:37

ER

Is 4z > -6 ? (1) z < 7 (2) z > -1

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

Bunuel

03 Mar 2020, 03:57

15

8

11,629

by: bumpbot

23 Dec 2023, 03:25

ER

Is the product ny greater than 0 ? (1) n is between –1 and 1. (2) y

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

taniad

10 Oct 2018, 03:15

19

8

18,758

by: bumpbot

18 Sep 2023, 17:02

ER

If a and b are nonzero numbers on the number line, is 0 between a and

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bunuel

21 Oct 2019, 06:45

31

8

9,081

by: bumpbot

09 Sep 2023, 19:02

ER

Is x > 0.05? (1) x > 3/40 (2) x is greater than 3 percent of 50

Sub 505 Level | Fractions and Ratios +2 tags

Sub 505 Level | Fractions and Ratios, Inequalities, Percent and Interest Problems hide tags

Bunuel

10 Jun 2018, 04:46

12

8

12,318

by: bumpbot

11 Jan 2023, 06:22

ER

If b is positive, is ab positive?

Sub 505 Level | Algebra, Inequalities

Sub 505 Level | Algebra, Inequalities hide tags

Bunuel

11 Aug 2017, 03:43

6

8

8,204

by: bumpbot

19 Oct 2019, 06:54

ER

If a, b, c, d are non zero integers, is a/b + c/d greater than 2?

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

HarveyKlaus

10 Jul 2016, 02:40

46

9

21,801

by: bumpbot

17 Apr 2025, 18:02

ER

Is x + y < 1 ? (1) x < 8/9 (2) y < 1/8

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

dddmba2012

23 Mar 2012, 13:39

79

9

25,372

by: bumpbot

26 Mar 2025, 08:18

ER

If x - y > 10, is x - y > x + y ? (1) x = 8 (2) y = -20

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

vrajesh

21 Nov 2010, 16:44

48

9

17,156

by: bumpbot

24 Mar 2025, 08:51

ER

If a, b, and c are positive integers, is b between a and c?

505-555 Level | Arithmetic, Inequalities

505-555 Level | Arithmetic, Inequalities hide tags

jmehrabi

29 Jan 2012, 16:41

54

9

18,108

by: bumpbot

09 Mar 2025, 01:48

ER

The numbers x and y are not integers. The value of x is closest to whi

605-655 Level | Inequalities, Number Properties

605-655 Level | Inequalities, Number Properties hide tags

ezinis

04 Jan 2011, 13:52

152

9

28,485

by: bumpbot

25 Nov 2024, 09:15

ER

Is |x - 3| < 7 ? (1) x > 0 (2) x < 10

505-555 Level | Absolute Values, Inequalities

505-555 Level | Absolute Values, Inequalities hide tags

Bunuel

23 May 2020, 07:46

18

9

5,682

by: bumpbot

22 Nov 2024, 03:51

ER

Is the product of a positive and a negative integer less than -10?

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

teal

24 Aug 2012, 01:14

10

9

10,128

by: bumpbot

29 Jul 2024, 19:36

Data Sufficiency (DS)