GMAT Club Forum

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

Bunuel

25 Oct 2022, 08:11

129

11

57,752

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

828

23

178,833

by: Bunuel

02 Sep 2024, 23:51

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,485

0

472,599

by: bb

07 Mar 2012, 08:58

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

1,213

by: chetan2u

14 Jun 2020, 23:19

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

1,493

by: SaquibHGMATWhiz

03 Apr 2023, 04:33

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

1,798

by: Bunuel

27 Oct 2023, 14:48

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

3,353

by: Akp880

15 Sep 2020, 06:12

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

3,480

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

3,557

by: bumpbot

13 Apr 2023, 05:16

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

3,587

by: saurabhbajpai

13 Jan 2024, 09:12

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

3,733

by: bumpbot

27 Jan 2023, 04:14

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

4,009

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

4,150

by: bumpbot

27 Jan 2023, 04:20

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

4,549

by: bumpbot

03 Dec 2023, 11:55

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

5,315

by: bumpbot

26 Jan 2023, 07:47

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

5,354

by: Bunuel

26 May 2023, 05:58

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

5,359

by: bumpbot

05 Feb 2025, 15:09

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

5,580

by: bumpbot

20 Nov 2024, 00:51

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

5,691

by: bumpbot

22 Nov 2024, 03:51

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

5,981

by: bumpbot

09 Jan 2023, 14:44

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

6,934

by: bumpbot

01 Aug 2024, 23:21

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

7,369

by: bumpbot

27 Jan 2023, 05:52

ER

Is x>3?

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

aazhar

07 Jul 2012, 18:44

19

3

7,615

by: bumpbot

19 Mar 2023, 21:08

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

7,713

by: bumpbot

12 Jun 2023, 04:04

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

7,943

by: bumpbot

19 Nov 2024, 15:52

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

8,243

by: bumpbot

19 Oct 2019, 06:54

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

8,584

by: bumpbot

05 Jun 2024, 09:01

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

8,590

by: bumpbot

26 Feb 2023, 16:25

ER

If n is an integer, is -3x^n positive?

505-555 Level | Exponents +2 tags

505-555 Level | Exponents, Inequalities, Number Properties hide tags

ninomoi

15 May 2007, 02:03

12

10

8,594

by: bumpbot

27 Mar 2025, 09:54

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

8,726

by: bumpbot

27 Jan 2023, 03:44

ER

If x > 0, is x^2 < x ? (1) 0.1 < x < 0.4 (2) x^3 < x^2

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

smartyman

15 Oct 2016, 10:14

11

10

8,796

by: bumpbot

12 Jul 2025, 07:06

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

9,114

by: bumpbot

09 Sep 2023, 19:02

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

9,986

by: bumpbot

24 Jan 2024, 14:37

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

10,141

by: bumpbot

29 Jul 2024, 19:36

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

10,766

by: bumpbot

03 Oct 2024, 14:27

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

11,665

by: bumpbot

23 Dec 2023, 03:25

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

11,944

by: bumpbot

10 Jul 2023, 20:28

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

12,342

by: bumpbot

11 Jan 2023, 06:22

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

12,455

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

12,724

by: bumpbot

16 Oct 2024, 07:01

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

12,949

by: bumpbot

12 Jan 2023, 00:29

ER

Is a > b ? (1) a/b = 7/10 (2) a = 70/100*b

605-655 Level | Algebra, Inequalities

605-655 Level | Algebra, Inequalities hide tags

Maude

25 Aug 2010, 02:11

69

11

13,222

by: bumpbot

20 Nov 2024, 12:21

ER

|s – t| > ||s| - |t||?

655-705 Level | Absolute Values, Inequalities

655-705 Level | Absolute Values, Inequalities hide tags

fattty

13 Jan 2016, 23:39

115

9

13,351

by: bumpbot

13 Jul 2025, 01:55

ER

The values of x and y vary with the value of z

705-805 Level | Inequalities

705-805 Level | Inequalities hide tags

NoHalfMeasures

19 Dec 2015, 15:22

121

10

13,958

by: bumpbot

03 Apr 2025, 12:46

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

14,015

by: bumpbot

11 Jan 2023, 10:46

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

14,077

by: bumpbot

26 Nov 2024, 17:42

ER

If x is an integer, what is the value of x? (1) 1/5 < 1/(x + 1) < 1/2

555-605 Level | Algebra, Inequalities

555-605 Level | Algebra, Inequalities hide tags

jlgdr

18 Sep 2013, 15:38

33

12

14,539

by: bumpbot

07 Jul 2024, 01:30

ER

If a and b are distinct integers and their product is not equal to

705-805 Level | Inequalities

705-805 Level | Inequalities hide tags

janani28

01 Sep 2014, 12:09

143

9

14,951

by: bumpbot

10 May 2024, 11:22

ER

Is |x| < 1 ? (1) x/|x| < x (2) x/|x| < 1

805+ Level | Absolute Values, Inequalities

805+ Level | Absolute Values, Inequalities hide tags

Reni

31 Jul 2014, 09:55

158

11

15,535

by: bumpbot

16 Dec 2024, 07:02

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

15,815

by: bumpbot

13 May 2023, 02:44

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

16,348

by: bumpbot

25 Jun 2023, 01:31

ER

If zt < -3, is z < 4 ? (1) z < 9 (2) t < -4

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

msand

08 Apr 2010, 13:30

35

9

16,357

by: bumpbot

17 Jan 2024, 03:40

ER

Is y between -2 and 1 on the number line?

Sub 505 Level | Inequalities

Sub 505 Level | Inequalities hide tags

warriorguy

09 Apr 2017, 09:38

26

11

16,410

by: bumpbot

31 Jul 2024, 08:20

Data Sufficiency (DS)