GMAT Data Sufficiency (DS) Forum - Free Practice Questions

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

Bunuel

25 Oct 2022, 08:11

179

15

79,867

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

858

24

189,007

by: bumpbot

16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,717

by: bb

29 Aug 2025, 13:27

ER

Is y < 0 (1) x + y = 1 (2) x^2 < y^2

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

12 Mar 2023, 09:57

3

2

1,249

by: Rishika2805

16 Aug 2025, 03:42

ER

What is the value of x ? (1) x^4 = |x| (2) x^2 > x

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

guerrero25

11 Feb 2013, 01:09

33

3

7,508

by: bumpbot

14 Aug 2025, 07:04

ER

If ab ≠ 0; is a/b > 0 ? (1) |a*b| = a*b (2) |a| + |b| = |a + b |

605-655 (Medium) | Absolute Values, Inequalities

605-655 (Medium) | Absolute Values, Inequalities hide tags

contactakanksha

03 Mar 2020, 05:37

10

5

3,480

by: Bunuel

14 Aug 2025, 06:41

ER

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

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

gmatbull

04 Dec 2010, 06:33

128

18

29,388

by: bumpbot

14 Aug 2025, 05:32

ER

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

555-605 (Medium) | Algebra, Inequalities

555-605 (Medium) | Algebra, Inequalities hide tags

jlgdr

23 May 2020, 07:11

42

13

17,396

by: Bunuel

14 Aug 2025, 02:51

ER

If x/y > 2, is 3x + 2y < 18? (1) x - y is less than 2 (2) y - x is les

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Hussain15

15 Jan 2010, 09:32

172

19

22,856

by: bumpbot

12 Aug 2025, 09:53

ER

If x < 0, is y > 0 ? (1) x/y < 0 (2) y - x > 0

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Walkabout

26 Dec 2012, 04:50

61

12

20,447

by: bumpbot

11 Aug 2025, 09:20

ER

Is y > 0? (1) 3x + 2y > z + 4 (2) 6x - 7 < 5y + 2z

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

27 Jun 2017, 00:34

25

5

4,467

by: bumpbot

11 Aug 2025, 09:03

ER

If 1 < d < 2, is the tenths’ digit of the decimal representation of d

555-605 (Medium) | Fractions and Ratios, Inequalities

555-605 (Medium) | Fractions and Ratios, Inequalities hide tags

boomtangboy

28 Apr 2012, 22:02

149

13

32,190

by: bumpbot

10 Aug 2025, 04:44

ER

If a, b, and c are integers, is a greater than b?

505-555 (Easy) | Absolute Values, Inequalities

505-555 (Easy) | Absolute Values, Inequalities hide tags

Bunuel

05 Dec 2016, 03:04

20

5

4,508

by: bumpbot

09 Aug 2025, 12:14

ER

If x is negative, is x < –3 ? (1) x^2 > 9 (2) x^3 < –9

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

surendar26

02 Jul 2021, 02:15

451

13

68,025

by: bumpbot

07 Aug 2025, 08:07

ER

Is z > 0? (1) (z + 1)(z)(z - 1) < 0 (2) |z| < 1

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

1, 2

ColdSushi

18 Mar 2015, 20:31

93

23

14,176

by: bumpbot

07 Aug 2025, 03:39

ER

Math Revolution and GMAT Club Contest! If |3x| > |4y|, is x > y?

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

1, 2

Bunuel

28 Nov 2015, 09:54

68

37

12,136

by: bumpbot

07 Aug 2025, 03:22

ER

Is |x + 1| + |x - 2| < 4 ?

705-805 (Hard) | Absolute Values, Inequalities

705-805 (Hard) | Absolute Values, Inequalities hide tags

cnsih1532

16 May 2020, 06:46

27

6

4,927

by: bumpbot

06 Aug 2025, 06:24

ER

Is |a| + |b| >|a + b| ? (1) |ab| > ab (2) a/b < 0

505-555 (Easy) | Absolute Values, Inequalities

505-555 (Easy) | Absolute Values, Inequalities hide tags

Bunuel

17 Nov 2021, 05:00

4

2

1,965

by: bumpbot

05 Aug 2025, 10:01

ER

Is |x - 10| > |x - 30|? (1) x > 10 (2) x > 25

505-555 (Easy) | Absolute Values, Inequalities

505-555 (Easy) | Absolute Values, Inequalities hide tags

KaranB1

20 Jul 2019, 05:38

43

10

11,377

by: bumpbot

05 Aug 2025, 09:47

ER

If |x² + 3x – 7| = 3, is x prime?

805+ (Hard) | Absolute Values +2 tags

805+ (Hard) | Absolute Values, Algebra, Inequalities hide tags

anmolmakkarz17

31 Oct 2019, 11:28

16

7

4,044

by: bumpbot

05 Aug 2025, 09:08

ER

Is integer x<−20?

555-605 (Medium) | Algebra, Inequalities

555-605 (Medium) | Algebra, Inequalities hide tags

zxcvbnmas

06 Feb 2016, 18:48

24

5

7,962

by: bumpbot

05 Aug 2025, 08:05

ER

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

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

Bunuel

17 Dec 2019, 01:55

25

14

5,973

by: bumpbot

05 Aug 2025, 07:46

ER

If a b, is 1/(a-b) > ab ? (1) |a| > |b| (2) a < b

705-805 (Hard) | Absolute Values, Inequalities

705-805 (Hard) | Absolute Values, Inequalities hide tags

mun23

27 Feb 2013, 13:17

74

11

16,008

by: bumpbot

05 Aug 2025, 04:40

ER

If a and b are single-digit positive numbers and a/b is NOT a recurrin

705-805 (Hard) | Inequalities +2 tags

705-805 (Hard) | Inequalities, Multiples and Factors, Number Properties hide tags

Bunuel

29 May 2015, 06:22

33

6

7,398

by: bumpbot

05 Aug 2025, 04:39

ER

If x is an integer and |x - 3| + |x + 4| <= |x + 8|, what is the value

805+ (Hard) | Absolute Values, Inequalities

805+ (Hard) | Absolute Values, Inequalities hide tags

Bunuel

10 Jan 2021, 12:37

26

8

4,468

by: bumpbot

05 Aug 2025, 04:23

ER

If xy 0, is x < y? (1) x^8 < y^8 (2) x^(-9) < y^(-9)

805+ (Hard) | Exponents, Inequalities

805+ (Hard) | Exponents, Inequalities hide tags

Bunuel

16 Jan 2022, 08:46

15

3

3,311

by: bumpbot

05 Aug 2025, 04:09

ER

If xy ≠ 0, is x/y > 2x/y ? (1) y is positive. (2) xy is positive.

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Mar 2020, 07:40

11

4

3,949

by: bumpbot

03 Aug 2025, 08:20

ER

If x and y are positive integers, is x a prime number?

805+ (Hard) | Absolute Values +2 tags

805+ (Hard) | Absolute Values, Algebra, Inequalities hide tags

bekerman

22 May 2014, 17:42

180

18

23,387

by: bumpbot

30 Jul 2025, 09:14

ER

Is x^y > 0 ? (1) y = 2 (2) x is an integer

605-655 (Medium) | Inequalities, Number Properties

605-655 (Medium) | Inequalities, Number Properties hide tags

Bunuel

23 Sep 2015, 03:36

38

9

7,637

by: bumpbot

29 Jul 2025, 23:30

ER

If y is an integer and y = |x| + x, is y = 0?

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

Fijisurf

14 Dec 2010, 22:03

172

8

42,263

by: bumpbot

29 Jul 2025, 23:04

ER

If r is not equal to 0, is r^2/|r| < 1? (1) r > -1 (2)

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

kylexy

27 Jun 2010, 12:43

60

13

22,327

by: bumpbot

29 Jul 2025, 10:04

ER

Is |xy| > xy? (1) (x^2y^2)^(1/2) = xy (2) |x| + |y| = x + y

605-655 (Medium) | Absolute Values, Inequalities

605-655 (Medium) | Absolute Values, Inequalities hide tags

Bunuel

13 Sep 2017, 21:48

38

16

7,174

by: bumpbot

29 Jul 2025, 02:43

ER

Is xy < 1? (1) |x|y ≠ x|y| (2) (x − y)^2/(x + y)^2 = 1

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

Shrey08

01 Jun 2021, 08:33

10

2

3,348

by: bumpbot

29 Jul 2025, 02:39

ER

If x and y are integers and xy does not equal 0, is xy < 0?

605-655 (Medium) | Algebra, Inequalities

605-655 (Medium) | Algebra, Inequalities hide tags

Bunuel

19 Dec 2019, 04:07

17

5

14,682

by: bumpbot

29 Jul 2025, 01:38

ER

If b = 3a, is the average (arithmetic mean) of the five terms in the

605-655 (Medium) | Inequalities, Statistics and Sets Problems

605-655 (Medium) | Inequalities, Statistics and Sets Problems hide tags

Bunuel

11 Feb 2022, 02:30

16

6

4,173

by: bumpbot

28 Jul 2025, 11:00

ER

If w < x < y < z, is the average (arithmetic mean) of w, x, y, and z

655-705 (Hard) | Algebra, Inequalities

655-705 (Hard) | Algebra, Inequalities hide tags

Bunuel

06 Dec 2019, 06:05

19

3

10,106

by: deletus

28 Jul 2025, 10:48

ER

Is 1/(a + b) > b - a?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

23 Mar 2017, 06:07

11

8

3,251

by: aaronmart14

25 Jul 2025, 14:46

ER

Is x = 4? (1) |x + 2| < 10 (2) |x + 5| > 10

605-655 (Medium) | Absolute Values, Inequalities

605-655 (Medium) | Absolute Values, Inequalities hide tags

Bunuel

20 Apr 2018, 06:14

20

8

6,302

by: bumpbot

24 Jul 2025, 08:51

ER

Is x > y? (1) 9x = 4y (2) x = -y

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

GMATT73

05 Nov 2020, 06:37

44

11

11,298

by: bumpbot

22 Jul 2025, 22:55

ER

Is x > y? (1) x^2 > y (2) x – |y| > 0

505-555 (Easy) | Absolute Values, Inequalities

505-555 (Easy) | Absolute Values, Inequalities hide tags

Bunuel

23 Mar 2016, 11:37

28

12

7,490

by: bumpbot

21 Jul 2025, 10:42

ER

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

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

26 Jan 2021, 01:15

24

10

7,085

by: bumpbot

21 Jul 2025, 03:13

ER

Is x>0 ?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

BillyZ

11 May 2017, 02:34

13

14

6,487

by: bumpbot

21 Jul 2025, 03:11

ER

Is x > 3? (1) The sum of x and the square of x is 12 (2) x^2 > 9

605-655 (Medium) | Algebra, Inequalities

605-655 (Medium) | Algebra, Inequalities hide tags

Bunuel

08 Oct 2015, 07:43

22

7

6,737

by: bumpbot

20 Jul 2025, 18:58

ER

If x and y are positive integers, what is the value of (x + y)?

655-705 (Hard) | Algebra, Inequalities

655-705 (Hard) | Algebra, Inequalities hide tags

Bunuel

09 Jun 2015, 02:37

8

9

5,722

by: bumpbot

19 Jul 2025, 17:53

ER

Is ((x-3)^2)^(1/2) = 3-x? (1) x ≠ 3 (2) -x|x| > 0

605-655 (Medium) | Absolute Values, Inequalities

605-655 (Medium) | Absolute Values, Inequalities hide tags

1, 2, 3

gmatnub

24 Apr 2008, 17:42

1.2k

46

188,468

by: bumpbot

19 Jul 2025, 16:38

ER

Is x between 0 and 1 ? (1) x^2 is less than x (2) x^3 is positive

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

jscott319

04 Nov 2010, 19:49

117

15

38,647

by: KalleAbhi

19 Jul 2025, 05:39

ER

If n is an integer, is (0.1)^n greater than (10)^n?

Sub 505 (Easy) | Exponents, Inequalities

Sub 505 (Easy) | Exponents, Inequalities hide tags

Bunuel

14 May 2023, 14:43

185

13

43,520

by: bumpbot

19 Jul 2025, 04:27

ER

Is x^3 < x? (1) 1/x > x (2) x^2 > x

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

GMATinsight

07 Dec 2021, 01:17

4

3

1,614

by: bumpbot

17 Jul 2025, 17:39

ER

Is y – x positive? (1) y > 0 (2) x = 1 – y

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

satishreddy

28 Oct 2010, 17:44

59

17

18,899

by: agrasan

16 Jul 2025, 22:39

ER

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

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

udaymathapati

12 Sep 2010, 07:25

44

6

18,895

by: agrasan

16 Jul 2025, 22:31

ER

Does at least one root of the equation x^2 - 2x - 35 = 0 lie between

655-705 (Hard) | Algebra +2 tags

655-705 (Hard) | Algebra, Inequalities, Roots hide tags

EgmatQuantExpert

23 May 2017, 07:30

17

4

5,503

by: bumpbot

15 Jul 2025, 16:45

ER

S = x^3 +3^x. Is S > 0?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

MINDPOWER

11 Oct 2015, 13:07

15

6

3,698

by: bumpbot

14 Jul 2025, 10:46

ER

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

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

1, 2, 3

study

20 Jul 2021, 00:43

1.5k

48

219,289

by: ManishaPrepMinds

14 Jul 2025, 00:02