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

175

15

78,521

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,410

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

487,747

by: bb

29 Aug 2025, 13:27

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Set T is an infinite sequence of positive integers. A

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

stardustsparklin

07 Jan 2005, 16:41

20

14

9,337

by: Advait01

07 Apr 2026, 10:22

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When a die that has one of six consecutive integers on each

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

ruhi

29 Apr 2019, 07:25

52

16

10,172

by: bumpbot

28 Jan 2025, 16:57

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If the ratio of integers a, b, and c is 1 : 2 : 3, what is

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

mike8c

05 Sep 2013, 05:03

7

5

18,034

by: bumpbot

09 Apr 2020, 11:08

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If x is equal to either 2/3 or 3/8 and y is equal to either

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

gayathri

17 Mar 2012, 00:54

21

2

6,495

by: bumpbot

26 Feb 2022, 00:54

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Is x > 0?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

1, 2

afife76

27 Feb 2014, 11:15

26

21

9,184

by: bumpbot

30 Oct 2021, 06:47

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What is the ratio of the average (arithmetic mean) height of

555-605 (Medium) | Statistics and Sets Problems

555-605 (Medium) | Statistics and Sets Problems hide tags

LADodgers

05 Nov 2004, 18:38

434

17

66,870

by: ManifestDreamMBA

21 Jun 2025, 02:11

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A certain list consists of 3 different numbers. Does the median of the

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

1, 2

karovd

02 Jul 2021, 02:12

980

25

101,308

by: bumpbot

01 Jan 2026, 07:07

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If a, b, c, and d are positive integers, is (a/b)(c/d) > c/b?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

saurya_s

21 Jan 2020, 05:44

22

9

14,528

by: bumpbot

30 Jul 2023, 00:45

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In the xy-plane, what is the slope of line l?

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

saurya_s

08 Nov 2022, 10:04

43

5

16,666

by: bumpbot

09 Jul 2023, 07:50

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If pq ≠ 0, is x an integer?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

ice t

23 Feb 2015, 12:58

11

9

8,981

by: bumpbot

15 Mar 2022, 12:14

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Yesterday, Nan parked her car at a certain parking garage

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

ywilfred

28 Aug 2004, 09:15

49

10

18,542

by: bumpbot

21 Feb 2025, 00:48

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If X^3 = Y, is Y a fraction? (1) X^2 is a fraction. (2) X

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saurya_s

05 Aug 2004, 03:11

3

7,668

by: Bunuel

19 Jan 2012, 04:45

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A bowl is filled with consecutively numbered tiles from 1 to x. Joe

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

crackgmat750

13 Jul 2015, 00:48

51

14

8,948

by: bumpbot

15 Feb 2023, 01:14

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Is (x^2 + y^2) a perfect square? (1) x is even, y is odd (2)

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hallelujah1234

16 Apr 2004, 16:56

1

6

5,324

by: Bunuel

04 Jan 2011, 06:37

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What is the 1st term in sequence S ?

Sub 505 (Easy) | Sequences

Sub 505 (Easy) | Sequences hide tags

vivek_dj

04 Mar 2004, 10:54

26

13

10,684

by: bumpbot

08 Aug 2025, 13:28

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The base of a rectangular block has an area of 60 square

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

anandnk

06 Jul 2013, 03:35

41

15

14,037

by: bumpbot

19 Feb 2023, 23:42

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In the figure above, O is the center of the circle. If OP

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

rc197906

17 Jan 2004, 23:02

37

19

11,533

by: Bunuel

21 Feb 2021, 11:44

Who is the fastest among the three workers a, b and c? (1) a

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gmatblast

17 Jan 2004, 18:55

1

5

18,674

by: gmatblast

21 Jan 2004, 09:33

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A person buys a share for $50 and sells it for $52 after a year. What

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4128851

28 Nov 2003, 23:54

2

13

3,196

by: bumpbot

10 Jan 2021, 09:39

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In the figure above, what is the perimeter of rectangle ABPQ

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

araspai

06 Oct 2003, 04:36

91

16

25,758

by: bumpbot

11 Apr 2024, 05:58

If a rope is cut into three pieces of unequal length, what is the leng

505-555 (Easy) | Algebra, Word Problems

505-555 (Easy) | Algebra, Word Problems hide tags

mciatto

31 Aug 2003, 16:21

43

11

28,212

by: bumpbot

06 Sep 2025, 01:42

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Konstantin Lynov

24 Jul 2003, 05:23

17

12

7,543

by: bumpbot

10 Dec 2023, 07:27

ER

What was the average (arithmetic mean) monthly rainfall

505-555 (Easy) | Statistics and Sets Problems, Word Problems

505-555 (Easy) | Statistics and Sets Problems, Word Problems hide tags

Curly05

22 Jul 2003, 20:36

19

6

13,326

by: bumpbot

13 Jun 2025, 21:50

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Find integer W. (1) W is a prime solution of (|W|)!=|W| (2)

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

stolyar

03 Jul 2013, 06:47

32

13

7,668

by: bumpbot

23 Jul 2023, 09:06

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The three integers X, Y, and Z. Is their product XYZ = zero

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stolyar

26 Jun 2003, 04:07

1

15

4,990

by: bumpbot

24 Dec 2021, 03:24

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Find an integer n?

505-555 (Easy) | Absolute Values, Exponents

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

stolyar

22 May 2003, 01:09

2

5,630

by: Bunuel

16 Aug 2010, 09:55

Find an integer F

555-605 (Medium) | Absolute Values, Algebra

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

stolyar

22 May 2003, 00:57

18

4

7,150

by: bumpbot

31 Oct 2021, 06:39

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What is the tenth term in a series of 89 consecutive

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

brstorewala

17 May 2003, 03:00

31

16

11,941

by: bumpbot

28 Jun 2023, 02:18

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Is K an integer? (1) K=P/Q, where P and Q are consequtive

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stolyar

15 May 2003, 05:09

1

10

5,048

by: bumpbot

28 Jul 2016, 19:45