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

79,481

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

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Bunuel

01 Jan 2026, 05:45

858

24

188,949

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

488,625

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29 Aug 2025, 13:27

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Data Sufficiency Butler: 2 Questions Every Day

1, 2

Bunuel

14 May 2026, 20:59

467

38

161,315

by: Bunuel

14 May 2026, 20:59

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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

5,062

by: bumpbot

28 Jul 2016, 19:45

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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

33

16

12,044

by: bumpbot

24 Apr 2026, 03:35

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

7,167

by: bumpbot

31 Oct 2021, 06:39

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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

5,658

by: Bunuel

16 Aug 2010, 09:55

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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

5,025

by: bumpbot

24 Dec 2021, 03:24

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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

7,689

by: bumpbot

23 Jul 2023, 09:06

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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

13,371

by: bumpbot

13 Jun 2025, 21:50

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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

7,576

by: bumpbot

10 Dec 2023, 07:27

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

28,303

by: bumpbot

06 Sep 2025, 01:42

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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

25,812

by: bumpbot

11 Apr 2024, 05:58

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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

3,222

by: bumpbot

10 Jan 2021, 09:39

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

18,703

by: gmatblast

21 Jan 2004, 09:33

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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

11,554

by: Bunuel

21 Feb 2021, 11:44

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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

14,086

by: bumpbot

19 Feb 2023, 23:42

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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

10,731

by: bumpbot

08 Aug 2025, 13:28

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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

5,341

by: Bunuel

04 Jan 2011, 06:37

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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

8,987

by: bumpbot

15 Feb 2023, 01:14

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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

7,727

by: Bunuel

19 Jan 2012, 04:45

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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

18,621

by: bumpbot

21 Feb 2025, 00:48

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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

9,011

by: bumpbot

15 Mar 2022, 12:14

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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

16,723

by: bumpbot

09 Jul 2023, 07:50

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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

14,590

by: bumpbot

30 Jul 2023, 00:45

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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

965

25

101,505

by: bumpbot

01 Jan 2026, 07:07

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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

436

17

66,996

by: ManifestDreamMBA

21 Jun 2025, 02:11

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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

9,232

by: bumpbot

30 Oct 2021, 06:47

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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

6,524

by: bumpbot

26 Feb 2022, 00:54

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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

18,053

by: bumpbot

09 Apr 2020, 11:08

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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

10,222

by: bumpbot

28 Jan 2025, 16:57

ER

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

9,398

by: Advait01

07 Apr 2026, 10:22

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Is 1/8 < n < 1/6 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

FN

25 Oct 2014, 06:00

9

4,964

by: CrackverbalGMAT

27 Oct 2021, 22:24

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The figure above shows the shape of a flower bed. If arc QR is a semic

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

gayathri

12 Jan 2005, 09:44

61

10

21,861

by: bumpbot

25 Mar 2025, 18:56

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If sqrt(n) is a positive integer, what is the value of n?

555-605 (Medium) | Inequalities, Number Properties

555-605 (Medium) | Inequalities, Number Properties hide tags

gayathri

09 Oct 2013, 08:17

68

12

20,743

by: bumpbot

22 May 2024, 04:05

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What is the probability that a student randomly selected from a class

555-605 (Medium) | Overlapping Sets, Probability

555-605 (Medium) | Overlapping Sets, Probability hide tags

nocilis

05 Feb 2019, 05:45

287

17

191,410

by: Rickooreoisb

08 Jan 2026, 09:06

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Does the curve (x-a)^2 + (y-b)^2=16 intersect the y-axis ?

805+ (Hard) | Coordinate Plane, Geometry

805+ (Hard) | Coordinate Plane, Geometry hide tags

christoph

26 Nov 2018, 12:09

239

16

25,186

by: bumpbot

17 Jun 2025, 12:37

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If set S consists of even number of integers, is the median

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

1, 2

mirhaque

21 Feb 2005, 05:53

82

28

23,171

by: bumpbot

23 Sep 2025, 23:03

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In the xy-plane, point (r, s) lies on a circle with center at the orig

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

saurya_s

25 Nov 2020, 17:07

287

18

46,390

by: egmat

22 Jan 2026, 04:31

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Tom can buy a certain type-writer for Z1 dollars in city X,

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

pb_india

02 May 2005, 12:49

10

4

4,125

by: bumpbot

24 Mar 2015, 23:41

ER

A rectangular aquarium provides 36 square centimeters of water-surface

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

tarungmat

07 Apr 2015, 05:42

31

10

9,833

by: bumpbot

22 Dec 2021, 11:23

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Is x > y ? (1) x^2 > 2y (2) x^3 > y^4

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

21 Jun 2005, 19:48

3

2

1,979

by: stoned

18 Jul 2022, 19:31

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If a and b are positive integers, what is the value of a - b?

555-605 (Medium) | Algebra, Exponents

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

FN

01 Jan 2019, 00:16

42

13

10,768

by: bumpbot

29 Nov 2022, 00:44

ER

Rachel is throwing a die with sides numbered consecutively

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Macedon

10 Nov 2013, 04:15

85

14

13,149

by: bumpbot

17 Apr 2026, 12:46

ER

Was 70 the average (arithmetic mean) grade on a class test?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

rahulraao

08 Oct 2005, 08:58

45

8

21,834

by: bumpbot

11 Apr 2026, 09:38

ER

If positive integer x is a multiple of 6 and positive integer y is a

555-605 (Medium) | Multiples and Factors

555-605 (Medium) | Multiples and Factors hide tags

1, 2

rahulraao

09 Oct 2005, 01:53

245

21

48,161

by: bumpbot

09 Oct 2025, 12:08

ER

What was the price at which a merchant sold a certain appliance?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

TOUGH GUY

10 Oct 2005, 11:25

31

14

17,303

by: bumpbot

05 Sep 2023, 01:43

ER

Is it true that a > b? (1) 2a > 2b (2) a + c > b + c

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

briozeal

29 Mar 2012, 06:17

11

6

16,009

by: bumpbot

13 Dec 2023, 10:42

ER

From 1984 to 1987, the value of foreign goods consumed annually in the

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

rigger

19 Oct 2005, 20:05

48

12

17,803

by: bumpbot

15 Apr 2025, 07:14

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If m is a positive odd integer, what is the average (arithmetic mean)

555-605 (Medium) | Statistics and Sets Problems

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

rigger

17 Oct 2019, 04:52

66

9

22,259

by: bumpbot

04 Mar 2025, 11:30

ER

What is the probability of selecting a clean number from a s

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

1, 2

GMATT73

26 Oct 2005, 07:52

54

22

26,153

by: bumpbot

29 Aug 2025, 22:16

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S is a set of positive integers such that if integer x is a member of

705-805 (Hard) | Statistics and Sets Problems

705-805 (Hard) | Statistics and Sets Problems hide tags

Bunuel

26 Oct 2005, 18:51

12

8

5,027

by: bumpbot

08 Jan 2025, 00:31