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

176

15

78,753

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

856

24

188,542

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

487,970

by: bb

29 Aug 2025, 13:27

ER

Each week a certain salesman is paid a fixed amount equal to

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

1, 2

summer101

21 Jul 2012, 12:30

308

22

63,870

by: arnab24

30 Dec 2025, 22:50

ER

If -10 < k < 10, is k > 0 ?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Shiv636

17 Jul 2012, 01:43

30

10

13,522

by: bumpbot

09 Dec 2025, 07:40

ER

If p is the perimeter of rectangle Q, what is the value of p?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

16 Jul 2012, 04:56

199

16

50,188

by: bumpbot

02 Jan 2025, 09:56

ER

In a certain classroom, there are 80 books, of which 24 are fiction an

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

Bunuel

16 Jul 2012, 04:54

69

18

26,556

by: totaltestprepNick

03 Mar 2026, 13:22

ER

Last year the average (arithmetic mean) salary of the 10 employees of

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

16 Jul 2012, 04:51

237

12

45,380

by: bumpbot

16 Aug 2025, 13:32

ER

Of the 66 people in a certain auditorium, at most 6 people

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

16 Jul 2012, 04:49

309

16

43,681

by: findingmyself

09 Nov 2025, 08:19

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Is x odd? (1) 2x - 1 is odd (2) x^3 is odd

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Ellipse

31 Mar 2020, 00:02

23

7

5,296

by: bumpbot

07 Jan 2025, 23:49

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Is y!/x! an integer?

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BukrsGmat

13 Jul 2012, 04:17

7

10

7,604

by: akshayk

13 Jun 2017, 22:34

ER

A library uses the overdue-fee schedule shown below to

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

BukrsGmat

13 Jul 2012, 04:59

7

3

6,946

by: bumpbot

08 Oct 2025, 10:24

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Triangle T has vertices of (-2,6), (6,2) and (0,k) where k

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

alphabeta1234

12 Jul 2012, 17:29

14

10

6,051

by: prabhakar09

19 May 2016, 19:12

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If √(xy) = xy, what is the value of x + y?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

prakash111687

11 Jul 2012, 14:05

74

11

18,136

by: bumpbot

04 Aug 2025, 06:55

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While on a summer vacation in Hawaii, Carla goes for an ocea

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Smita04

10 Jul 2012, 20:16

4

3,720

by: jlgdr

12 Oct 2013, 10:32

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If m and n are positive integers, is root(m)^n an integer?

505-555 (Easy) | Exponents +2 tags

505-555 (Easy) | Exponents, Number Properties, Roots hide tags

Bunuel

09 Jul 2012, 04:56

91

6

42,120

by: bumpbot

01 Apr 2025, 19:18

ER

In City X last April, was the average (arithmetic mean)

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

09 Jul 2012, 04:53

117

11

31,408

by: bumpbot

17 Apr 2025, 03:54

ER

Does the integer k have at least three different positive prime factor

505-555 (Easy) | Multiples and Factors, Number Properties

505-555 (Easy) | Multiples and Factors, Number Properties hide tags

Bunuel

09 Jul 2012, 04:51

45

17

33,563

by: totaltestprepNick

23 Feb 2026, 13:06

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

09 Jul 2012, 04:49

304

16

57,367

by: totaltestprepNick

23 Feb 2026, 13:19

ER

If $5,000 invested for one year at p percent simple annual

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Bunuel

09 Jul 2012, 04:46

43

5

38,425

by: totaltestprepNick

04 Mar 2026, 10:36

ER

If 2/5 of the students at College C are business majors, wha

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Stiv

09 Jul 2012, 03:43

95

15

19,901

by: Bunuel

04 Jan 2026, 00:23

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If a, b, c, and d, are positive numbers, is a/b < c/d?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

1, 2

catty2004

12 May 2017, 01:29

473

23

118,491

by: bumpbot

03 Jul 2025, 05:04

ER

Is x>3?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

aazhar

08 Jul 2012, 03:27

20

3

8,273

by: bumpbot

05 Nov 2025, 20:15

In the figure, what is the value of y

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

metallicafan

06 Jul 2012, 10:12

2

5

4,430

by: bumpbot

26 Aug 2016, 08:06

ER

At a certain school with 200 students, all children must

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

pgmat

05 Jul 2012, 16:15

36

6

13,984

by: bumpbot

18 Jan 2026, 07:02

ER

If A, B and C are distinct points, do line segments AB and BC have the

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

metallicafan

04 Jul 2012, 17:22

14

13

8,593

by: amanvermagmat

09 Feb 2018, 22:58

What is the value of X

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jayoptimist

04 Jul 2012, 09:23

3

2,558

by: cyberjadugar

04 Jul 2012, 10:42

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

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

jayoptimist

03 Jul 2012, 23:30

3

4

4,216

by: bumpbot

19 Jan 2018, 10:52

ER

Is |x| = |y| ? (1) x - y = 6 (2) x + y = 0

505-555 (Easy) | Absolute Values, Algebra

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

catennacio

11 Dec 2018, 23:28

65

16

22,437

by: bumpbot

31 Dec 2024, 23:45

ER

If a and b are positive itegers, what is the value of a + b?

505-555 (Easy) | Multiples and Factors, Number Properties

505-555 (Easy) | Multiples and Factors, Number Properties hide tags

Stiv

02 Jul 2012, 03:47

62

8

16,277

by: bumpbot

19 Jul 2025, 15:43

ER

In the xy-plane, if line k has negative slope and passes through the

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

02 Jul 2012, 02:45

554

13

63,778

by: bumpbot

27 Jul 2025, 03:34

ER

If Paula drove the distance from her home to her college at

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

Bunuel

02 Jul 2012, 02:42

89

14

28,354

by: totaltestprepNick

02 Mar 2026, 08:21

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

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

02 Jul 2012, 02:39

105

10

45,160

by: bumpbot

20 Oct 2025, 22:23

ER

If X and Y are points in a plane and X lies inside the circle C with

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

02 Jul 2012, 02:36

35

12

30,051

by: bumpbot

25 Sep 2025, 09:25

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What is the value of w + q ? (1) 3w=3-3q (2) 5w +5q = 5

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

02 Jul 2012, 02:33

19

7

38,607

by: totaltestprepNick

28 Feb 2026, 09:11

ER

If k is a positive integer, does k have more than 3 differen

655-705 (Hard) | Multiples and Factors

655-705 (Hard) | Multiples and Factors hide tags

galiya

05 Nov 2013, 09:04

5

4,762

by: bumpbot

11 Jan 2022, 20:18

ER

If n is an integer, what is the units digit of x?

605-655 (Medium) | Exponents, Fractions and Ratios

605-655 (Medium) | Exponents, Fractions and Ratios hide tags

ferrarih

30 Jun 2012, 08:00

60

6

11,112

by: bumpbot

30 Sep 2024, 01:47

ER

What is value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sanjoo

29 Jun 2012, 09:00

2

5

3,825

by: bumpbot

06 Apr 2017, 01:41

ER

If p and q are positive integers, what is the value of q?

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

Stiv

28 Jun 2012, 06:56

39

3

17,114

by: bumpbot

17 Jul 2025, 09:03

ER

Is 3^(x+2)/9 >1 ? (1) 9^x > 1 (2) x > 0

555-605 (Medium) | Exponents, Inequalities

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

metallicafan

26 Jun 2012, 12:25

8

9

5,764

by: Bunuel

13 Nov 2018, 11:53

ER

Ten different items are for sale in a store, and each is

655-705 (Hard) | Statistics and Sets Problems

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

manimani

26 Jun 2012, 07:36

11

5

7,363

by: bumpbot

04 Aug 2025, 09:02

ER

What does |2b| equal?

805+ (Hard) | Absolute Values, Algebra

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

galiya

25 Jun 2012, 12:23

69

19

13,569

by: bumpbot

25 Mar 2023, 23:04

ER

What does p equal?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

galiya

25 Jun 2012, 11:57

9

6

7,716

by: bumpbot

10 Jan 2022, 02:21

ER

What is the area of circle passing points A, B & C (in the

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

cyberjadugar

27 Jun 2012, 04:09

4

14

4,260

by: djmobley

02 Oct 2019, 21:09

ER

Of the companies surveyed about the skills they required in prospectiv

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

25 Jun 2012, 03:08

262

12

45,605

by: totaltestprepNick

03 Mar 2026, 13:03

ER

Is 5^(x+2)/25<1 ?

Sub 505 (Easy) | Exponents, Inequalities

Sub 505 (Easy) | Exponents, Inequalities hide tags

Bunuel

25 Jun 2012, 03:07

93

11

32,573

by: totaltestprepNick

28 Feb 2026, 14:26

ER

Is the range of the integers 6, 3, y, 4, 5, and x greater

555-605 (Medium) | Inequalities, Statistics and Sets Problems

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

Bunuel

25 Jun 2012, 03:03

177

14

41,042

by: totaltestprepNick

04 Mar 2026, 11:26

ER

Is the standard deviation of the set of measurements x1, x2,

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

25 Jun 2012, 03:01

180

14

51,545

by: GMATinsight

26 Jun 2025, 03:13

ER

The only gift certificates that a certain store sold yesterday were

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

1, 2

Bunuel

25 Jun 2012, 02:58

193

20

43,149

by: bumpbot

04 Feb 2026, 10:08

ER

If x is an integer greater than 1, is x equal to the 12th

655-705 (Hard) | Exponents, Number Properties

655-705 (Hard) | Exponents, Number Properties hide tags

bhupi

23 Jun 2012, 10:44

441

18

49,625

by: bumpbot

18 Jul 2025, 05:55

ER

Is 3^(a^2/b) < 1? (1) a < 0 (2) b < 0

805+ (Hard) | Exponents, Inequalities

805+ (Hard) | Exponents, Inequalities hide tags

shivanigs

21 Jun 2012, 01:59

64

7

16,913

by: bumpbot

10 Dec 2023, 05:48

ER

Is x^3/y = x + x/y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

shivanigs

21 Jun 2012, 01:55

12

13

6,393

by: bumpbot

23 Apr 2023, 01:33

ER

How far is A from C?

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

kashishh

20 Jun 2012, 12:14

3

8

6,871

by: bumpbot

03 Jun 2020, 09:51