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

78,663

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,484

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

487,878

by: bb

29 Aug 2025, 13:27

ER

A department manager distributed a number of pens, pencils

705-805 (Hard) | Fractions and Ratios, Word Problems

705-805 (Hard) | Fractions and Ratios, Word Problems hide tags

subhabrata1986

15 Nov 2010, 00:54

543

18

55,207

by: bumpbot

06 Jan 2026, 00:33

ER

For each landscaping job that takes more than 4 hours, a certain

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

1, 2

mrsmarthi

08 Oct 2009, 17:15

250

21

42,491

by: bumpbot

06 Jan 2026, 21:23

ER

If v and w are different integers, does v = 0? (1) vw = v^2 (2) w = 2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

zerotoinfinite2006

10 Oct 2010, 09:36

112

18

22,059

by: bumpbot

08 Jan 2026, 08:57

ER

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

191,288

by: Rickooreoisb

08 Jan 2026, 09:06

ER

In the figure above, PQR and STU are identical equilateral triangles,

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2

Bunuel

26 Oct 2015, 10:04

352

20

54,106

by: bumpbot

10 Jan 2026, 04:25

ER

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

286

18

46,253

by: egmat

22 Jan 2026, 04:31

ER

Is 1 + x + x^2 + x^3 + x^4 < 1/(1 - x)? (1) x > 0 (2) x < 1

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

MathRevolution

21 Mar 2016, 04:31

36

15

13,392

by: egmat

22 Jan 2026, 23:23

ER

A research project has a successful outcome if its research is

705-805 (Hard) | Non-Math Related

705-805 (Hard) | Non-Math Related hide tags

1, 2

GMATinsight

26 May 2024, 02:12

143

21

11,521

by: miag

28 Jan 2026, 20:10

ER

If a, b, c, and d are numbers on the number line shown and if

605-655 (Medium) | Algebra, Sequences

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

ramonguib

11 Jun 2016, 11:39

720

16

50,436

by: lehung97

02 Feb 2026, 11:08

ER

If the terms of a sequence are t1, t2, t3, ..., tn, what is the value

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

bigsteel79

20 May 2018, 13:25

164

16

79,084

by: bumpbot

03 Feb 2026, 07:45

ER

A chef mixes P ounces of 60% sugar solution with Q ounces of a 10% sug

605-655 (Medium) | Mixture Problems

605-655 (Medium) | Mixture Problems hide tags

Bunuel

03 Mar 2015, 07:03

83

14

14,511

by: Rohit_842

16 Feb 2026, 12:52

ER

Is the integer n odd? (1) n is divisible by 3 (2) 2n is divisible by

605-655 (Medium) | Multiples and Factors

605-655 (Medium) | Multiples and Factors hide tags

Nihit

04 Mar 2019, 08:09

293

15

56,391

by: Bunuel

20 Feb 2026, 10:36

ER

If x and y are positive integers, what is the value of xy?

Sub 505 (Easy) | Multiples and Factors, Number Properties

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

ctgmat123

30 Jun 2012, 05:29

319

19

110,754

by: totaltestprepNick

23 Feb 2026, 12:55

ER

If i and j are integers, is i + j an even integer?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

06 Aug 2012, 03:13

34

11

21,958

by: totaltestprepNick

23 Feb 2026, 13:40

ER

If t denotes the thousandths digit in the decimal representation of d

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

03 Sep 2012, 06:04

68

11

29,640

by: totaltestprepNick

24 Feb 2026, 12:51

ER

For all z, [z] denotes the least integer greater than or equal to z.

555-605 (Medium) | Functions and Custom Characters

555-605 (Medium) | Functions and Custom Characters hide tags

Bunuel

18 Feb 2014, 03:38

313

15

44,017

by: totaltestprepNick

24 Feb 2026, 12:55

ER

What is the remainder when the positive integer n is divided by 5 ?

Sub 505 (Easy) | Remainders

Sub 505 (Easy) | Remainders hide tags

Bunuel

26 Apr 2019, 02:28

39

10

24,956

by: totaltestprepNick

24 Feb 2026, 13:26

ER

If Pat saved $600 of his earnings last month, how much did

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

1, 2

Bunuel

30 Jul 2012, 02:23

33

20

32,359

by: totaltestprepNick

25 Feb 2026, 15:14

ER

Stores L and M each sell a certain product at a different regular pric

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

31 Aug 2010, 22:31

193

19

39,458

by: totaltestprepNick

25 Feb 2026, 16:00

ER

A jury pool consists of 6 men and w women. If 2 jurors

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

1, 2

goodyear2013

13 Jan 2014, 11:26

111

27

24,543

by: MS26

25 Feb 2026, 19:28

ER

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

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Walkabout

06 Dec 2012, 04:59

81

13

35,678

by: totaltestprepNick

28 Feb 2026, 09:19

ER

If a < x < b and c < y < d, is x < y ? (1) a < c (2) b < c

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

28 Mar 2012, 09:54

42

13

18,098

by: totaltestprepNick

28 Feb 2026, 09:43

ER

If y is greater than 110 percent of x, is y greater than 75 ?

555-605 (Medium) | Inequalities, Percent and Interest Problems

555-605 (Medium) | Inequalities, Percent and Interest Problems hide tags

1, 2

Bunuel

17 Jan 2014, 02:29

134

24

36,746

by: totaltestprepNick

28 Feb 2026, 09:45

ER

In Mr. Smith's class, what is the ratio of the number of boy

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

20 Aug 2012, 03:20

66

12

37,295

by: totaltestprepNick

02 Mar 2026, 07:29

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

28,339

by: totaltestprepNick

02 Mar 2026, 08:21

ER

On a recent trip, Mary drove 50 miles. What was the average

Sub 505 (Easy) | Distance and Speed Problems

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

Bunuel

20 Aug 2012, 03:18

51

13

37,744

by: totaltestprepNick

02 Mar 2026, 08:21

ER

What fraction of this year's graduating students at a certain college

605-655 (Medium) | Fractions and Ratios

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

sunland

17 Jun 2019, 05:54

204

19

38,356

by: totaltestprepNick

03 Mar 2026, 13:17

ER

A car dealership carries only sedans and SUVs

805+ (Hard) | Percent and Interest Problems, Word Problems

805+ (Hard) | Percent and Interest Problems, Word Problems hide tags

Practicegmat

06 Sep 2013, 08:19

469

16

41,009

by: Adit_

05 Mar 2026, 04:41

ER

Did one of the 3 members of a certain team sell at least 2 raffle tick

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

saurabhkhatrinitk

18 Jul 2019, 00:24

179

13

40,229

by: shwetakoshija

27 Mar 2026, 11:13

ER

If sequences S has 240 terms, what is the 239th term of S?

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

teeva

29 Sep 2013, 19:57

290

19

62,337

by: bumpbot

28 Mar 2026, 21:32

ER

A taxi company charges f cents for the first mile of the taxi ride and

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

01 Oct 2012, 05:22

48

18

32,258

by: Bunuel

06 Apr 2026, 02:23

ER

What is the total number of coins that Bert and Claire have?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

15 Oct 2012, 04:53

223

16

48,727

by: Millionsknives63

08 Apr 2026, 22:19

ER

The table above shows the cancellation fee schedule that a travel agen

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

14 Feb 2014, 02:01

117

15

27,636

by: Harsh_

11 Apr 2026, 01:33

ER

Two (or more) lines of a poem are said to rhyme when the final word of

655-705 (Hard) | Non-Math Related

655-705 (Hard) | Non-Math Related hide tags

dredwulf

04 Dec 2025, 00:09

25

16

3,522

by: Adit_

19 Apr 2026, 01:34

ER

If k, m, and p are integers, is k m p odd? (1) k and m are

Poor Quality

Poor Quality hide tags

amitjash

18 Sep 2010, 21:32

1

14

5,130

by: KapTeacherEli

20 Oct 2010, 20:18

ER

Is n^2 + 2n an integer? (1) n^3 + 3n is an integer. (2) 2n

Poor Quality

Poor Quality hide tags

conty911

26 Apr 2012, 03:05

4

19

5,204

by: stne

13 Feb 2014, 07:15

ER

Many different groups apply to march in the annual GLBTGQ, etc. parade

Poor Quality

Poor Quality hide tags

chuchu1957

21 Jan 2015, 04:21

18

12

5,307

by: rekhabishop

18 Jul 2017, 05:12

ER

In the figure above ABCD is a rectangle and point K is the c

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

AtlanticGMAT

14 Jun 2014, 05:38

10

16

6,026

by: bumpbot

19 Sep 2018, 01:01

ER

Is m^n a perfect square?

Poor Quality

Poor Quality hide tags

barryseal

01 Dec 2018, 06:24

5

15

1,832

by: barryseal

03 Dec 2018, 00:11

ER

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

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

BrentGMATPrepNow

02 Oct 2018, 14:48

10

2,894

by: bumpbot

02 Jul 2020, 00:14

ER

If y^k/y^5k = m, what is k?

805+ (Hard) | Exponents

805+ (Hard) | Exponents hide tags

Bunuel

03 Sep 2017, 06:21

50

15

5,939

by: bumpbot

24 Mar 2022, 03:34

ER

Is xy>3?

555-605 (Medium) | Exponents, Inequalities

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

fskilnik

05 Mar 2019, 12:53

32

16

3,739

by: bumpbot

05 Jul 2022, 05:53

ER

In the figure above, segments RS and TU represent two

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

joylive

16 Oct 2012, 05:15

19

8,710

by: bumpbot

22 Feb 2023, 01:24

ER

Is x > 0? (2) x^2 = 9x (2) |x| = -x

555-605 (Medium) | Absolute Values +2 tags

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

Nevernevergiveup

07 Apr 2016, 12:46

36

15

10,390

by: bumpbot

05 May 2023, 08:01

ER

Is the integer 2b divisible by 6 ?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

1, 2

robu

08 Dec 2015, 12:02

70

29

11,108

by: bumpbot

11 Jun 2023, 10:37

ER

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

655-705 (Hard) | Absolute Values, Inequalities

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

ajit257

07 Feb 2011, 18:38

59

15

18,016

by: bumpbot

28 Jul 2023, 10:27

ER

For the triangle shown, where A, B and C are all points on a circle

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

1, 2

enigma123

14 Jul 2021, 13:00

55

23

36,092

by: bumpbot

29 Jul 2023, 23:26

ER

Is (-1,-1) a point on line OQ?

505-555 (Easy) | Coordinate Plane, Geometry

505-555 (Easy) | Coordinate Plane, Geometry hide tags

shivanigs

19 Oct 2012, 03:11

31

19

9,119

by: bumpbot

30 Jul 2023, 06:06

ER

Circle O is inscribed in equilateral triangle ABC, which is

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Hussain15

25 Feb 2018, 06:49

78

19

17,883

by: bumpbot

19 Aug 2023, 06:13

ER

In the xy-plane, line k passes through the point (1, 1) and line m

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

gautamsubrahmanyam

11 Jun 2010, 07:24

84

14

27,600

by: bumpbot

23 Aug 2023, 13:50