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

78,633

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

188,469

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

487,852

by: bb

29 Aug 2025, 13:27

ER

If m is an integer greater than 1, is m an even integer?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Carcass

26 Jul 2017, 09:01

64

10

20,246

by: bumpbot

22 Jun 2025, 06:42

ER

What is the value of the integer x ?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

06 Oct 2016, 01:18

34

11

20,227

by: bumpbot

10 Jul 2024, 04:25

ER

Laura sells encyclopaedias, and her monthly income has two

805+ (Hard) | Out of Scope - Too Hard, Word Problems

805+ (Hard) | Out of Scope - Too Hard, Word Problems hide tags

kevincan

29 May 2008, 13:54

138

18

20,210

by: bumpbot

01 Oct 2019, 04:05

ER

What is the volume of a certain cube?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

joaomario

12 Aug 2014, 02:23

35

5

20,199

by: bumpbot

03 Dec 2022, 00:14

ER

In the xy-plane, line l and line k intersect at the point

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

kirankp

05 Jan 2010, 08:00

38

9

20,185

by: bumpbot

17 Aug 2024, 03:14

ER

If m represents the slope of a line in the coordinate geom

655-705 (Hard) | Absolute Values, Coordinate Plane

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

gmatpapa

01 Jul 2013, 07:06

136

16

20,182

by: bumpbot

06 Aug 2023, 05:44

ER

Suppose A and B are two events that are not independent. Is the proba

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Bunuel

06 Mar 2015, 07:25

103

13

20,176

by: Bunuel

08 Dec 2025, 13:35

ER

Abe, Beth, Carl and Duncan are four siblings, among which Abe and Carl

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

EgmatQuantExpert

12 Dec 2025, 06:19

132

18

20,155

by: bumpbot

12 Dec 2025, 06:18

ER

A certain circular area has its center at point P and has

555-605 (Medium) | Coordinate Plane, Geometry

555-605 (Medium) | Coordinate Plane, Geometry hide tags

vigneshpandi

21 Sep 2010, 23:05

86

10

20,141

by: bumpbot

24 Sep 2024, 06:17

ER

If x is a positive integer, is x prime?

555-605 (Medium) | Multiples and Factors

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

tarek99

02 Apr 2014, 04:52

53

7

20,132

by: bumpbot

02 Aug 2023, 09:06

ER

In the figure above, D is a point on the side AC of ABC.Is ABC isos?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

09 Dec 2014, 15:39

91

12

20,126

by: Bunuel

18 Feb 2026, 04:53

ER

Last semester, Professor K taught two classes, A and B. Each student

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

24 Jun 2018, 21:24

39

17

20,113

by: bumpbot

18 Nov 2024, 02:51

ER

If 90 students auditioned for the school musical, how many

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

26 Aug 2012, 03:16

33

8

20,109

by: totaltestprepNick

03 Mar 2026, 13:12

ER

If m and n are nonzero integers, is m/n an integer?

555-605 (Medium) | Multiples and Factors, Number Properties

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

divanshuj

02 May 2010, 12:32

48

15

20,073

by: nivivacious

07 Sep 2023, 01:05

ER

Given that the mean of Set A is 10, what is the range of two

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

smartass666

05 Nov 2012, 21:09

66

10

20,065

by: bumpbot

04 Jul 2025, 13:09

ER

Is the sum of four particular integers even? (1) Two of the integers

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

26 Apr 2019, 02:01

63

11

20,041

by: bumpbot

30 Nov 2023, 07:39

ER

A regular polygon is inscribed in a circle. How many sides does the

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

03 Jun 2015, 05:03

48

4

20,008

by: bumpbot

26 Jan 2023, 04:59

ER

To receive a driver license, sixteen year-olds at Culliver High School

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

iamba

01 Jul 2007, 09:43

83

15

19,984

by: bumpbot

23 Apr 2026, 08:57

ER

A drawer contains 36 socks, and 2 socks are selected at

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Economist

25 Oct 2009, 05:13

71

11

19,962

by: bumpbot

24 Feb 2025, 10:30

ER

The 9 squares above are to be filled with x's and o's, with only one

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

26 Apr 2019, 02:13

33

15

19,915

by: bumpbot

13 Oct 2024, 13:00

ER

What fraction of the square region in the figure above is shaded?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

fozzzy

27 Feb 2018, 10:41

24

6

19,913

by: bumpbot

06 Dec 2021, 09:43

ER

The symbol represents which one of the following operations: additio

555-605 (Medium) | Functions and Custom Characters

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

Bunuel

02 Aug 2018, 23:49

66

11

19,909

by: bumpbot

16 May 2023, 07:17

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

19,892

by: Bunuel

04 Jan 2026, 00:23

ER

For real numbers a and b, is it true that a = b?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

yudiwan

25 Jul 2016, 18:25

43

16

19,889

by: rxb266

04 Jul 2023, 02:15

ER

A dental licensure exam requires a 75% minimum score in orde

805+ (Hard) | Fractions and Ratios, Word Problems

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

goodyear2013

21 Jul 2021, 07:31

158

17

19,888

by: bumpbot

17 Dec 2025, 02:26

ER

What is the value of the positive integer n ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

03 Jan 2014, 06:17

39

10

19,883

by: bumpbot

25 Mar 2025, 08:59

ER

If Jim earns x dollars per hour, it will take him 4 hours to

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

1, 2

mojorising800

05 Jul 2011, 14:23

50

20

19,878

by: bumpbot

17 Dec 2025, 01:31

ER

Is |a-c| + |a| = |c|? (1) ab > bc (2) ab < 0

805+ (Hard) | Absolute Values, Inequalities

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

1, 2

RashedVai

18 Jul 2021, 07:22

283

21

19,850

by: bumpbot

02 Jan 2026, 05:08

ER

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

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

LamaSalah

27 Feb 2017, 07:17

75

19

19,832

by: bumpbot

22 May 2025, 07:26

ER

If 3x + 5 < x + 11, is x prime?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

1, 2

monir6000

20 Jan 2013, 05:30

98

20

19,831

by: bumpbot

06 Nov 2025, 10:57

ER

The three-digit positive integer n can be written as ABC, in which

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Bunuel

11 Nov 2014, 09:09

87

13

19,827

by: bumpbot

14 May 2025, 11:19

ER

Is x negative?

705-805 (Hard) | Exponents, Inequalities

705-805 (Hard) | Exponents, Inequalities hide tags

PrashantPonde

17 Feb 2013, 12:16

114

13

19,823

by: bumpbot

24 Nov 2025, 05:09

ER

Is rst = 1?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sudhagar

07 Nov 2013, 02:08

15

6

19,805

by: Bunuel

07 Nov 2013, 02:10

ER

Each term of set T is a multiple of 5, is the standard deviation of

555-605 (Medium) | Statistics and Sets Problems

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

Jivana

04 Sep 2009, 18:29

133

7

19,785

by: bumpbot

06 Jul 2025, 11:18

ER

A certain company currently has how many employees?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

justtapas

02 Nov 2012, 23:22

27

4

19,775

by: bumpbot

11 Apr 2026, 03:15

ER

On a company-sponsored cruise, 2/3 of the passengers were

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Walkabout

13 Dec 2012, 06:43

22

9

19,755

by: demawtf

19 Jun 2024, 06:48

ER

What percent of the students at Jefferson High School study

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

thinktank

23 Mar 2013, 12:32

22

7

19,745

by: bumpbot

01 Oct 2024, 01:54

ER

Buster leaves the trailer at noon and walks towards the studio at a co

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

Bunuel

17 Sep 2025, 04:05

160

7

19,731

by: bumpbot

13 Jul 2025, 21:04

ER

If x and y are negative numbers, is x<y?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

nitin6305

21 May 2023, 01:25

91

9

19,715

by: bumpbot

27 Sep 2024, 06:08

In the finite sequence of positive integers K1, K2, K3, ..., K9, each

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

warriorguy

09 Apr 2017, 09:23

31

5

19,713

by: bumpbot

29 Aug 2023, 08:19

ER

A line of people waiting to enter a theater consists of 7

555-605 (Medium) | Number Properties, Word Problems

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

Jamesk486

20 Sep 2025, 01:28

65

10

19,689

by: joshuaa77

08 Nov 2025, 11:08

ER

A certain alloy contains Lead, copper and tin. How many poun

505-555 (Easy) | Mixture Problems

505-555 (Easy) | Mixture Problems hide tags

rxs0005

11 Feb 2011, 09:14

51

8

19,685

by: bumpbot

11 Feb 2026, 08:52

ER

Is the integer x divisible by 36 ?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

14 Feb 2014, 01:58

37

9

19,674

by: totaltestprepNick

23 Feb 2026, 13:07

ER

Two socks are to be picked at random from a drawer containing only bla

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

19 May 2016, 03:10

13

4

19,671

by: bumpbot

10 Feb 2026, 10:53

ER

Points A, B, C and D lie on a circle of radius 1. Let x be

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

arjtryarjtry

01 Sep 2008, 04:33

142

16

19,657

by: bumpbot

17 Oct 2022, 13:31

ER

Is P the youngest of P,Q ,R and S?

Poor Quality

Poor Quality hide tags

siddharthamaridi

14 Nov 2012, 02:30

4

19,641

by: VeritasPrepRon

21 Mar 2013, 10:51

ER

A company bought 3 printers and 1 scanner. What was the price of the

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

21 Jun 2018, 10:13

10

9

19,629

by: bumpbot

01 Sep 2025, 05:51

ER

Is x/3 + 3/x > 2 (1) x < 3 (2) x > 1

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

DenisSh

26 Nov 2018, 03:38

123

17

19,628

by: bumpbot

07 Jul 2025, 10:01

ER

Two people are to be selected at random from a certain group that

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

asdfghjkl5271

06 Nov 2023, 18:16

176

14

19,622

by: Adit_

05 Apr 2026, 02:06

ER

Was the amount of John's heating bill for February greater than it was

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

24 Jun 2018, 20:35

27

8

19,588

by: NamDuong

19 Apr 2026, 21:42