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

78,624

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

188,460

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

487,843

by: bb

29 Aug 2025, 13:27

ER

If x and y are greater than 0, is x = 1 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

PhillyBound

13 Aug 2011, 17:09

146

10

43,232

by: bumpbot

10 Mar 2025, 03:59

ER

If x^2 = y + 5 , y = z - 2 and z = 2x , is x^3 + y^2 + z

805+ (Hard) | Algebra, Multiples and Factors

805+ (Hard) | Algebra, Multiples and Factors hide tags

study

13 Jun 2010, 09:11

146

15

36,329

by: bumpbot

23 Jan 2025, 12:32

ER

Is x/m*(m^2+n^2+k^2)=xm+yn+zk?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

heyholetsgo

19 Aug 2010, 03:29

146

7

28,824

by: KanikaJain

21 Oct 2024, 04:28

ER

A box contains only red chips, white chips, and blue chips.

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

Walkabout

14 Dec 2012, 05:19

145

7

41,734

by: bumpbot

14 Jan 2026, 04:29

ER

What is the value of x?

805+ (Hard) | Algebra, Number Properties

805+ (Hard) | Algebra, Number Properties hide tags

shan123

01 Jan 2011, 01:32

145

18

22,158

by: bumpbot

29 Aug 2025, 08:13

ER

At a restaurant, a group of friends ordered four main dishes

805+ (Hard) | Min-Max Problems

805+ (Hard) | Min-Max Problems hide tags

thebigr002

11 Sep 2012, 06:10

145

17

32,116

by: bumpbot

19 Jun 2025, 08:42

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Is (x + 1)/(y + 1) > x/y? (1) 0 < x < y (2) xy > 0

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

1, 2

Bunuel

24 Jun 2018, 11:13

145

27

40,389

by: bumpbot

20 Mar 2025, 19:11

ER

Is x > y ? (1) x + y > x − y (2) 3x > 2y

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Carcass

26 Jul 2017, 08:53

145

14

26,322

by: bumpbot

21 Oct 2024, 21:21

ER

If the base score is between 10 and 99, the bonus is equal

805+ (Hard) | Arithmetic, Word Problems

805+ (Hard) | Arithmetic, Word Problems hide tags

shekar123

02 Jun 2010, 22:05

144

7

20,267

by: Stella5200

02 Jan 2026, 07:07

ER

If n is the least of three different integers greater than 1, what is

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Carcass

27 Jul 2017, 08:00

144

17

26,533

by: bumpbot

01 Nov 2025, 01:29

ER

If Q is a set of consecutive integers, what is the standard

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

CharuKapoor

24 Nov 2019, 02:36

144

12

16,399

by: bumpbot

29 Sep 2025, 08:17

ER

Kevin, Leo, and Max each received a monetary award for their work on

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

12922

25 Oct 2023, 23:59

144

5

24,886

by: Bunuel

28 Jun 2025, 11:11

ER

A large flower arrangement contains 3 types of flowers: carnations, li

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

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

gmatt1476

21 Sep 2019, 18:58

144

10

20,935

by: bumpbot

27 May 2025, 09:11

ER

The average (arithmetic mean) of 5 distinct, single digit integers is

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

qweert

24 Jul 2017, 06:30

144

12

34,736

by: bumpbot

20 Feb 2025, 09:16

ER

When opened and lying flat, a birthday card is in the shape of a regul

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

gmatt1476

21 Sep 2019, 18:21

144

19

18,255

by: bumpbot

06 Sep 2024, 11:53

ER

A report consisting of 2,600 words is divided into 23 paragr

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Walkabout

18 Dec 2012, 08:01

143

13

28,275

by: totaltestprepNick

04 Mar 2026, 10:59

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

11,518

by: miag

28 Jan 2026, 20:10

ER

The number of antelope in a certain herd increases every

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

jananijayakumar

26 Aug 2010, 02:40

143

17

34,171

by: Natansha

11 Dec 2025, 10:51

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Is x less than y? (1) x - y + 1 < 0 (2) x - y - 1 < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

banksy

21 Sep 2019, 16:38

143

13

30,350

by: bumpbot

02 Sep 2025, 12:01

ER

How many triangles can be formed using 8 points in a given p

555-605 (Medium) | Combinations, Geometry

555-605 (Medium) | Combinations, Geometry hide tags

1, 2

CasperMonday

23 Aug 2009, 05:46

143

27

43,394

by: bumpbot

31 Aug 2025, 21:35

ER

Five coffee-chicory blends - J, K, L, M, and N - are all priced

705-805 (Hard) | Non-Math Related +2 tags

705-805 (Hard) | Non-Math Related, Statistics and Sets Problems, Word Problems hide tags

GMATCoachBen

06 Feb 2024, 18:30

143

9

14,342

by: goaltop30mba

31 Jul 2025, 15:32

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Is the number x positive?

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

rrsnathan

18 Sep 2013, 06:15

143

17

24,912

by: bumpbot

17 Jun 2025, 13:14

ER

In the figure above, a circle is tangent to a pair of opposite sides o

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

shasadou

16 May 2016, 23:39

143

14

41,589

by: bumpbot

23 Dec 2023, 19:25

ER

The three sides of triangle have length p, q and r, each an integer.

805+ (Hard) | Algebra, Geometry

805+ (Hard) | Algebra, Geometry hide tags

giobas

22 Mar 2017, 10:02

143

18

12,933

by: bumpbot

21 Mar 2023, 22:18

ER

What is the value of y?

805+ (Hard) | Algebra +2 tags

805+ (Hard) | Algebra, Arithmetic, Roots hide tags

GGMU

24 Jun 2016, 08:21

143

18

15,007

by: bumpbot

18 Sep 2022, 11:16

ER

In the parallelogram shown, what is the value of x?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

25 Oct 2015, 09:12

142

13

35,536

by: bumpbot

10 Jan 2026, 04:19

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If p is a prime number greater than 2, what is the value of p ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

1, 2

aljatar

28 Mar 2010, 05:56

142

20

62,874

by: bumpbot

30 Dec 2025, 09:12

ER

A sports team played 100 games last season. Did this team

655-705 (Hard) | Min-Max Problems, Overlapping Sets

655-705 (Hard) | Min-Max Problems, Overlapping Sets hide tags

WoundedTiger

27 Jul 2014, 11:05

142

13

22,229

by: bumpbot

02 Oct 2025, 06:36

ER

Is (x^7)(y^2)(z^3) > 0 ? (1) yz < 0 (2) xz > 0

705-805 (Hard) | Exponents, Inequalities

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

TheGmatTutor

20 Oct 2013, 11:56

142

12

27,952

by: bumpbot

02 Jul 2025, 14:22

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

19,655

by: bumpbot

17 Oct 2022, 13:31

ER

In the picture, quadrilateral ABCD is a parallelogram and

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

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

enigma123

22 Jul 2013, 06:13

142

16

46,785

by: Foreheadson

14 Jun 2021, 09:09

ER

GMAT Club Olympics 2025 (Day 1): Ann and Bob each randomly select an

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

1, 2...6, 7

Bunuel

30 Jun 2025, 08:00

141

138

6,144

by: UfuomaOh

01 Jul 2025, 08:18

ER

The figure above represents the floor plan of an art gallery that has

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

19 Sep 2022, 08:36

140

13

25,729

by: Adit_

08 Apr 2026, 05:17

ER

If x is an integer, is x|x|<2^x ?

Sub 505 (Easy) | Absolute Values +2 tags

Sub 505 (Easy) | Absolute Values, Algebra, Inequalities hide tags

1, 2

cucrose

17 Jan 2007, 16:27

140

26

57,082

by: poojaarora1818

24 Feb 2026, 11:32

ER

If xyz > 0, is x > 0? (1) xy > 0 (2) xz > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

DestinyChild

10 Jan 2010, 19:31

140

18

47,672

by: bumpbot

31 Dec 2025, 04:42

ER

Workers A, B, and C, working at their individual constant rates, can

655-705 (Hard) | Work and Rate Problems

655-705 (Hard) | Work and Rate Problems hide tags

guddo

30 May 2024, 12:24

140

16

13,351

by: NEYR0N

01 Nov 2025, 11:49

ER

If m and n are integers, is m odd?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

zisis

14 Jul 2010, 13:44

140

17

32,532

by: kendragoran

04 Oct 2025, 11:49

ER

When all the boxes in a warehouse were arranged in stacks of 8, there

655-705 (Hard) | Remainders, Word Problems

655-705 (Hard) | Remainders, Word Problems hide tags

Bunuel

26 Sep 2025, 21:45

140

13

31,371

by: Bunuel

26 Sep 2025, 21:46

ER

What is the value of x? 1) x^2 + x + 10 = 16 2) x = 4y^4+2y^2+2

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

GMAT4937

26 Jan 2016, 14:15

140

17

25,021

by: bumpbot

20 Jul 2025, 17:31

ER

George has a total of B books in his library, 25 of which are hardcove

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

Bunuel

16 Jun 2016, 03:47

140

16

39,921

by: SillyCat

29 Jun 2025, 18:06

ER

In a class of 21, how many scored above the class average (arithmetic

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

Bunuel

02 Aug 2023, 10:00

140

11

29,450

by: jmaxr

16 Jun 2025, 12:11

ER

Christa, Jada, and Yvette were swimming laps at an outdoor swimming

805+ (Hard) | Distance and Speed Problems

805+ (Hard) | Distance and Speed Problems hide tags

ekwok

30 Dec 2023, 06:29

140

7

14,510

by: sbyongid

28 May 2025, 02:01

ER

What is the positive integer n?

705-805 (Hard) | Multiples and Factors, Number Properties

705-805 (Hard) | Multiples and Factors, Number Properties hide tags

enigma123

01 Oct 2012, 05:47

140

16

32,754

by: bumpbot

17 May 2025, 09:26

ER

A bigger circle (with center A) and a smaller circle (with center B) a

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

EgmatQuantExpert

21 May 2020, 01:27

140

13

15,920

by: bumpbot

01 Jun 2023, 08:28

ER

Seven integers, x1, x2, x3, x4, x5, x6, and x7, are picked at random f

605-655 (Medium) | Remainders, Statistics and Sets Problems

605-655 (Medium) | Remainders, Statistics and Sets Problems hide tags

Mspixel

04 Dec 2008, 13:31

139

15

35,672

by: bumpbot

21 Jan 2026, 07:01

ER

In the figure above, what is the ratio KN/MN?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

rxs0005

05 Jun 2015, 04:18

139

8

34,760

by: bumpbot

15 Jan 2026, 15:15

ER

Five consecutive positive integers are chosen at random

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

christykarunya

19 Sep 2013, 05:06

139

11

21,336

by: bumpbot

09 Sep 2025, 07:31

ER

If sets A and B have the same number of terms, is the

655-705 (Hard) | Statistics and Sets Problems

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

Smita04

20 May 2012, 22:48

139

17

25,745

by: bumpbot

28 Aug 2025, 03:09

ER

The integers n and t are positive and n > t > 1. How many

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

LalaB

31 Mar 2012, 07:34

139

8

18,222

by: SmileAndSolve

13 Jun 2025, 03:04

ER

To arrive at its destination on time, a bus should have maintained

805+ (Hard) | Distance and Speed Problems

805+ (Hard) | Distance and Speed Problems hide tags

Bunuel

14 Aug 2023, 09:37

138

18

20,917

by: Vivek1707

03 Apr 2026, 04:53