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

78,704

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

188,513

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

487,922

by: bb

29 Aug 2025, 13:27

ER

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

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

29 Sep 2021, 01:00

15

6

5,295

by: unraveled

27 Aug 2024, 08:54

ER

A committee of 2 people is to be formed from a group of 8

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

MichelleSavina

22 Jan 2011, 03:06

118

12

24,009

by: bumpbot

29 Aug 2024, 21:17

ER

If x is a positive integer less than 30, is x odd?

655-705 (Hard) | Number Properties, Remainders

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

Bunuel

29 Sep 2015, 05:18

44

10

10,383

by: GMATBusters

30 Aug 2024, 08:17

ER

If some of the passengers of the boat Silver Trout board the

605-655 (Medium) | Percent and Interest Problems

605-655 (Medium) | Percent and Interest Problems hide tags

nidhi12

11 Jun 2014, 02:29

23

15

9,219

by: bumpbot

11 Sep 2024, 00:39

ER

Eleven members of Club A are also members of Club B, and five members

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

13 Feb 2015, 08:47

22

13

8,062

by: bumpbot

20 Sep 2024, 03:06

ER

Is (y - 3x)/(y - 2x) > 1?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

BrentGMATPrepNow

30 Jan 2017, 10:11

47

8

7,122

by: bumpbot

21 Sep 2024, 22:31

ER

In a taste test conducted for coffee brands X and Y, if each of the 1,

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

02 Oct 2015, 01:43

12

9,641

by: bumpbot

23 Sep 2024, 08:17

ER

Of all the houses on Kermit Lane, 20 have front porches, 20

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

LalaB

09 Oct 2013, 03:29

55

11

22,663

by: bumpbot

23 Sep 2024, 09:48

ER

Any decimal that has only a finite number of nonzero digits

555-605 (Medium) | Fractions and Ratios, Number Properties

555-605 (Medium) | Fractions and Ratios, Number Properties hide tags

1, 2

vscid

17 Feb 2010, 16:58

65

21

20,956

by: bumpbot

27 Sep 2024, 01:54

ER

The product of the units digit, the tens digit, and the hundreds digit

605-655 (Medium) | Fractions and Ratios, Number Properties

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

marcodonzelli

08 Oct 2014, 08:43

155

19

47,584

by: bumpbot

27 Sep 2024, 15:11

ER

In the xy-plane, the line k passes through the origin and through the

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

kilukilam

26 Jul 2010, 11:28

347

14

62,474

by: bumpbot

28 Sep 2024, 04:43

ER

50 animals competed for prizes at a certain fair. How many of the anim

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

TheUltimateWinner

03 Jun 2020, 13:27

3

8

3,076

by: bumpbot

01 Oct 2024, 02:20

ER

If F is the prime factorization of N!, how many factors in F have an e

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

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

Bunuel

09 Apr 2015, 07:33

57

13

14,829

by: bumpbot

01 Oct 2024, 23:41

ER

In the graph shown above, does sector E represent the

555-605 (Medium) | Graphs and Illustrations

555-605 (Medium) | Graphs and Illustrations hide tags

GMATBusters

16 Apr 2020, 01:18

5

9

4,395

by: bumpbot

11 Oct 2024, 09:43

ER

In the figure above, P and Q are centers of two identical circles. Is

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

stunn3r

25 Jun 2013, 05:15

49

19

10,792

by: bumpbot

11 Oct 2024, 22:45

ER

Is Quadrilateral ABCD a square? 1) Diagonals of ABCD cut at 90 degree

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

GMATinsight

25 Feb 2017, 05:51

44

10

6,055

by: bumpbot

11 Oct 2024, 23:00

ER

Is it true that x > 0?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

viktorija

30 Nov 2014, 16:40

89

14

14,966

by: bumpbot

13 Oct 2024, 04:30

ER

Is x less than 20?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

enigma123

20 Mar 2012, 09:07

95

14

44,761

by: bumpbot

16 Oct 2024, 06:58

ER

If x and y are positive integers, what is the remainder when x^y is

555-605 (Medium) | Exponents, Remainders

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

Bunuel

12 Jun 2015, 03:20

47

10

10,875

by: bumpbot

17 Oct 2024, 15:07

ER

At a particular moment, a restaurant has x biscuits and y

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

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

Stiv

12 May 2012, 03:49

63

11

13,798

by: bumpbot

19 Oct 2024, 19:38

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Is x positive? (1) 1/(x + 1) < 1 (2) (x - 1) is a perfect square.

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

jayoptimist

28 Jul 2012, 19:39

76

10

20,408

by: bumpbot

20 Oct 2024, 02:24

ER

What is the value of x + 7 ?

555-605 (Medium) | Absolute Values, Algebra

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

mehdiov

03 Apr 2013, 01:17

89

9

29,520

by: bumpbot

20 Oct 2024, 03:17

ER

If z is a non-negative integer, is 75/(z + 1) an integer?

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

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

Bunuel

04 Dec 2020, 05:53

18

7

5,865

by: bumpbot

20 Oct 2024, 04:08

ER

If x and y are integers and xy does not equal 0, is xy < 0?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

15 Oct 2014, 16:49

51

11

16,441

by: bumpbot

21 Oct 2024, 02:34

ER

Which of the positive numbers x or y is greater?

555-605 (Medium) | Algebra, Inequalities

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

Bunuel

03 Jul 2016, 10:53

94

10

27,680

by: KanikaJain

21 Oct 2024, 04:18

ER

Is x+1 a factor of 12?

555-605 (Medium) | Multiples and Factors

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

agnok

09 Sep 2010, 10:20

31

19

10,515

by: bumpbot

21 Oct 2024, 13:15

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

26,328

by: bumpbot

21 Oct 2024, 21:21

ER

Is triangle ABC isosceles?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

anilnandyala

09 Dec 2010, 07:22

97

11

11,579

by: bumpbot

23 Oct 2024, 04:55

ER

Triangle ABC is inscribed in a rectangle ABEF forming two right triang

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

EgmatQuantExpert

28 Feb 2017, 03:58

63

15

7,345

by: bumpbot

23 Oct 2024, 05:52

ER

If 243^x*463^y = n, where x and y are positive integers

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

anilnandyala

02 Oct 2010, 04:44

148

7

23,396

by: bumpbot

26 Oct 2024, 08:39

ER

Is y an integer? (1) y^3 is an integer (2) 3y is an integer

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

subhajeet

10 Feb 2012, 05:21

40

6

18,818

by: bumpbot

29 Oct 2024, 00:57

ER

Is mn<10?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Srav

11 Oct 2015, 00:23

64

12

13,837

by: bumpbot

29 Oct 2024, 23:17

ER

In the quilting pattern shown above, a small square has its vertices o

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

AbdurRakib

01 Jul 2016, 05:43

126

14

25,235

by: bumpbot

31 Oct 2024, 09:52

ER

Is abc/d an integer if a, b, c, and d are positive integers? (1) (a +

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Kritisood

19 Jul 2020, 08:29

16

10

5,952

by: bumpbot

01 Nov 2024, 23:26

ER

If M is a finite set of negative integers, is the total number of inte

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

ivyph

18 Aug 2012, 10:35

88

11

38,071

by: bumpbot

09 Nov 2024, 09:57

ER

On the coordinate plane is point (0, 0) closer to point (u,

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

arjtryarjtry

05 May 2023, 12:14

59

10

10,981

by: bumpbot

10 Nov 2024, 01:14

ER

R = 1 + 2xy + x^2y^2, what is the value of xy?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

satishreddy

03 Sep 2015, 07:37

103

14

43,213

by: bumpbot

20 Nov 2024, 11:44

ER

Which of Company X and Company Y earned the greater gross profit last

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

maybeam

05 Jun 2019, 05:03

106

18

36,494

by: bumpbot

21 Nov 2024, 01:20

ER

x and y are positive integers, is x=y ?

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

kamathimanshu

17 Aug 2015, 03:49

77

18

16,867

by: bumpbot

21 Nov 2024, 01:48

ER

Is a even? (1) 2a is even. (2) a^(1/2) is even.

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

cyberjadugar

28 May 2023, 11:29

24

12

8,703

by: bumpbot

24 Nov 2024, 00:47

ER

Set A consists of a series of unique numbers. When added together, the

805+ (Hard) | Statistics and Sets Problems

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

anceer

25 Nov 2014, 21:44

31

11

7,989

by: bumpbot

29 Nov 2024, 07:07

ER

Lines m and n lie in the xy-plane and intersect at the point (-2; 4).

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

dreambeliever

30 Nov 2011, 21:37

93

12

19,289

by: bumpbot

30 Nov 2024, 04:01

ER

A museum sold 30 tickets on Saturday. Some of the tickets

655-705 (Hard) | Inequalities, Word Problems

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

BDSunDevil

11 Jun 2012, 08:14

31

12

12,150

by: bumpbot

30 Nov 2024, 23:06

ER

Is the product of a and b equal to 1?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 Oct 2019, 05:42

42

12

12,677

by: bumpbot

07 Dec 2024, 05:24

ER

If the unit digit of the positive integer n is 5, what is the tens dig

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

20 Aug 2020, 02:37

32

18

11,777

by: bumpbot

09 Dec 2024, 10:11

ER

Is |x y| < |x| + |y|?

655-705 (Hard) | Absolute Values, Inequalities

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

venmic

08 Aug 2012, 22:08

54

15

9,693

by: bumpbot

13 Dec 2024, 04:13

ER

If 0 < a < b, is c < 0? (1) cb < ca (2) a – b > c

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

06 Jun 2017, 11:28

17

5

7,807

by: bumpbot

13 Dec 2024, 08:09

ER

If xy < zy < 0, is y positive? 1. x < z 2. x is negative

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

shasadou

08 Jan 2016, 09:41

62

16

15,572

by: jamiedimonn

16 Dec 2024, 05:54

ER

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

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

07 Jan 2014, 05:22

19

8

22,254

by: bumpbot

25 Dec 2024, 12:55

ER

Three points T, U and V on the number line have coordinates t, u, and

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

mbaspire

20 Apr 2016, 16:32

253

11

44,180

by: bumpbot

27 Dec 2024, 02:53