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

78,657

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

188,480

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

487,874

by: bb

29 Aug 2025, 13:27

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

43,211

by: bumpbot

20 Nov 2024, 11:44

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

10,979

by: bumpbot

10 Nov 2024, 01:14

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

38,069

by: bumpbot

09 Nov 2024, 09:57

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

5,951

by: bumpbot

01 Nov 2024, 23:26

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 mn<10?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Srav

11 Oct 2015, 00:23

64

12

13,835

by: bumpbot

29 Oct 2024, 23:17

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

18,811

by: bumpbot

29 Oct 2024, 00:57

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

23,393

by: bumpbot

26 Oct 2024, 08:39

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

7,342

by: bumpbot

23 Oct 2024, 05:52

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

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

26,323

by: bumpbot

21 Oct 2024, 21:21

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

10,512

by: bumpbot

21 Oct 2024, 13:15

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

27,672

by: KanikaJain

21 Oct 2024, 04:18

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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

16,437

by: bumpbot

21 Oct 2024, 02:34

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

5,861

by: bumpbot

20 Oct 2024, 04:08

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

29,500

by: bumpbot

20 Oct 2024, 03:17

ER

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

20,406

by: bumpbot

20 Oct 2024, 02:24

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

13,797

by: bumpbot

19 Oct 2024, 19:38

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

10,874

by: bumpbot

17 Oct 2024, 15:07

ER

Is x less than 20?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

enigma123

20 Mar 2012, 09:07

95

14

44,756

by: bumpbot

16 Oct 2024, 06:58

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

14,965

by: bumpbot

13 Oct 2024, 04:30

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

6,052

by: bumpbot

11 Oct 2024, 23:00

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

10,791

by: bumpbot

11 Oct 2024, 22:45

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

4,391

by: bumpbot

11 Oct 2024, 09:43

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

14,826

by: bumpbot

01 Oct 2024, 23:41

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

3,075

by: bumpbot

01 Oct 2024, 02:20

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

62,461

by: bumpbot

28 Sep 2024, 04:43

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

47,580

by: bumpbot

27 Sep 2024, 15:11

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

20,952

by: bumpbot

27 Sep 2024, 01:54

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

22,661

by: bumpbot

23 Sep 2024, 09:48

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

9,640

by: bumpbot

23 Sep 2024, 08:17

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

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

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

9,216

by: bumpbot

11 Sep 2024, 00:39

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

10,382

by: GMATBusters

30 Aug 2024, 08:17

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 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

5,294

by: unraveled

27 Aug 2024, 08:54

ER

On the scale drawing of a certain house plan if 1 centimeter represent

Sub 505 (Easy) | Fractions and Ratios, Geometry

Sub 505 (Easy) | Fractions and Ratios, Geometry hide tags

AbdurRakib

01 Jul 2016, 07:02

119

16

29,756

by: bumpbot

24 Aug 2024, 02:39

ER

In the rectangular coordinate system above, if ΔOPQ and ΔQRS have equa

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

06 Oct 2016, 05:17

77

14

21,392

by: bumpbot

24 Aug 2024, 02:38

ER

In the figure above, AB, which has length z cm, is tangent to the

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Carcass

26 Jul 2017, 09:00

182

19

27,154

by: bumpbot

20 Aug 2024, 09:26

ER

Find the units digit of 556^17n + 339^(5m+15n), where m and n are

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

EgmatQuantExpert

16 Dec 2016, 02:03

11

6

3,756

by: bumpbot

18 Aug 2024, 00:13

ER

If x and y are integers such that x < y < 0 what is x - y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

shawndx

08 Mar 2012, 22:04

59

12

24,600

by: bumpbot

16 Aug 2024, 05:07

ER

If n is a positive integer, is n^3 - n divisible by 24?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

Bunuel

20 Mar 2022, 03:00

5

7

4,770

by: bumpbot

16 Aug 2024, 03:58

ER

If y is a positive integer is root(y) an integer?

605-655 (Medium) | Number Properties, Roots

605-655 (Medium) | Number Properties, Roots hide tags

rxs0005

26 Jan 2011, 06:17

76

12

15,276

by: bumpbot

21 Jul 2024, 06:18

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

Let T(n) represent the number of prime numbers less than n. What is th

655-705 (Hard) | Functions and Custom Characters, Number Properties

655-705 (Hard) | Functions and Custom Characters, Number Properties hide tags

Bunuel

03 Dec 2019, 01:28

11

10

3,453

by: bumpbot

03 Jul 2024, 00:40

ER

If n is a positive integer, is n 1 divisible by 3?

705-805 (Hard) | Multiples and Factors

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

Bunuel

19 Jun 2015, 02:12

47

10

11,628

by: Prakruti_Patil

22 Jun 2024, 03:53

ER

If w + x + y = 42, what is the value of wxy?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

CONSULTINGDREAMER

29 Aug 2015, 01:52

7

11

3,941

by: bumpbot

13 Jun 2024, 20:08

ER

On the number line above, is the product of w, x, y and z negative?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

CLIMBTHELADDER

25 Feb 2016, 08:45

39

9

21,152

by: bumpbot

31 May 2024, 04:53

ER

If a, b & c are integers, is abc odd?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Abhi077

27 Sep 2018, 07:50

3

5

3,608

by: bumpbot

29 May 2024, 19:49