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

78,674

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

188,494

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

487,886

by: bb

29 Aug 2025, 13:27

ER

When the positive integer n is divided by 25, the remainder

505-555 (Easy) | Remainders

505-555 (Easy) | Remainders hide tags

combres

15 Sep 2007, 11:19

44

15

23,777

by: totaltestprepNick

24 Feb 2026, 13:32

ER

At what speed was a train traveling on a trip when it had

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

Walkabout

21 Jul 2013, 11:32

213

15

54,807

by: totaltestprepNick

02 Mar 2026, 08:23

ER

In a survey of 200 college graduates, 30 percent said they

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

udaymathapati

26 Sep 2010, 11:47

159

15

51,327

by: totaltestprepNick

03 Mar 2026, 13:02

ER

If m and n are consecutive positive integers, is m greater than n ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

12 Feb 2014, 02:04

89

15

24,786

by: totaltestprepNick

04 Mar 2026, 11:34

ER

Is the standard deviation of ages of students in class A greater than

505-555 (Easy) | Statistics and Sets Problems

505-555 (Easy) | Statistics and Sets Problems hide tags

snoor

03 Jun 2008, 01:01

22

15

11,148

by: bumpbot

10 Mar 2026, 08:55

ER

Yesterday, an automobile dealership sold exactly 15 vehicles

705-805 (Hard) | Statistics and Sets Problems, Word Problems

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

madhavsrinivas

24 Dec 2013, 02:12

173

15

24,694

by: bumpbot

06 Apr 2026, 06:11

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Sheldon left his house at 8:30 a.m. and drove to his friend's house

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

03 Aug 2023, 10:00

165

15

31,341

by: Usernamevisible

09 Apr 2026, 11:42

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

118

15

27,637

by: Harsh_

11 Apr 2026, 01:33

ER

Michael arranged all his books in a bookcase with 10 books on each she

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

10 Feb 2014, 00:27

280

15

42,268

by: bumpbot

22 Apr 2026, 13:00

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

19,994

by: bumpbot

23 Apr 2026, 08:57

ER

A certain 13m ladder is resting against a wall of height X

Poor Quality

Poor Quality hide tags

rathoreaditya81

05 Dec 2009, 11:51

4

16

4,821

by: kundankshrivastava

19 May 2014, 23:42

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If xy = 12, what is the value of x – y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

14 Apr 2015, 05:02

14

16

20,702

by: Sumo23

21 Mar 2017, 07:36

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If lines y=mx+b and x=y+bm intersect at a degrees angle

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Marcab

16 Nov 2012, 05:26

45

16

13,678

by: EMPOWERgmatRichC

25 Jun 2018, 20:30

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

The radii of two circles are 2 inches and 4 inches, respecti

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

atalpanditgmat

16 Jun 2013, 04:47

7

16

4,313

by: bumpbot

11 Aug 2019, 22:35

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Is standard deviation of Set A > the standard deviation of Set B? 1)

555-605 (Medium) | Statistics and Sets Problems

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

GMATinsight

11 Aug 2018, 22:47

17

16

5,195

by: bumpbot

28 Dec 2019, 08:57

ER

If 49 < x < 54 what is the value of x? (1) x is not a prime number.

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

02 Apr 2020, 01:18

14

16

3,575

by: preetamsaha

03 Apr 2020, 19:46

ER

If xy > 0 and both x and y are even numbers, is x > y?

805+ (Hard) | Absolute Values, Inequalities

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

chetan2u

10 Sep 2018, 20:29

19

16

3,174

by: bumpbot

16 Apr 2020, 22:03

ER

If x≠0, is |x|<1? (1) x^2/|x| > x

805+ (Hard) | Absolute Values, Inequalities

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

BillyZ

18 Feb 2017, 05:24

40

16

5,764

by: Bunuel

15 May 2020, 09:30

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What is the value of b? (1) b(b - 8) = -16 (2) (b + 4)^2 = 64

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

01 Jul 2020, 01:37

14

16

5,148

by: monikakumar

01 Jul 2020, 20:02

ER

if a^2 * a^b = a^z ,

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

GMATBusters

11 Jul 2020, 19:16

19

16

2,503

by: Kinshook

14 Jul 2020, 10:17

ER

2^(x+y)/2^(x-y)=?

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

MathRevolution

12 Jul 2016, 19:05

14

16

9,554

by: bumpbot

31 Jul 2020, 21:37

ER

In the xy plane point P (m,n) and point Q (n,m) what is the

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

rxs0005

22 Sep 2010, 13:07

31

16

8,528

by: bumpbot

06 Sep 2020, 06:58

ER

If M < N, is M^2-MN < 0?

805+ (Hard) | Algebra, Inequalities

805+ (Hard) | Algebra, Inequalities hide tags

GMATBeast

24 Dec 2013, 23:11

17

16

5,505

by: bumpbot

06 Oct 2020, 23:27

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

46,789

by: Foreheadson

14 Jun 2021, 09:09

ER

xz < 0? 1) |x+y| = |x| + |y| 2) |y+z| = |y| + |z|

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

MathRevolution

06 Nov 2017, 23:07

43

16

4,725

by: Archit3110

15 Jul 2021, 01:39

ER

If R is an integer, is R evenly divisible by 3?

555-605 (Medium) | Multiples and Factors

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

Bunuel

03 Apr 2015, 04:50

8

16

9,845

by: bumpbot

24 Feb 2022, 14:03

ER

In a certain class, the ratio of girls to boys is 5:4. How many girls

655-705 (Hard) | Fractions and Ratios

655-705 (Hard) | Fractions and Ratios hide tags

Dhairya275

22 Sep 2013, 13:57

36

16

30,279

by: WheatyPie

14 Mar 2022, 02:49

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

The equation of line k is y = mx + b, where m and b are some constants

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

TwoThrones

29 Apr 2014, 12:21

56

16

12,506

by: bumpbot

29 Sep 2022, 00:04

ER

If a, b and c are integers such that b > a, is b+c > a

805+ (Hard) | Geometry, Inequalities

805+ (Hard) | Geometry, Inequalities hide tags

sondenso

10 Aug 2012, 00:22

112

16

40,207

by: bumpbot

07 Oct 2022, 20:29

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

What is the equation of the line k that is perpendicular to line y = 2

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

gmatcraze

29 Aug 2008, 09:49

21

16

9,820

by: Bunuel

10 Mar 2023, 04:30

ER

Is y = 7?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

09 Mar 2016, 13:34

14

16

5,899

by: bumpbot

14 Mar 2023, 12:43

ER

A noncompressible ball in the shape of a sphere is to be passed throug

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

26 Apr 2019, 03:06

57

16

16,528

by: bumpbot

17 Mar 2023, 11:59

ER

If x < p < q < y. Is |q - x| < |q - y|?

805+ (Hard) | Absolute Values, Inequalities

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

jamifahad

11 Jul 2013, 01:37

29

16

10,200

by: bumpbot

25 Mar 2023, 22:58

ER

Is x=square root of x^2?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

ITMRAHUL

04 Dec 2012, 03:01

27

16

10,184

by: bumpbot

19 Jun 2023, 09:57

ER

If 3^a*4^b = c, what is the value of b? (1) 5^a = 25 (2) c = 36

655-705 (Hard) | Algebra, Exponents

655-705 (Hard) | Algebra, Exponents hide tags

nusmavrik

10 Dec 2010, 01:00

63

16

13,443

by: bumpbot

20 Jun 2023, 06:36

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

19,892

by: rxb266

04 Jul 2023, 02:15

ER

Common Mistakes in Geometry Questions - Exercise Question #1

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

EgmatQuantExpert

07 Aug 2018, 04:09

30

16

15,434

by: bumpbot

18 Jul 2023, 23:15

ER

The length, width, and height of a rectangular box, in centimeters, ar

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

26 Apr 2019, 03:25

131

16

48,084

by: Nrj0601

22 Jul 2023, 01:36

ER

ABC is a right triangle with right angle at point B. If the ratio of

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

21 May 2015, 04:59

32

16

11,770

by: unraveled

22 Jul 2023, 02:51

ER

Point Q lies in the interior of a particular circle.

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

WoundedTiger

13 Jul 2014, 12:09

45

16

16,211

by: bumpbot

05 Aug 2023, 10:14

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

20,183

by: bumpbot

06 Aug 2023, 05:44

ER

Is quadrilateral ABCD a rectangle? (1) Two opposite sides of ABCD are

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

10 Mar 2021, 01:15

8

16

4,360

by: bumpbot

07 Aug 2023, 07:26

ER

What is the length of chord AB in circle O above?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

maxLRok

06 Dec 2012, 06:14

17

16

10,463

by: Vibhatu

18 Aug 2023, 06:15

ER

If Car X followed Car Y across a certain bridge that is 1/2 mile long,

705-805 (Hard) | Word Problems, Work and Rate Problems

705-805 (Hard) | Word Problems, Work and Rate Problems hide tags

GMATBusters

11 Apr 2020, 18:56

10

16

4,384

by: bumpbot

28 Aug 2023, 09:07

ER

E, F, G, and H are the vertices of a polygon. Is polygon EFGH a square

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

jscott319

28 Nov 2010, 13:18

59

16

23,432

by: bumpbot

24 Sep 2023, 19:09

ER

Is x > y ? (1) x = 4y^2 (2) x > 1

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

AbhiJ

14 May 2012, 11:34

40

16

18,374

by: bumpbot

03 Oct 2023, 19:44

ER

The numbers a, b, and c are all positive. If b^2 - c^2 = 17, then wha

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

23 Feb 2015, 03:34

27

16

13,617

by: VivekSri

11 Oct 2023, 20:36