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

179

15

79,093

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,734

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

488,304

by: bb

29 Aug 2025, 13:27

ER

Of the students who attend a library, each student either likes

555-605 (Medium) | Statistics and Sets Problems

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

nkmungila

11 Oct 2017, 21:58

4

1

5,047

by: Bunuel

11 Oct 2017, 22:03

ER

Does (x^2 - y^2)^(1/2) = x + y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 Oct 2017, 23:50

4

2

1,955

by: kaulshanx

07 Oct 2017, 09:30

ER

If x and y are integers, what is the ratio of 3y to x?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

01 Jun 2016, 04:32

4

10

4,203

by: bumpbot

21 Sep 2017, 10:58

ER

How long is MN?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

31 Jan 2016, 08:19

4

2

1,990

by: Nunuboy1994

06 Sep 2017, 23:40

ER

If x ≠ 0, is x > 1?

555-605 (Medium) | Absolute Values, Inequalities

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

Bunuel

21 May 2017, 11:18

4

3

2,199

by: streetking

31 Aug 2017, 09:20

ER

What is the remainder when the positive integer x is divided by 31?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

14 Aug 2017, 03:51

4

6

2,872

by: ScottTargetTestPrep

24 Aug 2017, 13:37

ER

Is 70/7^n an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

chetan2u

03 May 2016, 04:48

4

2

2,017

by: bumpbot

24 Aug 2017, 07:22

ER

If a and b are integers and a*b=2, is a>b?

605-655 (Medium) | Inequalities, Number Properties

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

chetan2u

15 Jul 2017, 21:54

4

2,111

by: stonecold

14 Aug 2017, 04:54

ER

A room is to be painted by Jane and Sally working together. How long w

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

Sajjad1994

07 Apr 2017, 12:07

4

5

4,168

by: gps5441

25 Jul 2017, 02:47

ER

Is (a^2 + b^2)^1/2 an integer

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

jedit

05 Jul 2017, 00:14

4

2

2,166

by: jedit

05 Jul 2017, 00:00

ER

If A, B and C are positive integers, what is the value of A?

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

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

chetan2u

05 Apr 2016, 07:55

4

3

2,241

by: bumpbot

22 Jun 2017, 11:51

ER

A shopkeeper purchased two TV sets A and B at the same price

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bkpolymers1617

14 Jun 2017, 08:39

4

6

3,671

by: kkrrsshh

17 Jun 2017, 00:00

ER

In a chore, a girl is to be selected at random to sing

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GMATwizApp

26 May 2017, 04:15

4

1,734

by: GMATwizApp

27 May 2017, 05:25

ER

What is the remainder when x is divided by 9?

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papagorgio

19 May 2017, 08:02

4

3

3,079

by: papagorgio

19 May 2017, 08:02

ER

What is the perimeter of triangle MNO?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

17 Jan 2016, 11:28

4

7

3,345

by: bumpbot

13 May 2017, 07:50

If xy = -9, what is the value

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

ganand

05 May 2017, 06:49

4

2

2,109

by: niks18

05 May 2017, 21:15

ER

n=9.94l6,what digit is l?

555-605 (Medium) | Arithmetic, Fractions and Ratios

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

VyshakhR1995

26 Apr 2017, 01:38

4

1

2,280

by: Bunuel

26 Apr 2017, 01:40

ER

Triangle ABC is an isosceles triangle with AB = AC and AD is the perpe

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

EgmatQuantExpert

07 Aug 2018, 04:36

4

9,739

by: EgmatQuantExpert

27 Mar 2017, 05:20

ER

Is y – z < x – z?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

27 Feb 2017, 04:29

4

5

2,126

by: JeffTargetTestPrep

23 Mar 2017, 17:02

ER

Is ab positive?

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ashwink

08 Mar 2017, 06:04

4

8

6,409

by: ScottTargetTestPrep

15 Mar 2017, 16:24

ER

Is m divisible by n?

555-605 (Medium) | Multiples and Factors

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

vikasp99

07 Mar 2017, 03:37

4

2

1,717

by: ScottTargetTestPrep

09 Mar 2017, 17:18

ER

Carol and Joe went apple picking. Who picked more apples?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Sajjad1994

02 Mar 2017, 05:58

4

2,799

by: JeffTargetTestPrep

06 Mar 2017, 18:17

ER

A foot race will be held on Saturday. How many different arrangements

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Sajjad1994

24 Feb 2017, 13:33

4

1

7,398

by: mikemcgarry

24 Feb 2017, 17:52

ER

At a restaurant, Luis left a tip for his waiter equal to 20 percent of

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Sajjad1994

22 Feb 2017, 03:27

4

2

5,949

by: BrentGMATPrepNow

22 Feb 2017, 08:20

ER

What is the sum a+b+c?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

08 Feb 2017, 09:24

4

6

2,977

by: Bunuel

12 Feb 2017, 01:10

ER

For each home sold in County X, the buyer and the seller each must pay

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

anairamitch1804

10 Feb 2017, 11:25

4

1

4,673

by: mikemcgarry

10 Feb 2017, 17:56

ER

If x is w% of y% of z, what percent of y is x?

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

Bunuel

21 Jan 2017, 04:11

4

5

3,185

by: Harambe

24 Jan 2017, 10:58

ER

If m, n and p are distinct digits and their product is another distinc

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

08 Jan 2017, 08:06

4

2,813

by: vitaliyGMAT

08 Jan 2017, 12:23

ER

Is the range of the integers 4, 7, x, 6, 5, y greater than 9

555-605 (Medium) | Statistics and Sets Problems

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

HBSdetermined

01 Sep 2013, 05:25

4

4,249

by: stonecold

21 Dec 2016, 21:43

ER

Is x an integer ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

pllgl

24 Nov 2016, 02:46

4

2,525

by: Bunuel

24 Nov 2016, 02:50

ER

In the diagram above, what is the length of MP if LNOQ is a

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

shanewyatt

26 Jan 2010, 14:29

4

6,029

by: bumpbot

22 Nov 2016, 12:37

ER

261,634,24x If x represents the units digit of the number above, what

605-655 (Medium) | Multiples and Factors

605-655 (Medium) | Multiples and Factors hide tags

Bunuel

02 Jun 2016, 11:59

4

3

3,049

by: stonecold

19 Nov 2016, 02:31

ER

What is the value of two-digit integer x?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

02 Oct 2015, 01:45

4

6

8,575

by: bumpbot

18 Nov 2016, 10:55

ER

An estate of $216,000 is divided equally among p people who must each

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

09 Feb 2015, 06:31

4

6

3,004

by: bumpbot

10 Nov 2016, 13:37

ER

In the figure, O is the center of the circle of radius 3, an

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

smartyman

24 Jun 2014, 07:58

4

5

3,965

by: KarishmaB

20 Oct 2016, 22:53

ER

Is |xy| ≥ 1?

555-605 (Medium) | Absolute Values, Inequalities

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

Rca

18 Oct 2014, 08:33

4

2

2,862

by: bumpbot

06 Sep 2016, 04:22

ER

In triangle ABC above, if ∠BAD and ∠ADB have measures of 2n°, and if

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

29 Aug 2016, 03:59

4

3

2,617

by: rohit8865

05 Sep 2016, 20:50

ER

What is the median of 15 integers?

555-605 (Medium) | Statistics and Sets Problems

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

stunn3r

25 Jun 2013, 05:30

4

12

7,390

by: bumpbot

24 Aug 2016, 00:56

ER

Is -3x^3 < -3?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

21 Jan 2015, 03:03

4

6

3,258

by: DAllison2016

04 Aug 2016, 12:25

ER

A circle and a straight line are drawn on the same coordinate graph.

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

27 Aug 2022, 03:19

4

8

3,369

by: LogicGuru1

19 Jul 2016, 10:56

ER

Is the sum of 6 integers odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

LM

19 Sep 2017, 09:21

4

3

3,979

by: bumpbot

14 Jun 2016, 20:52

ER

If the points A, B, and C are distinct, are line segments AB and AC th

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

12 Nov 2014, 10:03

4

6

7,345

by: rhine29388

19 May 2016, 13:05

ER

Stations M and N are connected by two separate, straight and parallel

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

geometric

28 Apr 2016, 13:59

4

1

4,920

by: Bunuel

28 Apr 2016, 14:24

ER

892,132,24x If x represents the units digit of the number a

555-605 (Medium) | Multiples and Factors

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

atalpanditgmat

14 Jun 2013, 11:39

4

5,371

by: Lastlap2016

26 Apr 2016, 22:56

ER

What is the area of the trapezoid?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

GMATDemiGod

08 Dec 2015, 11:38

4

2,915

by: Vinayprajapati

15 Mar 2016, 22:51

ER

Is a>b?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

LukinoF

09 Nov 2013, 11:30

4

6

3,174

by: bumpbot

12 Dec 2015, 04:08

ER

Is xy = -1 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sugu86

27 May 2014, 00:54

4

7

4,622

by: bumpbot

08 Aug 2015, 10:37

ER

What is the units digit of integer s? (1) The units digit of

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dreambeliever

07 Jun 2011, 08:05

4

18

3,952

by: Harley1980

19 Jun 2015, 12:33

ER

If r and s are non-negative, what is the ratio of r to s?

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anulfc

14 Jun 2015, 15:40

4

10

4,919

by: IanStewart

16 Jun 2015, 14:54

ER

If x and y are positive, does (x-2)(y-3)=6?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

19 Jan 2015, 05:46

4

3,397

by: Bunuel

26 Jan 2015, 05:28