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

78,630

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

188,466

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

487,848

by: bb

29 Aug 2025, 13:27

ER

The figure above shows Line L, Circle 1 with center at C1, and Circle

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

03 Aug 2018, 10:38

199

15

25,536

by: egmat

20 Jan 2023, 06:11

ER

If a and b are both positive integers, is a^2b^2 divisible by 8?

555-605 (Medium) | Multiples and Factors, Number Properties

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

Bunuel

23 Apr 2015, 03:49

11

15

6,805

by: bumpbot

08 Dec 2022, 06:52

ER

The figure above shows a construction plan for the intersect

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

fozzzy

17 Jan 2013, 07:25

60

15

17,223

by: bumpbot

24 Nov 2022, 08:30

ER

If a = b, and c = d, is |a| = |c|?

505-555 (Easy) | Absolute Values

505-555 (Easy) | Absolute Values hide tags

Bunuel

23 Feb 2016, 02:54

21

15

6,474

by: bumpbot

09 Nov 2022, 04:06

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If a^2b^2c^3 = 4500. Is b + c = 7?

805+ (Hard) | Algebra +2 tags

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

MichelleSavina

22 Jan 2011, 01:11

50

15

11,016

by: bumpbot

12 Oct 2022, 12:34

ER

What is the value of product abc?

705-805 (Hard) | Exponents, Number Properties

705-805 (Hard) | Exponents, Number Properties hide tags

VeritasPrepBrian

09 Jul 2013, 23:16

40

15

8,072

by: bumpbot

29 Aug 2022, 07:38

ER

If ab - 2b = (4 - a)b, what is the value of b? (1) |a^2 - 9| ≤ 0 (2)

805+ (Hard) | Absolute Values +2 tags

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

Bunuel

03 Jul 2020, 01:59

29

15

7,306

by: bumpbot

10 Aug 2022, 11:57

ER

If n and y are positive integers and n represents the number of differ

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

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

Bunuel

26 Jan 2015, 05:43

19

15

4,862

by: bumpbot

26 Jul 2022, 17:14

ER

If y^k/y^5k = m, what is k?

805+ (Hard) | Exponents

805+ (Hard) | Exponents hide tags

Bunuel

03 Sep 2017, 06:21

50

15

5,938

by: bumpbot

24 Mar 2022, 03:34

ER

How many factors does x have, if x is a positive integer ?

555-605 (Medium) | Multiples and Factors

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

Bunuel

17 Nov 2014, 12:29

31

15

9,635

by: bumpbot

22 Mar 2022, 09:56

ER

If n is a positive integer greater than 2, what is the value of n ?

805+ (Hard) | Exponents, Number Properties

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

Bunuel

17 Jan 2020, 00:02

20

15

5,697

by: bumpbot

09 Mar 2022, 19:30

ER

If x^3 < x^2, what is the value of the integer x?

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

31 Aug 2018, 23:00

12

15

6,155

by: bumpbot

08 Feb 2022, 07:34

ER

If x, y and z are positive integers, and y and z are factors of x^2

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

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

Bunuel

03 Feb 2020, 02:16

21

15

3,735

by: bumpbot

28 Dec 2021, 03:42

ER

The three integers X, Y, and Z. Is their product XYZ = zero

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stolyar

26 Jun 2003, 04:07

1

15

4,992

by: bumpbot

24 Dec 2021, 03:24

ER

Lines a and b have different y-intercepts. When line a is

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

bhandariavi

20 Mar 2011, 17:15

23

15

8,661

by: bumpbot

30 Nov 2021, 06:26

ER

Is 9 the HCF of p and q?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

GMATBusters

23 May 2020, 19:09

21

15

5,399

by: Fdambro294

04 Nov 2021, 00:38

ER

Are the digits A and B consecutive integers?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

chetan2u

28 Jun 2020, 04:41

19

15

3,300

by: Crytiocanalyst

17 Sep 2021, 10:35

ER

A tank is filled with gasoline to a depth of exactly 2 feet. The tank

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

GMATBusters

28 Mar 2020, 19:07

10

15

4,997

by: GMATBusters

07 Sep 2021, 05:33

ER

If three circles having radii 1, 2, and 3 respectively lie o

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

bmwhype2

19 Feb 2014, 00:19

32

15

12,482

by: bumpbot

05 Sep 2021, 19:48

triangle A has one side of lenght x. if x^4=81 what is the

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

AnkitK

08 May 2011, 05:39

29

15

14,363

by: KavyaVijay

20 Aug 2021, 12:16

ER

Find the unit digit of 19^x + 27^y ?

805+ (Hard) | Exponents, Number Properties

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

GMATinsight

27 Jun 2020, 23:19

4

15

3,628

by: soumyarajpoddar

30 Jul 2021, 22:02

ER

if at least one of p, q, r is an integer, is p+q+r even?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

GMATBusters

04 Jan 2020, 20:07

8

15

8,739

by: ShaggiShow09

13 Jun 2021, 10:26

ER

For each day at sea a sailor is paid a fixed sum. For each day ahead

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

24 Oct 2019, 22:28

15

3,903

by: bumpbot

20 Apr 2021, 14:59

ER

If P, Q, R, and S are all integers, is product PQRS even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

17 Feb 2016, 03:13

8

15

9,170

by: Bunuel

01 Nov 2020, 01:46

ER

Is 10 – 6x < 0 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

nidhi12

04 Jun 2014, 07:53

6

15

5,177

by: bumpbot

05 Sep 2020, 08:43

ER

If points A, B, C, and D are points on the circumference of the circle

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

12 Dec 2018, 03:51

12

15

5,728

by: chetan2u

25 Aug 2020, 19:33

ER

If N, C, and D are positive integers, what is the remainder

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

kingb

06 Nov 2012, 18:35

27

15

8,452

by: Anurag06

07 Feb 2020, 10:53

ER

Is x > x ^3 ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

rxs0005

28 Jan 2011, 05:59

19

15

7,012

by: bumpbot

27 Jan 2020, 17:11

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Is m^n a perfect square?

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barryseal

01 Dec 2018, 06:24

5

15

1,832

by: barryseal

03 Dec 2018, 00:11

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If x + y = 10, is x = 4? (1) y is not 6. (2) y is 4.

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

30 Jul 2015, 10:42

12

15

3,125

by: bumpbot

21 Nov 2018, 19:41

ER

Is f < g?

705-805 (Hard) | Absolute Values, Inequalities

705-805 (Hard) | Absolute Values, Inequalities hide tags

Bunuel

14 Aug 2016, 07:11

10

15

7,586

by: bumpbot

18 Sep 2018, 05:39

ER

How many days after the purchase of Product X does its stand

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Stiv

13 Mar 2025, 10:39

26

15

11,359

by: GMATGuruNY

19 Aug 2018, 03:30

ER

Two Tangent circles A and B have radii r1 and r2, respectively. What

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

21 Jan 2015, 02:46

42

15

12,403

by: Samuelboyle96

09 Aug 2017, 14:19

ER

What is the value of a^2 - 2a + b^2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

EBITDA

12 Jul 2016, 09:26

2

15

2,255

by: HARRY113

12 Jul 2016, 21:14

ER

A certain sum was invested in a high-interest bond for which

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punyadeep

16 Mar 2011, 07:49

31

15

14,904

by: bumpbot

19 Nov 2014, 11:32

ER

What is the value of x^2+ 5x +4?

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Poor Quality hide tags

nkimidi7y

05 Sep 2012, 12:30

4

15

5,299

by: AbhiJ

31 Oct 2012, 12:56

ER

12 Days of Christmas GMAT Competition - Day 10: Three ethanol-water

655-705 (Hard) | Mixture Problems

655-705 (Hard) | Mixture Problems hide tags

Bunuel

27 Dec 2024, 09:00

26

14

4,270

by: bumpbot

20 Apr 2026, 05:30

ER

Rachel is throwing a die with sides numbered consecutively

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Macedon

10 Nov 2013, 04:15

85

14

13,103

by: bumpbot

17 Apr 2026, 12:46

ER

[y] denotes the greatest integer less than or equal to y. Is d < 1?

555-605 (Medium) | Algebra, Functions and Custom Characters

555-605 (Medium) | Algebra, Functions and Custom Characters hide tags

Bunuel

20 Feb 2014, 01:14

364

14

48,443

by: bumpbot

16 Apr 2026, 09:43

ER

Martha bought an armchair and a coffee table at an action and sold bot

605-655 (Medium) | Percent and Interest Problems, Word Problems

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

nonameee

10 Jan 2012, 04:05

280

14

51,054

by: luisdicampo

15 Apr 2026, 07:48

ER

For a certain set of n numbers, where n > 1, is the average (arithmeti

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

26 Feb 2014, 02:24

137

14

30,869

by: ankushsambare

14 Apr 2026, 02:16

ER

Set T is an infinite sequence of positive integers. A

655-705 (Hard) | Statistics and Sets Problems

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

stardustsparklin

07 Jan 2005, 16:41

20

14

9,347

by: Advait01

07 Apr 2026, 10:22

ER

Two people are to be selected at random from a certain group that

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

asdfghjkl5271

06 Nov 2023, 18:16

176

14

19,620

by: Adit_

05 Apr 2026, 02:06

ER

Each person on a committee with 40 members voted for exactly one of 3

605-655 (Medium) | Arithmetic, Min-Max Problems

605-655 (Medium) | Arithmetic, Min-Max Problems hide tags

boomtangboy

01 Apr 2012, 05:29

174

14

30,614

by: bumpbot

02 Apr 2026, 06:33

For a convention, a hotel charges a daily room rate of $120

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

mikegao

17 Oct 2008, 10:31

102

14

30,848

by: bumpbot

29 Mar 2026, 19:17

ER

If the drama club and music club is combined, what percent of the comb

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

mydreambschool

21 Feb 2011, 05:23

214

14

24,791

by: JustKeepGoing

27 Mar 2026, 07:54

ER

In a multiple-choice test, each question is followed by n options.

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Bunuel

17 Jul 2017, 23:17

26

14

5,366

by: yashhw

26 Mar 2026, 23:14

ER

At Western Springs School there are 150 total students

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

maglian

04 Jan 2013, 05:04

31

14

12,373

by: iamjatinagrawal

20 Mar 2026, 04:38

ER

If x is a positive integer, then is x prime? (1) 3x + 1 is prime

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

11 Mar 2026, 11:02

404

14

64,170

by: totaltestprepNick

11 Mar 2026, 10:58

ER

For the students in class A, the range of their heights is r centimete

555-605 (Medium) | Statistics and Sets Problems, Word Problems

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

BANON

23 Feb 2012, 08:12

269

14

55,706

by: totaltestprepNick

04 Mar 2026, 11:28