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

78,663

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

188,481

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

487,878

by: bb

29 Aug 2025, 13:27

ER

What is the value of the integer K? (1) K is a 3-digit prime number.

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

AkshdeepS

27 Mar 2019, 01:36

1

2

1,702

by: Archit3110

27 Mar 2019, 08:31

ER

If a > 0, is a > 1? (1) a*b > a + b (2) a/b > b/a

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

TheUltimateWinner

17 Mar 2019, 08:43

1

1,259

by: IanStewart

17 Mar 2019, 12:20

Which of X, X^2, and 1/X has the least value? 1). X>0 2). X< 1

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PriyankaPalit7

17 Mar 2019, 07:17

1

995

by: PKN

17 Mar 2019, 08:50

ER

Is 1/x-y<y-x?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

TheUltimateWinner

07 Mar 2019, 09:50

1

3

1,547

by: chetan2u

07 Mar 2019, 23:09

ER

What is the area of right triangle ABC? (1) Side B is 7*2^(1/2) units

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

05 Mar 2019, 05:24

1

3

1,373

by: namanjain555

05 Mar 2019, 12:22

ER

When defined, the expression (x^2-y^2)/(xy)-(xy-y^2)/(xy-x^2) is equal

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

fskilnik

03 Mar 2019, 14:28

1

2

1,407

by: fskilnik

03 Mar 2019, 16:28

ER

Is x > 1? (1) 2x + 5 > 2 - x (2) |x - 12| = 12 - 3x

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

fitzpratik

04 Feb 2019, 08:01

1

6

2,148

by: Archit3110

03 Mar 2019, 04:40

ER

In the diagram below, triangle ABC is right-angled at B. D and E are

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

17 Jul 2017, 23:32

1

3

2,390

by: energetics

01 Mar 2019, 11:10

ER

If P and Q are circular regions, what is the sum of their areas?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

17 Sep 2018, 22:06

1

3

1,606

by: ccooley

28 Feb 2019, 19:00

ER

Triangle ABC is equilateral and inscribed in the circle with center O.

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

fskilnik

12 Feb 2019, 06:58

1

3

2,803

by: ocelot22

21 Feb 2019, 11:02

ER

Given three different integers, does the exponential quantity (a − b)

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

31 Jan 2016, 07:20

1

2

1,936

by: KanishkM

14 Feb 2019, 07:25

ER

If ABCD is a rectangle, what is the value of y+z ?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

fskilnik

13 Feb 2019, 18:16

1

2

1,745

by: fskilnik

14 Feb 2019, 05:51

ER

What is the arithmetic mean of a data set with twenty data values, eac

555-605 (Medium) | Statistics and Sets Problems

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

kingjoffrey69

30 Jan 2019, 08:47

1

6

2,092

by: Princ

01 Feb 2019, 06:42

ER

You are given the data set {14, 35, 44, 47, 49, 49, 50, 51, 56, N}, wh

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

Bunuel

31 Jan 2019, 01:42

1

2

1,318

by: EgmatQuantExpert

31 Jan 2019, 07:44

ER

Give the arithmetic mean of A and B.

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

31 Jan 2019, 01:37

1

2

1,202

by: EgmatQuantExpert

31 Jan 2019, 07:31

ER

If x > 0, what is the value of x ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

13 Dec 2015, 05:19

1

4

3,231

by: KanishkM

29 Jan 2019, 20:52

A list of numbers 'L' has 5 integers not necessarily distinct. Is the

655-705 (Hard) | Statistics and Sets Problems

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

amanvermagmat

22 Jan 2019, 22:47

1

2

1,602

by: Archit3110

23 Jan 2019, 04:03

Two distinct positive integers P and R have a product of 90. What is

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

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

amanvermagmat

13 Jan 2019, 22:09

1

3

1,218

by: Archit3110

14 Jan 2019, 02:27

ER

In the triangle shown y < z. If j < x < k, what is the least value of

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

13 Apr 2018, 01:46

1

4

2,116

by: ChristianMPT

12 Jan 2019, 10:13

ER

The function a#b may be defined axb or a^b; what is the value of p#q?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

ExpertsGlobal

18 Apr 2017, 16:15

1

7

2,280

by: KanishkM

28 Dec 2018, 21:32

ER

What is the circumference of circle O?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

23 Jun 2016, 02:06

1

9

3,444

by: Krabhay

18 Dec 2018, 23:44

ER

In the given figure ABCD is a rectangle, where CD = 10cm. Find the are

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

GMATBusters

15 Dec 2018, 10:20

1

2,223

by: shashankism

16 Dec 2018, 09:51

ER

If j is a positive integer, is (j^3-27)^2) (j^3+1)^3) odd?

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EncounterGMAT

14 Dec 2018, 05:27

1

1,063

by: Bunuel

14 Dec 2018, 05:22

ER

Is 3 a factor of the integer x? (1) 3 is a factor of 5x (2) 3 is a fac

505-555 (Easy) | Multiples and Factors

505-555 (Easy) | Multiples and Factors hide tags

Bunuel

11 Dec 2018, 01:38

1

3

1,237

by: Mo2men

11 Dec 2018, 12:46

ER

What is the median of the number of theater tickets sold in a day over

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

11 Dec 2018, 01:21

1

1,450

by: EgmatQuantExpert

11 Dec 2018, 03:39

ER

What is the value of n? 3n + 2m = 18 n – m = 2n – (4 + m)

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

19 May 2016, 03:23

1

3

13,557

by: bumpbot

10 Dec 2018, 04:30

What is the area of triangle ABC? (1) Height AD on side BC

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

amanvermagmat

06 Dec 2018, 01:34

1

998

by: u1983

06 Dec 2018, 03:04

ER

△ is one operation of addition, subtraction, multiplication, or divisi

Sub 505 (Easy) | Functions and Custom Characters

Sub 505 (Easy) | Functions and Custom Characters hide tags

MathRevolution

31 Aug 2017, 01:24

1

5

2,251

by: kapstone1996

04 Dec 2018, 09:33

ER

If X and Y are positive integer, what is the number of factors of A

605-655 (Medium) | Multiples and Factors

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

fitzpratik

01 Dec 2018, 20:55

1

1,513

by: ccooley

03 Dec 2018, 14:59

ER

X and Y are two numbers such that |X|=|Y|. What is the sum

605-655 (Medium) | Absolute Values

605-655 (Medium) | Absolute Values hide tags

amanvermagmat

30 Nov 2018, 04:01

1

2,026

by: DavidTutorexamPAL

30 Nov 2018, 04:07

ER

A cinema studio has 3 screens: A, B and C. Each of these 3 screens run

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

amanvermagmat

28 Nov 2018, 01:51

1

2

2,188

by: souvikgmat1990

28 Nov 2018, 10:58

ER

What is n ? (1) n = 25^(1/2) (2) n^2 = 25

505-555 (Easy) | Algebra, Number Properties

505-555 (Easy) | Algebra, Number Properties hide tags

Bunuel

19 Nov 2018, 00:12

1

2

1,252

by: DavidTutorexamPAL

20 Nov 2018, 02:23

ER

The average of two numbers is 108. What is the value of the greater nu

Sub 505 (Easy) | Algebra, Fractions and Ratios

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

Bunuel

19 Nov 2018, 00:05

1

2

1,558

by: DavidTutorexamPAL

20 Nov 2018, 02:02

ER

What is the value of x – y ? (1) x = y + 3 (2) x^2 − 2xy + y^2 = 9

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

19 Nov 2018, 00:20

1

5

1,552

by: KSBGC

19 Nov 2018, 04:35

ER

What is the value of n? (1) n^(1/2) = 2 (2) (4n)^(1/2) = 4

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATBusters

01 Nov 2018, 07:54

1

4

4,649

by: KSBGC

16 Nov 2018, 10:57

ER

What is the value of the integer p ? (1) p is a prime factor of 33.

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

15 Nov 2018, 05:26

1

3

1,708

by: Nighat Bano

16 Nov 2018, 02:55

ER

If m and n are integers, and m is a multiple of 5, is mn a multiple of

555-605 (Medium) | Multiples and Factors

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

Bunuel

15 Nov 2018, 05:21

1

3

2,346

by: Salsanousi

15 Nov 2018, 05:52

ER

If x and z are integers, how many even integers y are there such that

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

15 Nov 2018, 05:30

1

3

1,753

by: Salsanousi

15 Nov 2018, 05:42

ER

If x&y = x^2 − 2y, what is the value of a&2 ?

555-605 (Medium) | Functions and Custom Characters

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

Bunuel

13 Nov 2018, 02:13

1

4

2,146

by: Archit3110

13 Nov 2018, 04:55

ER

In the XY-plane, what is the slope of line m?

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

12 Nov 2018, 00:37

1

2

1,738

by: Archit3110

12 Nov 2018, 03:10

ER

If circles A and B are concentric, what is the ratio of the area of th

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

02 Sep 2018, 22:09

1

2

1,413

by: GMAT215

10 Nov 2018, 10:37

ER

A circular pipe falls from the back of a truck and rolls. If the pipe

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

02 Sep 2018, 22:10

1

2

1,399

by: GMAT215

10 Nov 2018, 10:34

ER

If x > 0, is y > 0? (1) 2y < 7x (2) y > −x

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

05 Nov 2018, 00:18

1

2

2,124

by: Mo2men

06 Nov 2018, 03:41

ER

If x ≠ 0, is x^2 < |x|? (1) x < 1 (2) x > −1

555-605 (Medium) | Absolute Values, Inequalities

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

Bunuel

05 Nov 2018, 00:17

1

2

1,774

by: Mo2men

06 Nov 2018, 03:36

ER

In the figure below, PQRS is a rectangle. What is the area of the semi

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

06 Nov 2018, 01:36

1

1,864

by: saurabh9gupta

06 Nov 2018, 02:16

ER

If the total price for n copies of a book is $31.5, what is the per

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

gmatretest

07 Mar 2016, 01:45

1

3

2,053

by: fskilnik

05 Nov 2018, 19:53

ER

If x and y are positive, is 3x > 8y? (1) x − y > 4 (2) x > 14y/5

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

05 Nov 2018, 00:23

1

1,733

by: DavidTutorexamPAL

05 Nov 2018, 02:25

ER

If ab ≠ 0, what is the value of 1/a + 1/b ? (1) a + b = -1 (2) ab = 6

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

01 Nov 2018, 00:06

1

2

2,043

by: Bunuel

01 Nov 2018, 02:08

ER

If x^3 < x^2, is x < 0 ?

605-655 (Medium) | Absolute Values, Inequalities

605-655 (Medium) | Absolute Values, Inequalities hide tags

AnisMURR

31 Oct 2018, 01:45

1

3

1,844

by: GMATinsight

31 Oct 2018, 20:24

ER

If xy 0, is x/y < 0?

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janani28

06 Oct 2014, 09:35

1

3

4,703

by: Carcass

31 Oct 2018, 11:44