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

79,697

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

858

24

188,975

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

488,673

by: bb

29 Aug 2025, 13:27

ER

Is x > 10?

555-605 (Medium) | Absolute Values, Algebra

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

vitorpteixeira

07 Oct 2017, 11:55

7

5

2,468

by: bumpbot

24 Apr 2019, 03:31

If p and q are composite integers, is p/q an integer?

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

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

Amrita2405

14 Apr 2019, 10:35

11

5

2,671

by: JDF

24 Apr 2019, 20:34

ER

If M=P*Q, where P and Q are different positive integers,

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

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

yaj

08 Aug 2013, 11:13

22

5

5,942

by: bumpbot

25 Apr 2019, 12:35

ER

ABCD is a square, and EFGH is a square, each vertex of which is on a s

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

mikemcgarry

27 May 2016, 17:05

7

5

7,232

by: Akash777

26 Apr 2019, 20:19

ER

In the rectangle coordinate system, triangle ABC has a

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

eladshush

04 Oct 2010, 06:27

6

5

5,960

by: bumpbot

29 Apr 2019, 23:29

ER

If x is a positive integer, is x odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

12 Apr 2016, 02:32

4

5

2,611

by: bumpbot

02 May 2019, 19:02

ER

If Set Q contains only positive integers, is the average (arithmetic

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

05 May 2019, 23:43

5

2,689

by: baru

07 May 2019, 07:03

ER

In the figure above, what is the largest rectangle that can

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EncounterGMAT

28 Apr 2019, 11:16

4

5

1,903

by: Rakesh1987

12 May 2019, 22:03

ER

If P & Q are integers such that |P|Q=4|P|Q=4 , is P negative? (1) |P|+

705-805 (Hard) | Absolute Values, Algebra

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

niteshwaghray

23 May 2017, 00:59

17

5

2,667

by: bumpbot

17 May 2019, 05:57

When integer A divide by 9 remainder is X, when integer B divided by 9

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Harley1980

22 Apr 2015, 02:05

12

5

3,229

by: bumpbot

17 May 2019, 09:28

ER

Is Area of the Triangle ABC ≥ 24? 1) Two sides of the triangle are 6

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

GMATinsight

03 Dec 2017, 02:40

2

5

1,931

by: bumpbot

26 May 2019, 02:07

ER

Does line k pass through center of the circle? (1) The circle inters

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

Bunuel

02 Apr 2019, 03:23

3

5

2,980

by: KarishmaB

04 Jun 2019, 23:47

ER

If n is a positive integer with k digits, what is the value of n?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

10 Jan 2017, 03:55

2

5

2,484

by: bumpbot

10 Jun 2019, 22:05

ER

If y is positive, what is the value of x ?

555-605 (Medium) | Absolute Values, Algebra

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

Bunuel

17 Sep 2017, 05:24

3

5

2,531

by: bumpbot

14 Jun 2019, 03:43

ER

If w1x1=y1z1, w2x2=y2z2, and w2<w1, i

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

MathRevolution

24 Feb 2016, 22:13

4

5

3,434

by: bumpbot

17 Jun 2019, 12:46

ER

Does the sum of the prices, not including sales tax, of three chairs

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

07 May 2018, 03:04

4

5

1,607

by: kapstone1996

18 Jun 2019, 09:28

ER

If the product of the digits of a two-digit number x is 12, what is

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

13 Apr 2016, 05:32

4

5

3,021

by: Archit3110

21 Jun 2019, 09:08

ER

If x is not equal to zero, is 1/x > 1 ? (1) y/x > y (2) x^3 > x^2

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

21 Dec 2018, 02:24

1

5

2,438

by: CareerGeek

21 Jun 2019, 12:36

ER

Four values from a data set of 5 elements are 10, 10, 11, and 11. What

605-655 (Medium) | Statistics and Sets Problems

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

MathRevolution

01 May 2018, 06:04

1

5

3,675

by: BelalHossain046

28 Jun 2019, 10:37

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Is m a multiple of n? 1) 2m is a multiple of n 2) n divided

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TheUltimateWinner

27 Jun 2019, 10:09

3

5

1,384

by: Arro44

30 Jun 2019, 11:53

ER

Is the integer k a prime number? (1) k + 1 is prime. (2) k + 2 is not

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

14 Jul 2019, 23:05

2

5

1,578

by: SwamyGali18

15 Jul 2019, 00:03

Is one of P or Q a fraction?

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JayPatadiya

15 Jul 2019, 01:14

1

5

1,091

by: Palladin

17 Jul 2019, 00:51

ER

What is the perimeter of a rhombus? (1) Its area is 140 square meter

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

10 Dec 2018, 03:08

8

5

1,823

by: gmatapprentice

20 Jul 2019, 06:49

ER

If a > b, how much greater than b is a ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

AbdurRakib

27 Aug 2015, 11:46

3

5

7,359

by: reach2sangram

21 Jul 2019, 22:23

ER

Is X positive? (1) 15X > 16X (2) X + 15 > 0

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

31 Jul 2019, 10:13

1

5

2,489

by: Kinshook

31 Jul 2019, 10:37

If n is a positive integer, is n a multiple of 121?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

freedom128

21 Aug 2019, 13:20

33

5

2,318

by: Kinshook

01 Aug 2019, 01:24

ER

The graph above shows the curve of f(x). A, B, and C are three points

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

19 Jul 2019, 01:00

5

2,272

by: RajatVerma1392

08 Aug 2019, 01:03

ER

Is it true that x – z > y – z ? (1) xz > yz (2) x + z > y + z

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

09 Aug 2019, 02:47

1

5

1,983

by: freedom128

09 Aug 2019, 16:43

ER

In the Figure above, O is the center of a semicircle, and p

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

NateTheGreat11

05 Sep 2013, 10:00

5

3,967

by: bumpbot

11 Aug 2019, 18:55

In triangle ABC, if AB = a, BC = b + 1/2, and AC = b, which of the

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apblanker

16 Sep 2017, 06:04

3

5

3,372

by: Sayon

15 Aug 2019, 05:01

ER

Is angle M = 90?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Xin Cho

18 Aug 2019, 08:38

1

5

2,180

by: Xin Cho

19 Aug 2019, 10:41

ER

If x and y are positive integers, is

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

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

mikemcgarry

14 May 2013, 11:21

14

5

4,942

by: MathRevolution

25 Aug 2019, 09:33

ER

Is s = r?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Aug 2016, 06:57

6

5

4,665

by: bumpbot

31 Aug 2019, 07:11

ER

If ab >0, is (ab)^2 < (ab)^(1/2) ?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Abhi077

16 Feb 2019, 03:18

9

5

2,668

by: exc4libur

31 Aug 2019, 09:32

ER

If p, q and r are digits, is (p + q + r) a multiple of 9? (1) The thr

555-605 (Medium) | Multiples and Factors

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

Bunuel

12 Aug 2019, 01:21

2

5

2,386

by: MathRevolution

31 Aug 2019, 17:29

ER

What is the value of x? (1) 5x - 3 = 7 (2) x/10 = 1/5

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATBusters

04 Dec 2018, 07:10

5

4,304

by: TheNightKing

04 Sep 2019, 17:06

ER

What is the cube root of z? (1) The 5th root of z is 243. (2) The 25

Sub 505 (Easy) | Roots

Sub 505 (Easy) | Roots hide tags

Bunuel

14 Aug 2019, 01:22

5

3,553

by: Bunuel

10 Sep 2019, 01:23

ER

What is the value of non-negative integer m?

555-605 (Medium) | Inequalities, Number Properties

555-605 (Medium) | Inequalities, Number Properties hide tags

Bunuel

25 Dec 2016, 02:42

1

5

2,851

by: bumpbot

10 Sep 2019, 09:45

ER

In the xy-plane above, is angle QPR a right angle? (1) Line segment P

Sub 505 (Easy) | Coordinate Plane, Geometry

Sub 505 (Easy) | Coordinate Plane, Geometry hide tags

Bunuel

14 Aug 2019, 01:30

5

2,151

by: Bunuel

12 Sep 2019, 20:44

ER

A circular well is constructed within a circular garden. The circumfer

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

15 Aug 2019, 01:15

1

5

1,621

by: Bunuel

17 Sep 2019, 02:39

ER

The player of a certain game drew a number of cards from a deck in whi

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

16 Aug 2019, 03:00

1

5

1,780

by: Bunuel

18 Sep 2019, 01:09

ER

In the expression above, if yn ≠ 0, what is the value of m?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

19 Aug 2019, 01:03

4

5

2,036

by: Bunuel

18 Sep 2019, 01:24

ER

Is 3^m less than 2,000? (1) 3^(m + 1) > 2,000 (2) 3^(m - 1) = 3^m -

555-605 (Medium) | Exponents, Inequalities

555-605 (Medium) | Exponents, Inequalities hide tags

Bunuel

20 Aug 2019, 02:15

1

5

1,410

by: Bunuel

19 Sep 2019, 02:16

ER

By what percent did the median annual cost of health insurance in City

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

14 Nov 2014, 09:48

3

5

3,822

by: bumpbot

25 Sep 2019, 05:19

ER

What is the rate, in cubic meters per minute, at which water is flowin

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

03 Oct 2019, 21:05

7

5

5,466

by: exc4libur

04 Oct 2019, 03:24

ER

In rhombus ABCD, what is angle BCD?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

17 Jan 2016, 12:24

7

5

3,610

by: bumpbot

06 Oct 2019, 10:09

ER

Three brothers – Maurice, Larry and Curly – bought their parents an an

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

15 Oct 2019, 02:34

1

5

1,018

by: CareerGeek

15 Oct 2019, 05:44

ER

Is x+y>0?

655-705 (Hard) | Absolute Values, Inequalities

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

rajarshee

24 Sep 2015, 02:08

22

5

3,187

by: crack1991

16 Oct 2019, 21:10

ER

The set S contains n integers. Is the sum of all the elements of set S

505-555 (Easy) | Number Properties, Statistics and Sets Problems

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

Bunuel

20 Dec 2015, 05:35

1

5

4,444

by: merajul

16 Oct 2019, 22:48

ER

What is the value of 4n – 5m?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

13 Dec 2015, 05:27

4

5

5,835

by: bumpbot

17 Oct 2019, 20:54