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

78,823

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

856

24

188,583

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

488,025

by: bb

29 Aug 2025, 13:27

ER

If x is equal to one of the numbers 1/4, 3/8, or 2/5, what is the valu

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

24 Sep 2018, 08:31

30

4

15,759

by: Adit_

25 Feb 2026, 06:15

ER

12 Days of Christmas GMAT Competition - Day 5: Amy and Beth, both work

705-805 (Hard) | Work and Rate Problems

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

Bunuel

18 Dec 2022, 07:00

30

8

6,665

by: MS26

26 Feb 2026, 09:21

ER

If n + k = m, what is the value of k ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

13 Aug 2012, 07:10

30

6

26,321

by: totaltestprepNick

26 Feb 2026, 13:08

ER

$10,000 is deposited in a certain account that pays r percent annual

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

quantum

10 May 2020, 11:32

30

12

26,683

by: bumpbot

27 Feb 2026, 17:33

ER

Linda, Robert, and Pat packed a certain number of boxes with books. Wh

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

15 Jul 2018, 21:17

30

5

10,320

by: totaltestprepNick

02 Mar 2026, 07:31

ER

If Sara's age is exactly twice Bill's age, what is Sara's ag

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Walkabout

18 Dec 2012, 07:43

30

9

21,556

by: totaltestprepNick

04 Mar 2026, 10:43

ER

12 Days of Christmas GMAT Competition - Day 12: Set A consists of 50

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

Bunuel

25 Dec 2020, 19:00

30

9

4,884

by: bumpbot

20 Mar 2026, 22:30

ER

This table lists enrollment in an afterschool program by act

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

kuttingchai

29 May 2013, 00:56

30

4

5,129

by: bumpbot

01 May 2026, 05:05

ER

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

Poor Quality

Poor Quality hide tags

punyadeep

16 Mar 2011, 07:49

31

15

14,908

by: bumpbot

19 Nov 2014, 11:32

ER

(n-x)+(n-y)+(n-z)+(n-k) What is the value of the expression above?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

19 Nov 2017, 09:15

31

4

15,141

by: akshayk

21 Nov 2017, 12:17

ER

Is x^3 - 6x^2 + 11x - 6 < 0

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

kumar83

04 Sep 2013, 23:52

31

9

13,766

by: rahul0909

23 Sep 2019, 08:24

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

8,533

by: bumpbot

06 Sep 2020, 06:58

ER

If x, y, and z are integers, with x < y< x, what is the average

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

18 Nov 2014, 08:26

31

7

7,378

by: bumpbot

24 May 2021, 04:13

ER

Is x > y? (1) x^2 < y (2) x^(1/2) >y

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

piyush26

04 Nov 2018, 21:27

31

4

3,569

by: TestPrepUnlimited

19 Jul 2021, 10:56

ER

In the game of Funball, each batter can either hit a home run, hit a

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Bunuel

08 Sep 2017, 03:18

31

8

8,822

by: bumpbot

23 Oct 2021, 02:05

ER

A rectangular aquarium provides 36 square centimeters of water-surface

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

tarungmat

07 Apr 2015, 05:42

31

10

9,822

by: bumpbot

22 Dec 2021, 11:23

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

9,638

by: bumpbot

22 Mar 2022, 09:56

ER

If wz < 2, is z < 1?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

zaarathelab

02 Jan 2010, 17:16

31

7

18,988

by: Fdambro294

10 Apr 2022, 07:42

ER

What is the value of k?

655-705 (Hard) | Algebra, Inequalities

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

Nevernevergiveup

25 Sep 2016, 06:52

31

10

9,243

by: bumpbot

31 Jul 2022, 09:12

ER

Three circles with radii of 1, 2, and 3, lie on the same plane. Do any

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

29 Jul 2015, 15:42

31

5

7,142

by: bumpbot

02 Aug 2022, 07:49

ER

Is x > k? (1) 2^x * 2^k = 4 (2) 9^x * 3^k = 81

555-605 (Medium) | Algebra, Exponents

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

udaymathapati

09 Dec 2010, 09:51

31

9

14,511

by: bumpbot

12 Aug 2022, 07:48

ER

In the xy-plane, line l passes through the point (-7, k). What is the

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Bunuel

29 Mar 2026, 00:06

31

7

13,730

by: bumpbot

30 Aug 2022, 18:17

ER

If a and b are non-negative integers, is a > b?

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

Bunuel

24 Jun 2015, 08:16

31

10

10,891

by: bumpbot

21 Mar 2023, 14:07

ER

If N is a positive integer, is N! divisible by 14 ?

605-655 (Medium) | Multiples and Factors

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

neelesh

10 Sep 2014, 04:27

31

6

9,860

by: bumpbot

09 May 2023, 04:15

ER

In the diagram below, P and Q are the centers of the two circles. What

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

17 Jul 2017, 23:34

31

13

4,759

by: bumpbot

08 Jun 2023, 07:50

ER

In the diagram above, A is the center of the circle, angle ABD = 90°

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

09 Apr 2015, 07:20

31

7

9,275

by: bumpbot

09 Jun 2023, 21:04

ER

In the figure above, what is the length of PQ times the length of RS?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

20 Nov 2015, 00:53

31

8

10,184

by: arya251294

13 Jun 2023, 10:39

ER

In the diagram below, if angle BAC is a right angle, is triangle ADC a

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

LighthousePrep

19 Nov 2014, 16:28

31

3

6,456

by: JeffTargetTestPrep

23 Jul 2023, 06:07

ER

In the figure above, polygon N has been partially covered by a piece

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

08 Mar 2018, 21:24

31

6

6,702

by: bumpbot

25 Jul 2023, 08:52

ER

Is (-1,-1) a point on line OQ?

505-555 (Easy) | Coordinate Plane, Geometry

505-555 (Easy) | Coordinate Plane, Geometry hide tags

shivanigs

19 Oct 2012, 03:11

31

19

9,122

by: bumpbot

30 Jul 2023, 06:06

ER

Is a>0? (1) a^3-a<0 (2) 1-a^2<0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

KocharRohit

12 Nov 2009, 07:48

31

17

10,270

by: bumpbot

31 Jul 2023, 10:49

ER

What is the volume of rectangular box R?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

GMATBusters

08 Nov 2018, 09:48

31

8

11,231

by: KarishmaB

08 Aug 2023, 00:05

ER

In the coordinate plane system, does line L pass through 3rd quadrant?

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

MathRevolution

25 May 2017, 01:22

31

13

14,371

by: bumpbot

15 Aug 2023, 03:50

ER

What is the value of 2x/3y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

20 Oct 2014, 07:05

31

13

14,051

by: bumpbot

15 Aug 2023, 20:32

ER

Is the perimeter of triangle T greater than the perimeter of

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

jakolik

20 Jun 2013, 05:58

31

14

13,766

by: bumpbot

23 Aug 2023, 08:01

In the finite sequence of positive integers K1, K2, K3, ..., K9, each

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

warriorguy

09 Apr 2017, 09:23

31

5

19,717

by: bumpbot

29 Aug 2023, 08:19

ER

If x is a prime number, what is the number of different factors of 18x

655-705 (Hard) | Multiples and Factors, Number Properties

655-705 (Hard) | Multiples and Factors, Number Properties hide tags

roastedchips

06 Jul 2017, 07:29

31

6

5,441

by: guipjf

02 Sep 2023, 05:22

ER

In the x-y coordinate plane, what is the minimum distance between a po

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Bunuel

27 Apr 2015, 04:26

31

8

7,802

by: bumpbot

04 Sep 2023, 10:13

ER

What was the price at which a merchant sold a certain appliance?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

TOUGH GUY

10 Oct 2005, 11:25

31

14

17,270

by: bumpbot

05 Sep 2023, 01:43

ER

If a and b are nonzero numbers on the number line, is 0 between a and

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

21 Oct 2019, 06:45

31

8

9,845

by: bumpbot

09 Sep 2023, 19:02

ER

Is [(y-4)^2]^1/2 = 4 - y ?

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

09 Jun 2015, 02:46

31

5

5,890

by: bumpbot

13 Sep 2023, 05:31

ER

If y is a nonzero integer, what is the value of |y|?

655-705 (Hard) | Absolute Values +2 tags

655-705 (Hard) | Absolute Values, Algebra, Number Properties hide tags

Bunuel

29 May 2015, 05:33

31

11

8,391

by: Bunuel

15 Oct 2023, 13:13

ER

In the xy-coordinate plane above, what are the coordinates of point N

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

GMATinsight

28 Apr 2020, 07:55

31

12

14,445

by: bumpbot

17 Nov 2023, 04:50

ER

If a and b are the digits of the two-digit number X, what is the remai

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

11 Nov 2014, 06:02

31

6

7,693

by: bumpbot

13 Dec 2023, 09:32

ER

If Ann saves x dollars each week and Beth saves y dollars ea

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

27 Dec 2013, 05:35

31

7

20,564

by: silversurfer11

05 Jan 2024, 04:58

ER

Is 1/(x - y) < y - x? (1) y is positive (2) x is negative

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

rxs0005

21 Sep 2010, 04:22

31

18

8,994

by: bumpbot

20 Jan 2024, 09:17

ER

If x and y are both positive numbers, is x greater than 75% of y?

655-705 (Hard) | Inequalities, Percent and Interest Problems

655-705 (Hard) | Inequalities, Percent and Interest Problems hide tags

Bunuel

22 Aug 2016, 02:50

31

5

7,909

by: bumpbot

10 Feb 2024, 04:51

ER

In the xy-plane shown, is the slope of the line L negative ?

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

guerrero25

22 Mar 2018, 00:13

31

10

14,749

by: bumpbot

06 Sep 2024, 11:47

ER

The figure above shows the top of a circular cake with a slice removed

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

26 Apr 2019, 07:32

31

6

9,742

by: bumpbot

21 Sep 2024, 13:44

ER

12 Days of Christmas GMAT Competition - Day 9: If m and n are positive

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Bunuel

22 Dec 2020, 19:00

31

5

4,544

by: bumpbot

15 Oct 2024, 06:35