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

178

15

79,037

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

188,707

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

488,240

by: bb

29 Aug 2025, 13:27

ER

Is the average (arithmetic mean) of w, x, y, and z less than 28?

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

13 Dec 2019, 00:05

22

11

8,016

by: bumpbot

19 Nov 2025, 01:50

ER

Automobile A is traveling at two-thirds the speed that Automobile B

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

Stardust Chris

17 Feb 2015, 10:46

22

6

11,462

by: bumpbot

27 Nov 2025, 08:48

ER

Throughout Region R, temperatures are such that households with air

805+ (Hard) | Non-Math Related

805+ (Hard) | Non-Math Related hide tags

Rohanx9

23 Nov 2025, 04:59

22

12

1,947

by: ipsameos

30 Nov 2025, 15:28

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If x and y are both positive integers, what is their greatest common

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

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

Bunuel

11 Oct 2016, 02:13

22

11

4,204

by: Bunuel

28 Dec 2025, 11:16

ER

Each of the 75 professionals attending a conference is either a chef

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

06 Feb 2023, 07:10

22

6

4,124

by: KarishmaB

29 Dec 2025, 18:59

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Two trains travel at constant speeds. What is the ratio of the slower

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

fskilnik

26 Mar 2019, 10:58

22

4

4,094

by: bumpbot

30 Dec 2025, 11:00

ER

When cleaning her house, Carlotta discovered an old box of candles and

Sub 505 (Easy) | Combinations

Sub 505 (Easy) | Combinations hide tags

Bunuel

23 Mar 2020, 07:09

22

7

6,385

by: bumpbot

31 Dec 2025, 02:17

ER

Avisail and Barry drove from Columbus to Des Moines by different route

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

Bunuel

09 Dec 2024, 01:30

22

8

1,802

by: bumpbot

01 Jan 2026, 12:42

ER

A health club charges an annual $10 renewal fee for all memb

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

avohden

02 Oct 2013, 10:10

22

13

6,666

by: bumpbot

05 Jan 2026, 02:24

ER

p and q are different two-digit prime numbers with the same

705-805 (Hard) | Arithmetic, Number Properties

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

Jinglander

10 Aug 2010, 21:39

22

18

8,971

by: bumpbot

07 Jan 2026, 23:21

ER

A particular gymnastics tournament awards a gold, a silver, and a bron

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

27 Apr 2015, 04:33

22

6

5,328

by: tryorcry

14 Jan 2026, 00:39

ER

If a and b are positive integers, is a divisible by 7? (1) a + 5b is

605-655 (Medium) | Multiples and Factors, Remainders

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

CareerGeek

17 Jul 2019, 04:52

22

3

5,907

by: bumpbot

15 Jan 2026, 22:02

ER

If N is a positive integer, such that the total number of factors . .

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

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

EgmatQuantExpert

14 Apr 2020, 08:54

22

4

3,592

by: bumpbot

16 Jan 2026, 22:44

ER

Two consecutive positive integers are divided by 25. What is the sum

805+ (Hard) | Remainders

805+ (Hard) | Remainders hide tags

pushpitkc

01 Oct 2018, 06:38

22

3

4,715

by: bumpbot

21 Jan 2026, 01:49

ER

What is the volume of a certain cube?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Vidhi1

10 Dec 2013, 14:12

22

10

14,880

by: bumpbot

24 Jan 2026, 23:01

ER

The average (arithmetic mean) of 10 distinct odd integers in a set is

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

13 Jul 2017, 23:54

22

14

4,425

by: bumpbot

11 Feb 2026, 14:23

ER

What was the total amount of revenue that a theater received

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Walkabout

14 Dec 2012, 09:16

22

7

19,250

by: totaltestprepNick

03 Mar 2026, 09:45

ER

Is the standard deviation of ages of students in class A greater than

505-555 (Easy) | Statistics and Sets Problems

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

snoor

03 Jun 2008, 01:01

22

15

11,171

by: bumpbot

10 Mar 2026, 08:55

ER

Does effective advertising require a higher budget expense than

505-555 (Easy) | Non-Math Related

505-555 (Easy) | Non-Math Related hide tags

guddo

14 Aug 2024, 07:17

22

4

4,173

by: JustKeepGoing

22 Mar 2026, 02:13

ER

What is the probability of (x+3)(x+10) being div by 6?

805+ (Hard) | Multiples and Factors, Probability

805+ (Hard) | Multiples and Factors, Probability hide tags

chetan2u

24 Apr 2016, 21:28

22

5

4,393

by: bumpbot

30 Mar 2026, 00:05

ER

A team of 2 is to be selected from a group of 5. if the number of male

655-705 (Hard) | Combinations, Probability

655-705 (Hard) | Combinations, Probability hide tags

Bunuel

19 Jan 2022, 06:00

22

3

4,455

by: luisdicampo

15 Apr 2026, 13:44

ER

A small factory that produces only upholstered chairs and sofas uses 1

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Jun 2018, 05:50

22

6

12,634

by: bumpbot

23 Apr 2026, 09:50

ER

If the average (arithmetic mean) of four numbers is 10, how many of

705-805 (Hard) | Statistics and Sets Problems

705-805 (Hard) | Statistics and Sets Problems hide tags

AverageGuy123

27 Feb 2015, 21:22

22

6

15,117

by: bumpbot

06 May 2026, 00:44

ER

A safari is held twice in a day either in the morning or in the evenin

805+ (Hard) | Fractions and Ratios, Overlapping Sets

805+ (Hard) | Fractions and Ratios, Overlapping Sets hide tags

Bunuel

10 Jul 2017, 04:28

23

5

3,564

by: Vanmotan

12 Feb 2019, 19:47

ER

Is m^2n + mn^2 = 0 ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

14 Jul 2015, 00:55

23

18

5,013

by: bumpbot

07 Sep 2019, 01:56

ER

M is a rectangular solid. Find the volume of M

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

mikemcgarry

21 May 2013, 10:11

23

9

8,616

by: gmatapprentice

08 Nov 2019, 04:05

ER

If a and b are two-digit numbers that share the same digits,

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

srichaks

25 May 2010, 06:47

23

7

11,085

by: bumpbot

12 Jan 2021, 02:11

ER

What is the units digit of positive integer p?

Sub 505 (Easy) | Remainders

Sub 505 (Easy) | Remainders hide tags

Bunuel

19 Feb 2016, 04:12

23

9

12,759

by: bumpbot

10 Mar 2021, 04:39

ER

What is the value of | (x+5)/(x+7) |? (1) x2 + 7x – 18 = 0 (2) 3x2 + 4

805+ (Hard) | Absolute Values, Algebra

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

Gnpth

04 Aug 2017, 09:24

23

5

4,360

by: adityaganjoo

02 Jun 2021, 10:56

ER

Is 3^(p-2) greater than 1,000?

655-705 (Hard) | Algebra +2 tags

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

se7en14

14 Jan 2014, 01:29

23

12

5,805

by: bumpbot

19 Jul 2021, 16:16

ER

Is the perimeter of triangle T greater than the perimeter of square S?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Mbawarrior01

17 Jul 2016, 09:06

23

9

3,287

by: bumpbot

07 Sep 2021, 18:07

ER

What is the remainder when positive integer t is divided by

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

actleader

13 Nov 2012, 12:48

23

9

6,800

by: bumpbot

09 Sep 2021, 09:50

ER

Is a^2*b > 0?

655-705 (Hard) | Absolute Values, Inequalities

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

1, 2

iamba

03 Jun 2015, 06:51

23

22

7,960

by: bumpbot

25 Oct 2021, 13:29

ER

If integer n is greater than 1, Does n have more than two distinct fac

655-705 (Hard) | Inequalities +2 tags

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

gmatmania17

29 Dec 2014, 05:16

23

10

5,294

by: bumpbot

14 Jan 2022, 07:11

ER

A car moving at an average speed of x miles/hr, traveled

805+ (Hard) | Distance and Speed Problems

805+ (Hard) | Distance and Speed Problems hide tags

SVaidyaraman

26 Jul 2013, 07:10

23

10

7,399

by: bumpbot

14 Apr 2022, 10:11

ER

If x^2 + 3x + c = (x + a)(x + b) for all x, what is the

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

ajit257

05 Dec 2010, 14:28

23

5

9,392

by: bumpbot

31 May 2022, 02:36

ER

GMAT Club World Cup 2022 (DAY 8): If xy <= 0, is x + y < 0?

805+ (Hard) | Absolute Values +3 tags

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

Bunuel

20 Jul 2022, 08:00

23

6

3,319

by: av1901

21 Jul 2022, 05:55

ER

If B is the midpoint of AC, what is the length of BE?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

shrive555

15 Nov 2010, 12:00

23

6

5,659

by: bumpbot

29 Sep 2022, 15:35

ER

Positive integers a, b and c are all less than 10. If the sum of all

805+ (Hard) | Arithmetic +2 tags

805+ (Hard) | Arithmetic, Combinations, Number Properties hide tags

Bunuel

11 Oct 2022, 02:01

23

6

4,572

by: chetan2u

12 Oct 2022, 00:06

ER

In the diagram above, coordinates are given for three of the vertices

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

06 Mar 2015, 07:30

23

11

11,950

by: bumpbot

07 Nov 2022, 11:37

ER

12 Days of Christmas GMAT Competition - Day 6: In the following figure

805+ (Hard) | Coordinate Plane, Geometry

805+ (Hard) | Coordinate Plane, Geometry hide tags

Bunuel

19 Dec 2022, 07:00

23

4

3,755

by: EthanTheTutor

05 Jan 2023, 09:40

ER

What is the remainder when x^2y is divided by 10?

705-805 (Hard) | Exponents, Remainders

705-805 (Hard) | Exponents, Remainders hide tags

chetan2u

28 Jul 2018, 00:34

23

6

2,519

by: bumpbot

03 Feb 2023, 10:05

ER

Will at least three identical cubes fit inside a cylindrical shipping

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

payalkhndlwl

25 Jun 2019, 23:02

23

7

6,133

by: bumpbot

06 Feb 2023, 07:48

ER

What is the value of ab^2 ?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

BigBrad

09 Jun 2010, 06:22

23

17

8,033

by: bumpbot

05 Mar 2023, 22:26

ER

Is quadrilateral ABCD a parallelogram?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

08 Mar 2021, 01:15

23

14

6,509

by: bumpbot

16 Apr 2023, 06:40

ER

What is the remainder when positive integer n is divided by 4?

505-555 (Easy) | Remainders

505-555 (Easy) | Remainders hide tags

Bunuel

02 Apr 2015, 04:23

23

11

16,189

by: bumpbot

30 Apr 2023, 21:44

ER

Is xy>ab ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

06 Feb 2015, 07:16

23

7

7,006

by: bumpbot

09 Aug 2023, 04:28

ER

What is the number of members of Club X who are at least 35

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

kilukilam

16 May 2014, 04:50

23

4

17,645

by: bumpbot

09 Aug 2023, 17:56

ER

Is |n| < 1 ? (1) n^x - n < 0 (2) x^(-1) = -2

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

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

GMATinsight

12 Nov 2015, 08:55

23

5

4,776

by: bumpbot

13 Aug 2023, 04:38

ER

If t is a positive integer, can (t+2)(t-3) be completely divided by 6?

805+ (Hard) | Multiples and Factors, Remainders

805+ (Hard) | Multiples and Factors, Remainders hide tags

siddharthkapoor

13 Oct 2019, 22:16

23

4

3,560

by: bumpbot

23 Aug 2023, 10:49