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

79,896

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

189,018

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

488,735

by: bb

29 Aug 2025, 13:27

ER

On January 1st Thomas deposited $2,000 into an interest bearing checki

605-655 (Medium) | Percent and Interest Problems

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

Bunuel

28 Oct 2015, 07:11

12

10

6,170

by: Bunuel

17 Dec 2025, 00:11

ER

After winning 50 percent of the first 30 matches she played

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

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

enigma123

15 Mar 2012, 14:15

48

10

10,811

by: bumpbot

15 Dec 2025, 07:21

ER

In the period between 1975 and 1985, the population of each of the

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

12 Dec 2024, 01:30

9

2

1,622

by: bumpbot

15 Dec 2025, 05:25

ER

The total cost of a car rental at Company X is equal to a base fee per

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

10 Oct 2023, 01:30

5

2

2,075

by: bumpbot

14 Dec 2025, 06:33

ER

Together, Pump A and Pump B can drain a particular tank in 2 hours and

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

ExpertsGlobal5

11 Dec 2025, 23:37

4

3

740

by: ExpertsGlobal5

13 Dec 2025, 11:30

ER

Ari invested a certain amount of money at a bank offering r% yearly

605-655 (Medium) | Percent and Interest Problems

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

ExpertsGlobal5

09 Dec 2025, 23:08

5

2

546

by: ExpertsGlobal5

13 Dec 2025, 10:15

ER

A drink contains only 7 oz. of soda and 3 oz. of juice. A second drink

605-655 (Medium) | Mixture Problems

605-655 (Medium) | Mixture Problems hide tags

Bunuel

18 Sep 2024, 01:30

12

2

2,199

by: bumpbot

09 Dec 2025, 11:43

ER

A monument is made by stacking identical rectangular blocks

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

goodyear2013

29 May 2014, 06:46

5

4,791

by: bumpbot

09 Dec 2025, 09:59

ER

If the median of the set S is 15 then find the Range of the set 1) Se

605-655 (Medium) | Statistics and Sets Problems

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

GMATinsight

10 Jun 2017, 04:32

8

2

2,424

by: bumpbot

09 Dec 2025, 05:06

ER

Is a > b ? (1) a/b = 7/10 (2) a = 70/100*b

605-655 (Medium) | Algebra, Inequalities

605-655 (Medium) | Algebra, Inequalities hide tags

Maude

28 Jun 2021, 07:54

79

11

14,625

by: bumpbot

07 Dec 2025, 21:55

ER

On the number line, the distance between point A and point C is 5 and

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

jpr200012

30 Jul 2010, 13:20

76

7

31,027

by: bumpbot

07 Dec 2025, 21:53

ER

The numbers x and y are not integers. The value of x is closest to whi

605-655 (Medium) | Inequalities, Number Properties

605-655 (Medium) | Inequalities, Number Properties hide tags

ezinis

22 Oct 2019, 08:24

165

9

30,494

by: bumpbot

07 Dec 2025, 21:48

ER

A train traveled from Station A to Station B at an average speed of 80

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

NoHalfMeasures

20 Nov 2023, 09:51

190

16

35,370

by: Bunuel

06 Dec 2025, 03:45

ER

A university badminton club has both students and professors as member

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

10 Nov 2020, 10:00

17

5

4,581

by: bumpbot

05 Dec 2025, 04:36

ER

If x > 1, is the average (arithmetic mean) of a set of x numbers equal

605-655 (Medium) | Statistics and Sets Problems

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

CAMANISHPARMAR

08 May 2019, 07:43

10

4

4,592

by: bumpbot

05 Dec 2025, 02:30

ER

At the end of the year 2001, Monica and Chandler each purchased a cert

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

24 Nov 2025, 23:29

4

6

707

by: MS26

04 Dec 2025, 00:13

ER

A market research company surveyed users of the toothpaste industry's

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

BillyZ

11 Feb 2017, 20:52

34

11

8,773

by: bumpbot

03 Dec 2025, 07:24

ER

If n and m are positive integers, what is the remainder when 3^(4n+2)

605-655 (Medium) | Exponents, Remainders

605-655 (Medium) | Exponents, Remainders hide tags

wshaffer

12 Aug 2022, 06:27

263

14

52,846

by: bumpbot

02 Dec 2025, 01:58

ER

Machine J runs at a constant rate and produces a lot consisting of 300

605-655 (Medium) | Work and Rate Problems

605-655 (Medium) | Work and Rate Problems hide tags

Bunuel

09 May 2017, 03:04

12

8

4,462

by: Bunuel

30 Nov 2025, 00:17

ER

Rick can solve x algebra problems per minute. Matt can solve y calculu

605-655 (Medium) | Inequalities, Work and Rate Problems

605-655 (Medium) | Inequalities, Work and Rate Problems hide tags

Bunuel

04 Feb 2015, 08:45

34

17

10,054

by: bumpbot

29 Nov 2025, 08:44

ER

The point A, B, C, and D are on the number line, not necessa

605-655 (Medium) | Geometry, Number Properties

605-655 (Medium) | Geometry, Number Properties hide tags

1, 2

ronybtl

27 May 2014, 07:40

432

20

133,562

by: bumpbot

28 Nov 2025, 23:11

ER

If z^n = 1, what is the value of z?

605-655 (Medium) | Exponents

605-655 (Medium) | Exponents hide tags

tradinggenius

24 Jan 2011, 08:02

171

17

42,806

by: bumpbot

28 Nov 2025, 07:49

ER

Max purchased a guitar for a total of $624,which consisted of the pric

605-655 (Medium) | Percent and Interest Problems

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

AbdurRakib

24 Jun 2017, 03:09

397

8

49,193

by: bumpbot

27 Nov 2025, 22:53

ER

Any decimal that has only a finite number of non-zero digits is a term

605-655 (Medium) | Arithmetic, Number Properties

605-655 (Medium) | Arithmetic, Number Properties hide tags

GGMU

03 Jul 2017, 05:12

15

4

6,260

by: bumpbot

27 Nov 2025, 13:48

ER

Al, Pablo, and Marsha shared the driving on a 1,500-mile trip. Which

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

sondenso

05 Jun 2019, 05:21

230

14

47,911

by: bumpbot

25 Nov 2025, 23:16

ER

If the elements of set X are a, b, c and d, is the average (arithmetic

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

17 Nov 2023, 07:13

9

4

1,883

by: bumpbot

25 Nov 2025, 10:21

ER

Six kids will be lined up from left to right. Boys may not be at eithe

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

Bunuel

13 Sep 2022, 08:48

28

3

4,514

by: Bunuel

25 Nov 2025, 09:52

ER

Set S = {4, x, 1, 4, 1} Is x the median of Set S?

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

02 Feb 2017, 11:08

6

2,758

by: Bunuel

24 Nov 2025, 22:44

ER

If the average (arithmetic mean) of 5 different numbers is 12, what is

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

12 Nov 2017, 23:49

12

4

11,115

by: bumpbot

24 Nov 2025, 12:41

ER

In a certain rural town, 250 households contain a dog or a cat or both

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

18 Nov 2025, 23:44

5

3

691

by: Dereno

19 Nov 2025, 11:37

ER

If points A and B are on the y-axis in the figure, what is the area of

605-655 (Medium) | Coordinate Plane, Geometry

605-655 (Medium) | Coordinate Plane, Geometry hide tags

Bunuel

29 Oct 2014, 08:50

70

13

19,491

by: Bunuel

18 Nov 2025, 22:42

ER

Of the people waiting on the line before the cash register in

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

28 May 2024, 01:30

6

4

1,348

by: bumpbot

18 Nov 2025, 19:24

ER

The table above shows a frequency chart for the scores on a certain

605-655 (Medium) | Statistics and Sets Problems

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

XimeSol

12 Nov 2024, 02:01

84

6

14,900

by: bumpbot

18 Nov 2025, 11:10

ER

In 1985, the Party Time Catering Hall spent a total of $1,200 for mete

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

22 Jun 2022, 08:00

6

4

2,488

by: Madhan99

18 Nov 2025, 07:59

ER

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

605-655 (Medium) | Work and Rate Problems

605-655 (Medium) | Work and Rate Problems hide tags

banksy

26 Feb 2011, 17:43

39

7

15,533

by: bumpbot

15 Nov 2025, 11:55

ER

Is it possible for a judge to exercise discretion in a particular case

605-655 (Medium) | Non-Math Related

605-655 (Medium) | Non-Math Related hide tags

Bunuel

17 Jan 2024, 06:30

16

3

5,679

by: bumpbot

15 Nov 2025, 06:06

ER

Dwight and Elaine are each employed to mow the grass at a certain

605-655 (Medium) | Work and Rate Problems

605-655 (Medium) | Work and Rate Problems hide tags

Bunuel

27 Sep 2024, 01:30

10

3

1,769

by: bumpbot

14 Nov 2025, 22:25

ER

What is the maximum possible number of chocolate bars per hour produce

605-655 (Medium) | Work and Rate Problems

605-655 (Medium) | Work and Rate Problems hide tags

Bunuel

15 May 2023, 01:30

10

3

2,679

by: bumpbot

14 Nov 2025, 18:40

ER

A certain box contains only blue (b), green (g) and red(r)

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

atalpanditgmat

26 May 2013, 10:45

68

11

10,726

by: bumpbot

14 Nov 2025, 12:59

ER

Given the ascending set of positive integers {a, b, c, d, e,

605-655 (Medium) | Statistics and Sets Problems

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

siddhans

20 Jun 2011, 22:32

60

11

23,151

by: bumpbot

14 Nov 2025, 11:40

ER

At a certain state university last term, there were p students each of

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

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

Bunuel

19 Jun 2018, 02:16

30

5

7,854

by: bumpbot

14 Nov 2025, 08:53

ER

Integers X, Y and Z are greater than zero. Is X percent of Y

605-655 (Medium) | Percent and Interest Problems

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

Fijisurf

01 Nov 2010, 15:55

5

9

5,552

by: bumpbot

14 Nov 2025, 07:13

ER

Last Tuesday a trucker paid $155.76, including 10 percent state and fe

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

11 Dec 2014, 07:11

67

5

14,897

by: bumpbot

14 Nov 2025, 05:21

ER

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

605-655 (Medium) | Absolute Values, Inequalities

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

1, 2

boomtangboy

09 Jun 2019, 22:05

470

30

53,992

by: bumpbot

13 Nov 2025, 20:54

ER

One number, n, is selected at random from a set of 10 integers. What

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

19 May 2016, 03:29

24

5

8,122

by: bumpbot

13 Nov 2025, 14:54

ER

Mr. Kip has been selected in the chorus group. What is the percent of

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

12 Jan 2022, 09:00

5

3

2,654

by: bumpbot

13 Nov 2025, 07:43

ER

Every man in a certain class either belongs to group A, belongs to gro

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

29 Sep 2015, 05:06

35

5

10,510

by: bumpbot

13 Nov 2025, 06:52

ER

Anne must randomly select one ball from a bag. What is the probability

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

10 Nov 2022, 11:59

2

1,593

by: bumpbot

13 Nov 2025, 04:45

ER

A certain car averaged 20 miles per gallon of gasoline on a trip from

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

averagedude23

10 Nov 2023, 10:44

74

6

12,311

by: bumpbot

12 Nov 2025, 08:52

ER -1

If Machine B and Machine C work together at their constant individual

605-655 (Medium) | Work and Rate Problems

605-655 (Medium) | Work and Rate Problems hide tags

Bunuel

27 Jan 2015, 07:41

51

16

12,028

by: bumpbot

12 Nov 2025, 07:16