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

78,595

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

188,445

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

487,803

by: bb

29 Aug 2025, 13:27

ER

In the sports center, the capacity of swimming pool A is 60 percent of

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

12 Aug 2024, 01:30

2

1,176

by: zjhon

14 Dec 2024, 14:55

ER

During a baseball game, a pitcher threw a total of 40 pitches, some of

705-805 (Hard) | Percent and Interest Problems

705-805 (Hard) | Percent and Interest Problems hide tags

Bunuel

06 Dec 2024, 01:30

4

2

1,250

by: krish0709

13 Dec 2024, 12:36

ER

A jar contains red and green marbles, available in two sizes- small

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

27 Nov 2024, 01:30

5

1

1,088

by: MalachiKeti

13 Dec 2024, 12:35

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If a 0, is b < a < c ? (1) b < |a| < c (2) |b| < |a| <|c|

605-655 (Medium) | Absolute Values, Inequalities

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

Bunuel

07 Feb 2023, 11:45

7

2

1,598

by: bumpbot

13 Dec 2024, 04:09

ER

If p is a prime number, what is the value of p?

505-555 (Easy) | Multiples and Factors, Number Properties

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

Bunuel

26 Jun 2023, 01:30

1

3

1,732

by: shoaibshariff07

12 Dec 2024, 23:31

Soni and Misha are exchanging stamps with each other. At the start, So

805+ (Hard) | Arithmetic, Word Problems

805+ (Hard) | Arithmetic, Word Problems hide tags

amanvermagmat

05 Aug 2018, 05:31

6

2

1,878

by: bumpbot

12 Dec 2024, 23:26

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Is |s + t| < |s| + |t|? (1) s > t (2) st < 0

555-605 (Medium) | Absolute Values, Inequalities

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

Bunuel

10 Apr 2023, 11:45

2

1,784

by: bumpbot

12 Dec 2024, 07:40

ER

Two empty tanks of equal size, X and Y, were being filled with water

805+ (Hard) | Work and Rate Problems

805+ (Hard) | Work and Rate Problems hide tags

Bunuel

11 Dec 2024, 01:30

9

1

2,395

by: S1mple3

11 Dec 2024, 07:39

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A certain museum show was attended by members and visitors.

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

22 Nov 2024, 01:30

2

3

853

by: ajaynandakumar7

10 Dec 2024, 02:43

ER

A planed named "ship" is flying in a clock wise circular path above

655-705 (Hard) | Work and Rate Problems

655-705 (Hard) | Work and Rate Problems hide tags

Bunuel

27 Nov 2024, 01:30

6

1

1,329

by: satvikd22

10 Dec 2024, 00:40

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At a certain store, books are sold in either hard cover or soft cover.

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

08 Aug 2024, 08:45

1

2

972

by: IMPranshu

08 Dec 2024, 21:05

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A man invests a sum of money in a bank in the beginning of a year and

705-805 (Hard) | Percent and Interest Problems

705-805 (Hard) | Percent and Interest Problems hide tags

Bunuel

10 Jul 2017, 02:33

19

11

4,488

by: bumpbot

08 Dec 2024, 01:13

ER

If Rebecca made $60,000 last year after taxes and put all of this

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

05 Dec 2024, 01:30

3

1,207

by: jozie

06 Dec 2024, 21:05

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A certain shop in a market sells only cherry pies and apple pies

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

05 Dec 2024, 01:30

3

1

1,489

by: stne

06 Dec 2024, 15:17

In a class of 34 students, X know how to sing, Y know how to dance. If

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

amanvermagmat

02 Jul 2018, 11:28

2

1,676

by: bumpbot

06 Dec 2024, 05:18

ER

Is a > 2? (1) 1/a < 1/2 (2) a^(1/2) > 2^(1/2)

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

02 Jun 2023, 09:45

6

4

1,518

by: bumpbot

06 Dec 2024, 05:12

ER

If p and q are integers, is pq + 1 even?

Sub 505 (Easy) | Number Properties, Remainders

Sub 505 (Easy) | Number Properties, Remainders hide tags

Bunuel

06 Dec 2024, 03:53

10

5

4,586

by: bumpbot

06 Dec 2024, 03:51

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Of the marbles in a box, 2/5 are blue, 1/3 are red, and the rest are

805+ (Hard) | Fractions and Ratios, Word Problems

805+ (Hard) | Fractions and Ratios, Word Problems hide tags

Bunuel

25 Nov 2024, 01:30

4

2

1,055

by: Jxmes

05 Dec 2024, 20:51

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If x is not 0, is x > 1 ?

705-805 (Hard) | Absolute Values, Inequalities

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

Bunuel

31 May 2023, 09:45

5

3

1,450

by: Navnit99

05 Dec 2024, 09:23

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Is |x - 1| > |x - 3| ? (1) x > 2 (2) x > 1

505-555 (Easy) | Absolute Values, Inequalities

505-555 (Easy) | Absolute Values, Inequalities hide tags

Bunuel

14 Mar 2023, 09:30

4

2

1,591

by: bumpbot

05 Dec 2024, 08:43

ER

What is the perimeter of an isosceles triangle PQR with integer sides

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

24 Nov 2021, 03:30

4

5

3,567

by: bumpbot

05 Dec 2024, 08:16

ER

Prem and Ramesh started from two cities Patna and Allahabad respective

705-805 (Hard) | Distance and Speed Problems

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

Bunuel

26 Nov 2024, 01:30

9

4

1,770

by: EshaFatim

04 Dec 2024, 09:31

ER

In one 30 day month, Joeś computer store sold computers at their regul

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

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

Bunuel

16 Jan 2020, 01:49

14

13

4,244

by: Postponemendor

04 Dec 2024, 06:07

ER

A certain company received applications from 95 people for a job it

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

02 Dec 2024, 01:30

7

1

1,209

by: stne

03 Dec 2024, 14:10

ER

Anne and Bill each invested in both stocks and bonds in 2007. Who had

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

29 Nov 2024, 01:30

11

7

1,175

by: SP021

03 Dec 2024, 10:42

ER

What percent of the 300 students are girls who had taken a course in

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

03 Dec 2024, 01:30

1

1,286

by: ADisHere

03 Dec 2024, 03:51

ER

If j is an integer, is k an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

27 Dec 2016, 08:59

6

2,960

by: bumpbot

03 Dec 2024, 01:39

ER

When choosing two animals without replacement, what is the probability

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

25 Sep 2023, 01:30

4

2

2,270

by: bumpbot

03 Dec 2024, 01:28

ER

Of the 3,000 cars manufactured in Factory Q last year, how many were

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

23 Apr 2024, 01:30

8

3

2,458

by: Ab295

02 Dec 2024, 08:33

ER

A survey was conducted to find out how many TV show viewers voted for

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

28 Nov 2024, 01:30

2

1,255

by: 7seven7

01 Dec 2024, 11:14

ER

A certain museum show was attended by members and visitors.

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

28 Nov 2024, 01:30

1

891

by: 7seven7

01 Dec 2024, 10:35

ER

S is a set with at least two numbers. Is the range of S greater than

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

02 Jan 2020, 14:32

32

7

5,744

by: bumpbot

01 Dec 2024, 06:06

ER

Sam spent a total of $6.00 on pens and pencils. How many pens did he

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

29 Nov 2024, 01:30

7

2

889

by: 7seven7

01 Dec 2024, 04:00

If m & n are positive integer, is mn/15 an integer?

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

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

Abhi077

13 Dec 2018, 09:22

3

2

1,896

by: bumpbot

01 Dec 2024, 02:10

ER

The revenue R, in dollars, that is generated by selling “x” units of a

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

29 Dec 2021, 03:00

7

3

3,546

by: bumpbot

30 Nov 2024, 23:07

Coffee bean company, A decided to survey a group of people. The survey

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

MAN11

27 Nov 2024, 06:03

3

2

1,018

by: Pablopikachu

29 Nov 2024, 04:01

A game consists of tossing a coin successively. There is an entry fee

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

excelingmat

05 Nov 2015, 04:10

7

6

6,566

by: Sanchit19

29 Nov 2024, 00:46

ER

What is the sum of the two smallest integers in a set of different pos

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

08 Jul 2016, 07:58

6

4

4,077

by: bumpbot

28 Nov 2024, 17:16

ER

Is the number of the boys in the class is more than the number of the

705-805 (Hard) | Fractions and Ratios, Word Problems

705-805 (Hard) | Fractions and Ratios, Word Problems hide tags

Bunuel

19 Dec 2019, 02:21

13

4

3,241

by: bumpbot

27 Nov 2024, 15:34

ER

If r, s, t are different 1-digit positive integer and (ab) is defined

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

MathRevolution

06 Apr 2016, 06:33

6

3

2,357

by: bumpbot

24 Nov 2024, 05:49

ER

Assume that neither x nor y is equal to 0, to permit division by x and

555-605 (Medium) | Fractions and Ratios

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

Archit3110

20 Oct 2021, 01:43

2

2,040

by: bumpbot

23 Nov 2024, 00:31

ER

Two persons A and B run at constant speeds of a miles per hour and b

705-805 (Hard) | Distance and Speed Problems

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

Bunuel

18 Nov 2024, 01:30

3

2

1,186

by: stne

22 Nov 2024, 08:38

ER

The average scores obtained by Ben, Mark and Russ in a certain test is

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

22 Nov 2024, 01:30

1

737

by: cdrectenwald

22 Nov 2024, 08:06

Adam recorded the number of questions he got wrong in 6 GMAT prep test

555-605 (Medium) | Statistics and Sets Problems

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

siddhantvarma

20 Nov 2024, 09:08

1

1,054

by: stne

22 Nov 2024, 07:36

ER

Is |x - 3| < 7 ? (1) x > 0 (2) x < 10

505-555 (Easy) | Absolute Values, Inequalities

505-555 (Easy) | Absolute Values, Inequalities hide tags

Bunuel

23 May 2020, 07:46

18

9

6,103

by: bumpbot

22 Nov 2024, 03:51

ER

Tom and Harry started running around a circular track of length 400 me

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

amanvermagmat

09 Jul 2018, 21:30

2

3

13,014

by: bumpbot

22 Nov 2024, 02:01

ER

A certain company sells only cars and trucks reported that the number

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

21 Nov 2024, 01:30

1

999

by: cdrectenwald

21 Nov 2024, 17:43

ER

At a certain school 60% of the students are studying French and 70%

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

Bunuel

21 Nov 2024, 01:30

3

2

1,463

by: ybhatt32

21 Nov 2024, 08:22

ER

For each order, a mail order bookseller charges a fixed processing fee

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

01 Jul 2020, 02:55

15

5

12,181

by: bumpbot

21 Nov 2024, 01:25

ER

How many of n pairs of twins are girls?

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

19 Nov 2024, 01:30

2

995

by: ADisHere

20 Nov 2024, 12:51