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

79,120

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

188,758

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

488,341

by: bb

29 Aug 2025, 13:27

ER

A pizza place sells vegetarian pizza for a certain price and meat

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

25 Jun 2025, 00:30

3

421

by: Dereno

25 Jun 2025, 11:10

ER

If all apples at a certain grocery store are equally priced, and all

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Jun 2025, 00:30

3

537

by: Dereno

26 Jun 2025, 11:19

ER

Company Ps profit this year was what percent of its profit last year?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

27 Jun 2025, 00:30

3

532

by: APram

27 Jun 2025, 12:04

ER

In sequence of 9 distinct numbers {a1, a2, a3, ..., a9}, nth term is g

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

Bunuel

27 May 2022, 03:32

13

3

3,235

by: Bunuel

28 Jun 2025, 01:19

ER

For all numbers x, the function f is defined by f(x) = 3x + 1 and the

Sub 505 (Easy) | Functions and Custom Characters

Sub 505 (Easy) | Functions and Custom Characters hide tags

shakticnb

01 Feb 2018, 07:45

19

3

12,130

by: bumpbot

28 Jun 2025, 20:02

ER

What is the value of x - y? (1) x3 - y3 = 0 (2) x4 - y4 = 0

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

GMATUser1928843

21 Jul 2022, 14:17

20

3

3,844

by: bumpbot

29 Jun 2025, 03:43

7 married couples are sitting in the lounge of a certain

605-655 (Medium) | Inequalities, Min-Max Problems

605-655 (Medium) | Inequalities, Min-Max Problems hide tags

amanvermagmat

10 Mar 2018, 11:56

6

3

3,089

by: bumpbot

29 Jun 2025, 23:19

ER

Is p positive? (1) The square of p is positive. (2) The reciprocal of

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

07 Mar 2022, 02:30

2

3

1,511

by: bumpbot

01 Jul 2025, 13:02

ER

Is Q > 0 ? (1) P*Q^3*R^4 <0 (2) P*Q^2*S^6 > 0

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

06 Jun 2022, 07:06

7

3

2,664

by: bumpbot

01 Jul 2025, 13:13

ER

A person bought x number of apples, y number of oranges, and z number

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

guddo

14 Aug 2024, 08:55

39

3

6,253

by: D3N0

02 Jul 2025, 03:59

ER

How much ethylene glycol antifreeze must be mixed with water to fill a

Sub 505 (Easy) | Mixture Problems

Sub 505 (Easy) | Mixture Problems hide tags

Bunuel

29 Dec 2020, 23:00

1

3

2,577

by: bumpbot

02 Jul 2025, 11:38

ER

If n is an integer, is n/11 an integer? (1) 7n/11 is an integer.

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

25 Sep 2018, 05:30

1

3

1,803

by: bumpbot

04 Jul 2025, 20:00

ER

If x is a positive integer, is x/21 an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

26 Jun 2018, 05:51

7

3

3,114

by: bumpbot

06 Jul 2025, 20:31

ER

For integer n, f(n) denotes the remainder when n is divided by integer

805+ (Hard) | Functions and Custom Characters, Remainders

805+ (Hard) | Functions and Custom Characters, Remainders hide tags

Bunuel

21 Mar 2019, 02:51

15

3

4,841

by: bumpbot

06 Jul 2025, 22:46

ER

there are 11 numbers in a set, is the median 20?

555-605 (Medium) | Min-Max Problems, Statistics and Sets Problems

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

petrified17

19 Sep 2017, 07:40

35

3

6,579

by: bumpbot

07 Jul 2025, 12:37

ER

Can n/192 be an integer?

655-705 (Hard) | Multiples and Factors

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

Bunuel

30 Oct 2019, 02:08

8

3

2,213

by: bumpbot

10 Jul 2025, 12:21

ER

An airplane has a passenger cabin with seats arranged in rows of 6 wit

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Aabhash777

18 May 2025, 01:54

6

3

1,042

by: licrolicro

10 Jul 2025, 14:55

ER

Is n an even integer ? (1) 3n is even (2) 5n is even

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

18 May 2023, 09:30

4

3

1,403

by: bumpbot

10 Jul 2025, 17:42

As part of a certain game in which a computer generated a ra

605-655 (Medium) | Arithmetic

605-655 (Medium) | Arithmetic hide tags

manishuol

25 Oct 2013, 14:24

6

3

3,192

by: bumpbot

12 Jul 2025, 09:20

ER

Working together without a break, Jermaine and Crystal can do a job in

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

05 May 2019, 23:32

4

3

3,002

by: bumpbot

13 Jul 2025, 10:55

ER

If X is a positive integer less than 20, what is the value of X ?

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

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

amanvermagmat

07 May 2018, 23:10

5

3

3,749

by: bumpbot

15 Jul 2025, 14:06

ER

Zelma scored 90, 88, and 92 on 3 of the 6 mathematics tests that she

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

23 May 2020, 07:12

11

3

8,680

by: bumpbot

15 Jul 2025, 14:32

ER

Is m divisible by 14 ? (1) The greatest common factor of m and 42 is 6

655-705 (Hard) | Multiples and Factors

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

Bunuel

23 Sep 2022, 06:08

4

3

1,687

by: bumpbot

16 Jul 2025, 06:28

ER

If abc 0, what is the value of ab/c?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

13 Nov 2022, 03:33

3

2,018

by: bumpbot

17 Jul 2025, 00:44

ER

If p and q are positive integers, what is the value of q?

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

Stiv

28 Jun 2012, 06:56

39

3

17,145

by: bumpbot

17 Jul 2025, 09:03

ER

What was the value of the sales of the ABC Company in 2000?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

16 Jul 2025, 22:00

5

3

464

by: Souradeep17

17 Jul 2025, 11:24

ER

If 20 percent of the students at a certain college take a writing clas

555-605 (Medium) | Overlapping Sets, Percent and Interest Problems

555-605 (Medium) | Overlapping Sets, Percent and Interest Problems hide tags

Bunuel

10 Feb 2020, 03:39

13

3

4,602

by: bumpbot

17 Jul 2025, 12:41

ER

Is x^3 < x? (1) 1/x > x (2) x^2 > x

655-705 (Hard) | Absolute Values, Inequalities

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

GMATinsight

07 Dec 2021, 01:17

4

3

1,610

by: bumpbot

17 Jul 2025, 17:39

ER

What was the percentage of defective items produced at a factory?

505-555 (Easy) | Fractions and Ratios, Word Problems

505-555 (Easy) | Fractions and Ratios, Word Problems hide tags

Bunuel

17 Jul 2025, 22:00

4

3

823

by: Missinga

18 Jul 2025, 20:13

ER

Is x and y are positive integers, what is the value of x?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

08 Sep 2021, 03:30

10

3

2,455

by: bumpbot

19 Jul 2025, 17:57

ER

A rectangular floor that is 4 meters wide is to be completely covered

Sub 505 (Easy) | Geometry, Min-Max Problems

Sub 505 (Easy) | Geometry, Min-Max Problems hide tags

Bunuel

09 Dec 2014, 07:49

4

3

14,591

by: bumpbot

19 Jul 2025, 22:48

ER

What was the median of the daily numbers of phone calls received at a

505-555 (Easy) | Statistics and Sets Problems

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

houston1980

01 Jul 2023, 09:44

63

3

16,197

by: bumpbot

20 Jul 2025, 09:18

ER

Out of 25 Gryffindor students, 16 play chess, and 11 play quidditch.

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

13 Apr 2026, 06:55

20

3

4,330

by: bumpbot

20 Jul 2025, 11:20

ER

On a recent test taken by 21 students, each students test score was

555-605 (Medium) | Statistics and Sets Problems

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

houston1980

01 Jul 2023, 09:23

110

3

24,237

by: bumpbot

21 Jul 2025, 07:19

ER

Eloises aquarium contains six tropical fish. If the largest fish is 4

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

21 Jul 2025, 22:00

6

3

566

by: Souradeep17

22 Jul 2025, 10:48

ER

If m is the arithmetic mean (average) of 4 integers a, b, c, and d and

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

10 Mar 2016, 04:56

17

3

3,777

by: bumpbot

23 Jul 2025, 00:33

ER

A used car reseller was paid a total of $5,000 for a used car. The res

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

16 Oct 2018, 02:18

6

3

2,496

by: GMATinsight

23 Jul 2025, 03:03

ER

The total number of printers and computers at a certain company is 36.

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

20 Jul 2025, 22:00

2

3

597

by: Souradeep17

23 Jul 2025, 18:19

ER

Kara attends a university where students study for an average

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

23 Jul 2025, 22:00

6

3

875

by: agrasan

24 Jul 2025, 01:03

What is the value of the integer P?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

twoface07

13 Aug 2022, 22:48

4

3

2,701

by: bumpbot

24 Jul 2025, 04:23

An artist painted a series of 5 landscapes, titled Midnight 1-5

705-805 (Hard) | Fractions and Ratios

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

MT1302

22 Mar 2024, 08:30

12

3

3,545

by: bumpbot

25 Jul 2025, 04:20

ER

If |a b| = 6 and |b c| = 15, then what is the value of |c|?

805+ (Hard) | Absolute Values

805+ (Hard) | Absolute Values hide tags

Bunuel

28 Mar 2023, 07:45

6

3

1,365

by: bumpbot

28 Jul 2025, 05:18

ER

Each of the 8 numbers s, t, u, v, w, x, y and z is positive. Is the av

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

07 May 2015, 03:20

6

3

4,988

by: bumpbot

28 Jul 2025, 07:44

ER

If w < x < y < z, is the average (arithmetic mean) of w, x, y, and z

655-705 (Hard) | Algebra, Inequalities

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

Bunuel

06 Dec 2019, 06:05

19

3

10,091

by: deletus

28 Jul 2025, 10:48

ER

A recent lunch meeting at a certain club was attended by members and

Sub 505 (Easy) | Algebra, Word Problems

Sub 505 (Easy) | Algebra, Word Problems hide tags

gmat1393

28 Jul 2025, 10:55

9

3

9,238

by: bumpbot

28 Jul 2025, 10:53

ER

How many of the three different positive integers a, b, and c are divi

655-705 (Hard) | Multiples and Factors

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

Bunuel

02 Mar 2022, 03:00

2

3

1,972

by: svsivakrishna

28 Jul 2025, 12:33

ER

What was a certain company's revenue last year?

Sub 505 (Easy) | Percent and Interest Problems, Word Problems

Sub 505 (Easy) | Percent and Interest Problems, Word Problems hide tags

Bunuel

03 Mar 2020, 03:46

7

3

7,140

by: APram

28 Jul 2025, 12:42

ER

Jim had four tests, with each grade being an integer. Did Jim score 10

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

27 Jul 2025, 22:00

3

572

by: Missinga

28 Jul 2025, 17:59

In a certain sports club, at least 50 members play cricket, and 70

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

asdasdsf

28 Apr 2024, 22:38

30

3

4,801

by: bumpbot

29 Jul 2025, 06:06

ER

If a and b are positive integers, is (ab)^b+1 − a^a+1 odd? (1) 2a + 3

805+ (Hard) | Exponents, Number Properties

805+ (Hard) | Exponents, Number Properties hide tags

Bunuel

17 Nov 2021, 04:30

7

3

3,328

by: bumpbot

29 Jul 2025, 10:20