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

79,352

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

188,902

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

488,552

by: bb

29 Aug 2025, 13:27

Is the value of n closer to 25 than to 50 ? (1) 50 n > n 25 (2) n

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Carcass

27 Sep 2022, 00:59

3

2

1,372

by: bumpbot

04 Nov 2023, 05:21

ER

What is the area of triangle ABC ?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

yvette726

23 Jun 2015, 23:07

28

7

11,743

by: bumpbot

04 Nov 2023, 05:35

ER

How many people are in the queue?

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Vineetk

25 Jun 2013, 04:55

7

3

7,270

by: bumpbot

04 Nov 2023, 08:19

ER

Working together, Joe and Joanne finish a job in 2 hours. How long

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

Bunuel

03 Nov 2023, 01:30

4

2

1,253

by: VivekSri

04 Nov 2023, 11:02

ER

If △ denotes a function, what is the value of x△y ?

Sub 505 (Easy) | Functions and Custom Characters

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

Bunuel

05 Oct 2020, 01:30

1

2

1,870

by: bumpbot

04 Nov 2023, 14:10

ER

Is the least common multiple of positive integers x and y greater tha

655-705 (Hard) | Multiples and Factors

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

nislam

02 Nov 2021, 09:34

4

5

2,207

by: bumpbot

04 Nov 2023, 20:43

ER

Is there a route from A to C that passes through B and is more than 8

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

24 Oct 2017, 23:51

1

3

4,018

by: bumpbot

05 Nov 2023, 01:46

ER

If z is different from 0, is y greater than zero?

555-605 (Medium) | Algebra, Number Properties

555-605 (Medium) | Algebra, Number Properties hide tags

Carcass

25 Sep 2022, 10:49

6

3

2,162

by: bumpbot

05 Nov 2023, 02:46

ER

If x^2 - y^2 = 27, what is the value of (x + y)^2 ?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

avohden

02 Nov 2013, 00:47

27

9

12,821

by: bumpbot

05 Nov 2023, 04:51

ER

Patricia has several coins, each of which is worth either 5 cents or

555-605 (Medium) | Algebra, Word Problems

555-605 (Medium) | Algebra, Word Problems hide tags

dcummins

30 Nov 2018, 16:26

27

6

9,137

by: bumpbot

05 Nov 2023, 04:55

ER

What is the value of the positive integer n ?

555-605 (Medium) | Algebra, Inequalities

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

Carcass

29 Sep 2022, 02:28

3

2

1,555

by: bumpbot

05 Nov 2023, 05:01

If T is an integer between 10 and 100, what is the value of T ? (1) Th

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Carcass

27 Sep 2022, 00:58

3

2

1,823

by: bumpbot

05 Nov 2023, 05:09

ER

An electronics store that rents movies rents each of its VHS movies

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Gmatdecoder

30 May 2015, 03:52

10

4

3,603

by: bumpbot

05 Nov 2023, 05:10

ER

What is the value of t ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

jlgdr

02 Oct 2013, 02:06

5

12

9,813

by: bumpbot

05 Nov 2023, 05:19

ER

What is the value of t^3 - m^3? (1) t^2 - m^2 = 18 (2) t - m = 2

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

25 Sep 2019, 21:55

10

4

2,230

by: bumpbot

05 Nov 2023, 05:20

ER

If x and y are integers and x<y, is the greatest common factor (GCF) o

555-605 (Medium) | Multiples and Factors

555-605 (Medium) | Multiples and Factors hide tags

chetan2u

28 Apr 2016, 02:52

13

10

2,797

by: bumpbot

05 Nov 2023, 07:00

ER

Does (x − y)^2 = 100 ? (1) x^2 + y^2 = 52 (2) x + y = 2

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

04 Aug 2020, 22:55

13

7

3,463

by: youcouldsailaway

05 Nov 2023, 08:32

ER

Three thousand families live in a certain town. How many families who

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

Bunuel

16 Oct 2019, 08:21

16

10

11,440

by: bumpbot

05 Nov 2023, 12:21

ER

If x 0, is |x| > 1 (1) x/|x| < x (2) (x^2)^(1/2) = x

805+ (Hard) | Absolute Values, Inequalities

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

Rakesh1987

12 Oct 2023, 00:42

9

7

3,197

by: chetan2u

05 Nov 2023, 18:58

ER

if P+Q= 12, is P>Q?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

GMATBusters

25 Apr 2020, 19:18

3

16

3,254

by: bumpbot

05 Nov 2023, 20:55

ER

What is the numerical value of the expression (3m - n)/(n - m)?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

14 Jan 2018, 06:01

2

6

3,688

by: bumpbot

05 Nov 2023, 20:57

What is the remainder when 5-digit positive integer pqpqp is divided

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

BillyZ

02 May 2017, 16:20

12

4

4,060

by: bumpbot

06 Nov 2023, 00:58

ER

What percent of the children in the class are holding a Popsicle?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

06 Nov 2023, 02:30

1

826

by: VivekSri

06 Nov 2023, 05:30

ER

On Thursday afternoon, two machines, J and R, ran continuously at unif

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

Bunuel

29 Mar 2017, 05:00

7

3

2,546

by: bumpbot

06 Nov 2023, 06:29

ER

How many hours will it take 6 identical machines, working at their con

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

Bunuel

02 Apr 2018, 22:03

6

7

4,002

by: bumpbot

06 Nov 2023, 06:31

ER

If x and y are different positive integers, is x − y divisible by 10?

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

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

Bunuel

24 Jun 2020, 22:12

10

11

2,883

by: bumpbot

06 Nov 2023, 16:03

ER

In PQR above is PQ > RP? (1) x = y (2) y = z

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

GMATBusters

08 Dec 2018, 08:01

13

3

6,680

by: bumpbot

06 Nov 2023, 19:13

ER

Soda concentrate is being added into a soda-making machine in a manufa

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

Bunuel

02 Jun 2018, 13:40

6

3

2,527

by: bumpbot

06 Nov 2023, 23:18

ER

In the figure above, is AB > BC? (Note: Figure not necessarily drawn

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

23 Aug 2016, 02:44

7

4

5,305

by: Bunuel

06 Nov 2023, 23:59

ER

How many different subcommittees can be formed among the six members

505-555 (Easy) | Combinations

505-555 (Easy) | Combinations hide tags

Bunuel

31 Jan 2017, 10:10

15

6

8,172

by: bumpbot

07 Nov 2023, 03:29

ER

P, Q, R , S, T, U are positive integers, such that S/P + T/Q = U/R, is

805+ (Hard) | Algebra, Number Properties

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

Bunuel

13 Apr 2020, 02:16

35

10

5,303

by: bumpbot

07 Nov 2023, 06:36

ER

An operator is defined on letters, and the table above shows a few

705-805 (Hard) | Functions and Custom Characters

705-805 (Hard) | Functions and Custom Characters hide tags

Bunuel

28 Jun 2022, 01:30

5

6

2,190

by: Starscreen60

07 Nov 2023, 06:59

ER

In how many ways can a coach select a university team from a pool of

505-555 (Easy) | Combinations

505-555 (Easy) | Combinations hide tags

Bunuel

06 Mar 2018, 07:18

17

7

10,129

by: bumpbot

07 Nov 2023, 07:09

ER

Is quadrilateral MNOP a square?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

1, 2

fozzzy

17 Jan 2013, 05:53

70

21

22,502

by: bumpbot

07 Nov 2023, 19:17

ER

Every employee in a certain hospital works on the Day shift or on the

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

07 Nov 2023, 02:30

4

1

1,497

by: VivekSri

07 Nov 2023, 20:27

Erin writes a list of every sixth integer in increasing order, startin

805+ (Hard) | Arithmetic, Sequences

805+ (Hard) | Arithmetic, Sequences hide tags

gmatophobia

31 Mar 2022, 09:39

21

3

3,708

by: bumpbot

07 Nov 2023, 21:44

ER

Two different teams, X and Y, which have no members in

555-605 (Medium) | Statistics and Sets Problems

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

rxs0005

22 Mar 2011, 06:55

10

7

4,702

by: bumpbot

08 Nov 2023, 01:19

ER

Five persons sat next to each other around a circular table to play ca

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

Bunuel

07 Feb 2016, 10:15

18

3

6,699

by: bumpbot

08 Nov 2023, 06:44

ER

Let x, y, and z be positive integers such that y is a multiple of x.

555-605 (Medium) | Multiples and Factors, Number Properties

555-605 (Medium) | Multiples and Factors, Number Properties hide tags

Bunuel

10 Dec 2016, 06:29

5

3

4,588

by: bumpbot

08 Nov 2023, 11:28

ER

a, b, and c are 3 integers such that a < b < c. Is the sum of

605-655 (Medium) | Inequalities, Number Properties

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

TheUltimateWinner

09 Jun 2019, 09:32

5

2,498

by: Bunuel

08 Nov 2023, 11:36

ER

If x, y and z are integers, what is y – z?

605-655 (Medium) | Exponents

605-655 (Medium) | Exponents hide tags

kingflo

21 Jul 2013, 08:14

43

19

11,418

by: bumpbot

08 Nov 2023, 17:26

Is 2 - x < √(4 - x^2)? (1) x^2 < 4 (2) x > 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

TheUltimateWinner

07 Jun 2019, 03:33

4

6

2,451

by: bumpbot

08 Nov 2023, 20:25

ER

In the trapezoid above, with sides a, b, c, and 1, what is the value o

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

30 Apr 2015, 04:17

40

8

8,056

by: KarishmaB

08 Nov 2023, 22:56

ER

What is the value of Pamela's Porsche? (1) The value of Pamela's Pors

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

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

Bunuel

06 Nov 2023, 02:30

2

1

1,069

by: VibhuAnurag

09 Nov 2023, 04:44

ER

Charles the dog weighs 120 pounds. 3 months from now, will Charles wei

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

07 Nov 2023, 02:30

2

1

1,250

by: stne

09 Nov 2023, 05:25

ER

Starting 20 miles apart, two runners, A and B, begin running directly

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

Bunuel

08 Nov 2023, 02:30

4

1

1,814

by: stne

09 Nov 2023, 05:46

ER

An integer X lies between 99 and 1000. What is the tens digit of X?

705-805 (Hard) | Algebra, Remainders

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

figjam786

19 Jun 2022, 08:39

7

2

2,587

by: SaquibHGMATWhiz

09 Nov 2023, 06:37

ER

How much money was donated to The Hanks Foundation?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

29 Jun 2022, 08:00

1

2

1,030

by: bumpbot

09 Nov 2023, 13:58

ER

If pq > 4, is p > 1 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

hemanthp

26 Sep 2010, 09:41

4

8

5,327

by: bumpbot

09 Nov 2023, 21:54

ER

The numbers D, N, and P are positive integers, such that D < N, and N

805+ (Hard) | Exponents, Number Properties

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

Bunuel

17 Mar 2015, 05:58

111

10

14,398

by: Amogh2203

11 Nov 2023, 01:00