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

78,631

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

188,466

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

487,849

by: bb

29 Aug 2025, 13:27

ER

For a positive number x, {x} is the fractional part of x.

705-805 (Hard) | Fractions and Ratios, Functions and Custom Characters

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

solitaryreaper

07 Jan 2015, 05:54

121

7

12,785

by: bumpbot

03 Jul 2025, 00:40

ER

A bowl contains balls that are either yellow

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

solutaearum

04 Oct 2025, 20:55

3

525

by: abgmat01

09 Oct 2025, 08:57

If q is a multiple of prime numbers, is q a multiple of r ?

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SonalSinha803

20 Apr 2018, 04:34

3

4,064

by: push12345

06 May 2018, 11:43

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If a, b and c are integers such that b > a, is b+c > a

805+ (Hard) | Geometry, Inequalities

805+ (Hard) | Geometry, Inequalities hide tags

sondenso

10 Aug 2012, 00:22

112

16

40,205

by: bumpbot

07 Oct 2022, 20:29

ER

What is the maximum number of rectangular blocks, each with

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

sondenso

25 Mar 2012, 03:26

44

15

29,008

by: bumpbot

14 Nov 2023, 05:19

ER

During a sale, for each shirt that Mark purchased at the regular price

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

sondenso

09 Jun 2008, 00:59

39

16

20,679

by: bumpbot

17 Jun 2025, 07:04

ER

The table above shows the morning schedule for train X . If Juan took

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

sondenso

01 Nov 2018, 03:41

70

10

22,212

by: bumpbot

16 Jul 2025, 01:00

ER

If the average (arithmetic mean) of the assessed values of x houses is

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

sondenso

20 Nov 2023, 09:37

80

11

26,995

by: GMAT1034

22 Jul 2025, 09:13

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

232

14

47,780

by: bumpbot

25 Nov 2025, 23:16

ER

Bob and Wendy left home to walk together to a restaurant for

805+ (Hard) | Distance and Speed Problems

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

1, 2

sondenso

03 Mar 2008, 23:46

331

21

51,926

by: bumpbot

04 Jan 2026, 00:31

ER

If x, y, and z are positive integers, what is the remainder when 100x

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

sondenso

10 Jun 2008, 22:37

127

16

39,350

by: Bunuel

07 Feb 2026, 11:33

ER

Whenever Sally takes a cab and the fare is between $15 and $

605-655 (Medium) | Percent and Interest Problems

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

SoniaSaini

27 Jan 2011, 09:30

19

6

9,084

by: bumpbot

23 Aug 2025, 05:48

ER

All of the members of club Y are either Democrats or Republi

555-605 (Medium) | Fractions and Ratios

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

sonibubu

14 Sep 2013, 07:08

60

6

15,822

by: bumpbot

13 Aug 2025, 13:56

ER

In the figure above, what is the ratio of the area of triangle ABC to

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SonyGmat

08 Jan 2012, 04:59

2

9

9,076

by: SonyGmat

09 Jan 2012, 14:45

ER

ABCD is a parallelogram which has a right angle. If the

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

SonyGmat

30 Oct 2011, 03:01

11

10

5,307

by: bumpbot

04 Aug 2023, 21:04

ER

If A, B and C are digits between 0 and 9 inclusive, what is

705-805 (Hard) | Arithmetic

705-805 (Hard) | Arithmetic hide tags

SonyGmat

16 Jan 2012, 14:38

39

8

10,657

by: MS26

03 Mar 2026, 06:09

ER

Set D is a new set created by combining all the terms of Set

705-805 (Hard) | Statistics and Sets Problems

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

sophietrophy

01 Mar 2024, 01:45

15

12

6,024

by: DmitryFarberMPrep

01 Mar 2024, 00:07

ER

What is the largest number of rectangular boxes which can be stored in

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

soumya170293

15 Nov 2019, 21:12

4

2,270

by: bumpbot

16 Apr 2024, 20:19

If x and y are integers and -50 < x < 0, what is the greatest possible

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Soumya200011

28 Feb 2023, 03:53

4

6

3,803

by: MBAB123

23 Apr 2021, 03:42

ER

The median of a set of 5 different numbers is x

655-705 (Hard) | Statistics and Sets Problems

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

souvik101990

17 Apr 2018, 01:39

15

5,548

by: bumpbot

16 Aug 2024, 10:19

ER

A store sells only two types of shirts - branded and non-branded

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

souvik101990

20 Apr 2018, 01:34

17

10

5,076

by: bumpbot

28 Jul 2025, 04:48

ER

If Alyssa is twice as old as Brandon, by how many years

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

souvik101990

18 May 2018, 11:42

10

5

5,888

by: bumpbot

09 Sep 2025, 01:27

ER

In a group of 3 girls and 2 boys, the average height is

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

souvik101990

12 Apr 2018, 13:26

17

10

4,243

by: bumpbot

14 Jan 2026, 00:05

ER

Is xy < 100?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

souvonik2k

01 Nov 2016, 08:39

2

2,603

by: souvonik2k

01 Nov 2016, 08:47

ER

For any increase in x, the value of y decreases by double the value..

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

souvonik2k

22 Nov 2016, 08:27

1

3

3,489

by: GMATinsight

06 Nov 2016, 05:33

ER

Two players are to be selected from a football team which consists of

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

souvonik2k

29 Oct 2017, 10:12

9

3

2,488

by: IanStewart

27 Jul 2019, 09:47

ER

At a given school, the number of students enrolled in neither an

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

souvonik2k

03 Apr 2018, 11:49

3

1,995

by: Bunuel

10 Sep 2019, 00:36

ER

Set A consists of consecutive integers. What is the median of all the

655-705 (Hard) | Statistics and Sets Problems

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

souvonik2k

28 Oct 2017, 23:09

215

14

18,343

by: Bunuel

01 Jun 2025, 01:17

ER

Does abcd = 1?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

spacelandprep

03 Mar 2011, 21:31

1

4

4,923

by: spacelandprep

03 Mar 2011, 21:54

ER

Is x > sqrt(3)? (1) 3^(x) = sqrt(27) (2)x^3 + x^5 + x^7

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spacelandprep

07 Mar 2011, 11:14

2

10

4,787

by: spacelandprep

08 Mar 2011, 16:25

An IT Department employs 8 people at an average salary of $8

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SpencerH

24 Apr 2013, 21:05

4

3

3,213

by: doe007

24 Apr 2013, 22:33

ER

For all integers n, the function f is defined by f(n) = a^n, where a

505-555 (Easy) | Exponents, Functions and Custom Characters

505-555 (Easy) | Exponents, Functions and Custom Characters hide tags

sperumba

15 Sep 2020, 03:08

66

9

22,627

by: bumpbot

17 Jun 2025, 21:47

ER

If M and N are integers, is ((10^M)) + N)/3 an integer?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

1, 2

sprtng

27 Jul 2015, 14:45

47

20

14,572

by: bumpbot

22 Jun 2025, 12:28

ER

What are the coordinates of point A?

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

sps1604

13 Jun 2013, 08:21

53

12

12,298

by: bumpbot

24 Sep 2023, 20:10

ER

The sum of two positive integers, m and n, is a multiple of

705-805 (Hard) | Multiples and Factors, Remainders

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

sps1604

13 Jun 2013, 05:57

57

9

9,454

by: bumpbot

03 May 2024, 17:33

ER

Is mn<10?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Srav

11 Oct 2015, 00:23

64

12

13,835

by: bumpbot

29 Oct 2024, 23:17

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

11,074

by: bumpbot

12 Jan 2021, 02:11

ER

Lines L and M intersect at (-2,-2). Is the Value of X- intercept of L

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

srikanth9502

02 Oct 2017, 00:26

48

15

8,646

by: bumpbot

19 Oct 2024, 02:07

ER

In a certain game, what is the probability that Martha wins the first

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

srikanth9502

04 Aug 2017, 12:22

12

3

3,495

by: bumpbot

14 Nov 2024, 03:30

ER

A jar contains exactly 100 marbles; each marble contains exactly

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

srikanth9502

14 Jul 2017, 22:03

38

3

5,730

by: bumpbot

25 Jun 2025, 10:09

ER

For all integers n, n* = n(n – 1). What is the value of x* w

705-805 (Hard) | Arithmetic, Functions and Custom Characters

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

srini123

20 Nov 2009, 16:24

33

12

8,703

by: bumpbot

28 Apr 2025, 00:57

S is a set of positive integers. Is the median of the set S an integer

655-705 (Hard) | Statistics and Sets Problems

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

srishin

26 Aug 2023, 13:42

4

2,513

by: srishin

30 Aug 2023, 01:03

In the figure below, find angle QPR ?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

sritamasia

28 Nov 2021, 03:07

1

1,366

by: Fdambro294

28 Nov 2021, 02:48

ER

A Software company has 40 programmers

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sritamasia

03 Dec 2021, 09:34

5

3

1,077

by: BrentGMATPrepNow

04 Dec 2021, 07:02

ER

If a = 2 and b is an integer, is [m]a^{44} < b^{11}[/m]?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

sritamasia

03 Dec 2021, 10:40

1

2

1,141

by: JerryAtDreamScore

05 Dec 2021, 15:04

ER

Is y a perfect square, where x and y are natural numbers?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

sritamasia

04 Dec 2021, 22:39

2

4

1,888

by: kaptainklutz

05 Dec 2021, 15:09

ER

What is the ratio of the cost price of a Hershey's Chocolate to its se

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

sritamasia

27 Nov 2021, 16:12

6

4

2,102

by: bumpbot

17 Jun 2025, 22:08

The number of ways of inviting

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

sritamasia

27 Nov 2021, 14:46

6

4

2,494

by: ektalakra

20 Aug 2025, 01:40

ER

If x is an integer, what is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

srujani

01 Jul 2013, 22:09

18

9

7,410

by: Bunuel

27 Jun 2025, 01:07

ER

If x + y is an integer, is y an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

sset009

26 Jul 2008, 10:30

9

3

3,808

by: Bunuel

05 Dec 2014, 04:22