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

78,601

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

188,448

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

487,809

by: bb

29 Aug 2025, 13:27

Find an integer F

555-605 (Medium) | Absolute Values, Algebra

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

stolyar

22 May 2003, 00:57

18

4

7,152

by: bumpbot

31 Oct 2021, 06:39

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Is K an integer? (1) K=P/Q, where P and Q are consequtive

Poor Quality

Poor Quality hide tags

stolyar

15 May 2003, 05:09

1

10

5,048

by: bumpbot

28 Jul 2016, 19:45

ER

Find an integer n?

505-555 (Easy) | Absolute Values, Exponents

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

stolyar

22 May 2003, 01:09

2

5,632

by: Bunuel

16 Aug 2010, 09:55

ER

If 2/5 of the students at College C are business majors, wha

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Stiv

09 Jul 2012, 03:43

95

15

19,889

by: Bunuel

04 Jan 2026, 00:23

ER

To install cable television in a home, a certain cable company charges

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Stiv

21 Oct 2019, 02:28

48

6

15,780

by: bumpbot

06 Dec 2025, 16:17

ER

If k, m, and t are positive integers and k/6 + m/4 = t/12, do t and 12

655-705 (Hard) | Multiples and Factors

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

Stiv

05 Feb 2019, 03:31

269

9

38,727

by: egmat

13 Oct 2025, 10:00

ER

If mv < pv < 0, is v > 0?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Stiv

20 Jun 2012, 02:53

613

18

76,678

by: bumpbot

01 Sep 2025, 03:37

ER

If set S consists of the numbers 1, 5, -2, 8, and n, is 0 <

555-605 (Medium) | Statistics and Sets Problems

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

Stiv

14 May 2012, 12:55

71

13

26,192

by: akhilachitte

24 Aug 2025, 10:13

ER

If a and b are positive itegers, what is the value of a + b?

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

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

Stiv

02 Jul 2012, 03:47

62

8

16,265

by: bumpbot

19 Jul 2025, 15:43

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

17,106

by: bumpbot

17 Jul 2025, 09:03

ER

Is the positive integer n an odd integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Stiv

01 May 2012, 01:13

23

5

16,147

by: bumpbot

12 Nov 2024, 01:44

ER

At a particular moment, a restaurant has x biscuits and y

705-805 (Hard) | Multiples and Factors, Number Properties

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

Stiv

12 May 2012, 03:49

63

11

13,796

by: bumpbot

19 Oct 2024, 19:38

ER

If 2xy + z = 9, what is the value of the positive integer z?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Stiv

19 Aug 2013, 09:36

13

7

7,402

by: bumpbot

24 Dec 2023, 11:33

ER

How many days after the purchase of Product X does its stand

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Stiv

13 Mar 2025, 10:39

26

15

11,354

by: GMATGuruNY

19 Aug 2018, 03:30

ER

At the beginning of January 2003, Jill invested money in an account th

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

stevetaylor

20 Oct 2016, 21:53

12

8

7,029

by: bumpbot

28 Dec 2022, 12:39

ER

What is the value of X?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

stevennu

27 Jun 2017, 03:25

23

14

15,422

by: bumpbot

07 Jan 2025, 08:36

ER

Is x^2 - y^2 < 0 (1) x - y < 0 (2) x + y > 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

steppenwolf111

24 Apr 2021, 10:18

2

1,491

by: abhishekmayank

26 Apr 2021, 10:28

ER

If x is positive, is x > 4?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

steilbergauf

17 May 2014, 04:53

35

5

5,543

by: bumpbot

06 Feb 2025, 01:05

ER

Is x^2 greater than x-y?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

steilbergauf

13 May 2014, 06:31

14

4

4,543

by: bumpbot

16 Jan 2024, 07:56

ER

What % of x is y? (1) 2x+5 y=41 (2) y= 40% of x+1.8

555-605 (Medium) | Percent and Interest Problems

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

StaySafe

02 Jan 2020, 09:25

4

3

1,169

by: gvij2017

05 Jan 2020, 05:00

ER

Set T is an infinite sequence of positive integers. A

655-705 (Hard) | Statistics and Sets Problems

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

stardustsparklin

07 Jan 2005, 16:41

20

14

9,347

by: Advait01

07 Apr 2026, 10:22

ER

Automobile A is traveling at two-thirds the speed that Automobile B

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

Stardust Chris

17 Feb 2015, 10:46

22

6

11,447

by: bumpbot

27 Nov 2025, 08:48

ER

Is 3 a factor of the positive integer m?

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

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

Stardust Chris

23 Feb 2015, 14:03

19

7

5,270

by: bumpbot

20 Apr 2024, 05:09

ER

What is the sum of x, y, and z?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Stardust Chris

17 Feb 2015, 07:57

5

3

11,464

by: bumpbot

18 May 2023, 09:38

ER

a is a positive integer less than 10 and r is the remainder when

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Stardust Chris

23 Feb 2015, 14:14

6

3

2,786

by: bumpbot

09 Jan 2022, 19:42

ER

What is the value of x^8

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Stardust Chris

23 Feb 2015, 14:02

1

3

1,761

by: Kinshook

10 Jul 2019, 22:00

ER

Yesterday each coat in a store was offered on sale price.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Starburst10

17 Mar 2024, 12:59

44

10

10,623

by: lily123400

27 Aug 2025, 05:04

ER

Is a^7b^2c^3 > 0? (1) bc < 0 (2) ac > 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Stanindaw

23 Aug 2022, 21:47

9

4

3,468

by: bumpbot

17 Nov 2023, 07:44

ER

If x is an integer, is |x| > 1?

705-805 (Hard) | Absolute Values, Inequalities

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

ssgomz

06 Aug 2010, 15:53

32

2

10,409

by: bumpbot

27 Sep 2023, 01:17

ER

If p and q are positive integers such that q>p, what is the remainder

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

sset92

15 Nov 2023, 01:11

5

7

2,976

by: unraveled

30 Nov 2024, 09:17

ER

A set of numbers has a property that for any number t in the set, t+1

555-605 (Medium) | Statistics and Sets Problems

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

sset92

10 Mar 2024, 03:28

1

4

1,856

by: Bunuel

03 Apr 2024, 01:27

What is the remainder when an integer k is divided by 5?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

sset92

16 Nov 2023, 07:10

1

1,131

by: ankitmba95

19 Nov 2023, 07:58

If p, q, r, s and t are positive integers such that x = 2^p3^q and y =

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

sset92

12 Nov 2023, 11:58

2

3

1,928

by: HarshaBujji

13 Nov 2023, 07:33

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

3,807

by: Bunuel

05 Dec 2014, 04:22

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

7,409

by: Bunuel

27 Jun 2025, 01:07

The number of ways of inviting

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

sritamasia

27 Nov 2021, 14:46

6

4

2,492

by: ektalakra

20 Aug 2025, 01:40

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

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

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

1,139

by: JerryAtDreamScore

05 Dec 2021, 15:04

ER

A Software company has 40 programmers

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Poor Quality hide tags

sritamasia

03 Dec 2021, 09:34

5

3

1,076

by: BrentGMATPrepNow

04 Dec 2021, 07:02

In the figure below, find angle QPR ?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

sritamasia

28 Nov 2021, 03:07

1

1,365

by: Fdambro294

28 Nov 2021, 02:48

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

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

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

5,728

by: bumpbot

25 Jun 2025, 10:09

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

3,494

by: bumpbot

14 Nov 2024, 03:30

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

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

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

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

9,453

by: bumpbot

03 May 2024, 17:33

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