GMAT Data Sufficiency (DS) Forum - Free Practice Questions

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Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

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Bunuel

25 Oct 2022, 08:11

189

15

89,301

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of June 2026

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1, 2

Bunuel

01 Jan 2026, 05:45

873

24

194,359

by: bumpbot

16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

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bb

23 Aug 2026, 13:03

1.6k

1

496,565

by: bb

23 Aug 2026, 13:01

An airplane took off from airport P and later landed at airport R at

605-655 (Medium) | Distance and Speed Problems

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Bunuel

25 Aug 2025, 22:00

6

4

927

by: stne

27 Aug 2025, 12:56

ER

If x and y are non-zero integers and |x| + |y| = 32, what is

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

1, 2

lbsgmat

08 Aug 2009, 07:32

255

23

44,666

by: bumpbot

27 Aug 2025, 11:34

ER

If x and y are positive integers, is x a multiple of y?

655-705 (Hard) | Multiples and Factors

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

Bunuel

27 Aug 2025, 11:10

17

9

4,884

by: Bunuel

27 Aug 2025, 11:31

ER

When 2 numbers are removed from 1, 3, 5, 7, 9, 11, 13, 15, 17, and 19,

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

Bunuel

04 Jan 2023, 02:30

11

6

4,040

by: KRNSW

27 Aug 2025, 11:14

How many total tokens do Blake and Kylie have? (1) Blake has 3/2 time

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

26 Aug 2025, 22:00

4

559

by: Souradeep17

27 Aug 2025, 11:07

What was Hachis average number of pages read for 15 days?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

26 Aug 2025, 22:00

2

556

by: Souradeep17

27 Aug 2025, 10:59

ER

If k is a non zero integer, is k > 0? (1) |k - 4| = |k| + 4 (2) k>k^3

705-805 (Hard) | Absolute Values, Inequalities

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

Bunuel

09 Dec 2019, 01:32

18

5

8,817

by: bumpbot

27 Aug 2025, 06:37

ER

What is the value of k^2 - k?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

12 Dec 2014, 07:07

26

13

16,821

by: bumpbot

27 Aug 2025, 05:52

ER

If x, y, and z are integers greater than 1, and (3^27)(35^10)(z) =

805+ (Hard) | Exponents, Number Properties

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jimjohn

13 Oct 2022, 00:53

111

16

29,492

by: bumpbot

27 Aug 2025, 05:36

If g is the greatest common factor of n and k+8, where n and k are pos

605-655 (Medium) | Number Properties

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rohan2345

24 Jun 2019, 07:25

3

1,821

by: bumpbot

27 Aug 2025, 01:15

ER

If vertices of a triangle are A (5, 0), B (x, y) and C (25, 0), what

555-605 (Medium) | Coordinate Plane, Geometry

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bb

11 Oct 2021, 03:50

45

7

16,252

by: bumpbot

26 Aug 2025, 23:56

ER

The Middlebury train station is between the Appleton and Lancaster sta

555-605 (Medium) | Distance and Speed Problems

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gmat1393

03 Oct 2018, 20:58

68

11

12,618

by: bumpbot

26 Aug 2025, 23:39

ER

If a and b are distinct integers and their product is not equal to

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

janani28

01 Sep 2014, 12:09

158

9

16,350

by: bumpbot

26 Aug 2025, 23:04

The total number of active members in a college fraternity is 25/2 per

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

25 Aug 2025, 22:00

3

578

by: RDM42

26 Aug 2025, 20:08

ER

A bookshelf holds both paperback and hardcover books. The

555-605 (Medium) | Fractions and Ratios, Word Problems

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

jlgdr

11 Oct 2013, 17:05

45

7

14,609

by: ablatt4

26 Aug 2025, 11:44

ER

If a1, a2, a3, ..., an, ... is a sequence such that an = 2n

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

eybrj2

28 Mar 2012, 01:57

46

9

22,476

by: Bunuel

26 Aug 2025, 10:11

ER

What is the value of positive integer x? (1) 1 ≤ x^5 ≤ 36 (2) 2x ≠ x^2

555-605 (Medium) | Algebra, Inequalities

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

Bunuel

18 Mar 2021, 01:30

9

6

2,936

by: bumpbot

26 Aug 2025, 10:00

ER

If a* = a – a^2 for all values of a

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

LordStark

13 Feb 2019, 09:55

7

4

2,625

by: Bunuel

26 Aug 2025, 06:55

ER

Is the size of a certain particle closer to 10^(-3) centimeter than

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

XimeSol

11 Dec 2023, 00:11

115

6

14,959

by: Pr4n

26 Aug 2025, 06:05

ER

At the beginning of last year, Tony's Auto Dealership had

705-805 (Hard) | Word Problems

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rockroars

16 Dec 2010, 11:48

26

13

11,610

by: bumpbot

26 Aug 2025, 03:59

ER

If the unit's digit of N is greater than 4, what is the unit's digit

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

12 Apr 2023, 01:30

2

3

2,243

by: bumpbot

26 Aug 2025, 03:54

ER

In 1994, Company X recorded profits that were 10% greater

605-655 (Medium) | Percent and Interest Problems

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Aristocrat

19 Jan 2013, 03:44

59

5

21,638

by: bumpbot

26 Aug 2025, 01:09

Is x = y ? (1) x^2 - y = 0 (2) x - 1 > 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

25 Feb 2022, 02:30

5

2

2,217

by: bumpbot

25 Aug 2025, 11:39

ER

If 25 percent of the surface area of right circular cylinder X is shad

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

14 Mar 2018, 02:12

5

3

3,159

by: bumpbot

25 Aug 2025, 11:38

ER

Steve took 5 history exams during a semester. Each score was one of th

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

14 Mar 2018, 01:46

7

4

3,502

by: bumpbot

25 Aug 2025, 11:38

ER

In a convenience store in a certain year, the average (arithmetic mean

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

14 Mar 2018, 01:27

14

4

3,659

by: bumpbot

25 Aug 2025, 11:38

A sealed tank is constructed so that liquid can be added to the tank

555-605 (Medium) | Work and Rate Problems

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

Bunuel

24 Aug 2025, 22:00

2

1

677

by: Souradeep17

25 Aug 2025, 10:32

What time will a watch show at noon on Wednesday if it loses x seconds

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

24 Aug 2025, 22:00

4

2

542

by: Souradeep17

25 Aug 2025, 10:24

ER

What is the remainder when X*Y*Z is divided by 12? (1) X, Y, Z are

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

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

amanvermagmat

14 Jan 2019, 22:14

3

1,664

by: bumpbot

25 Aug 2025, 10:06

ER

How many prime factors does positive integer n have?

805+ (Hard) | Multiples and Factors, Number Properties

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

Bunuel

06 Apr 2015, 07:08

94

15

14,441

by: bumpbot

25 Aug 2025, 06:08

ER

What is the cube root of w?

Sub 505 (Easy) | Roots

Sub 505 (Easy) | Roots hide tags

Bunuel

06 Aug 2012, 03:15

85

11

41,504

by: bumpbot

25 Aug 2025, 02:25

ER

GMAT Club Olympics 2024 (Day 8): Pipe A, working alone at its constant

805+ (Hard) | Work and Rate Problems

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

Bunuel

17 Jul 2024, 07:00

49

14

7,188

by: DhanyaAbhirami

25 Aug 2025, 01:54

ER

Each of the marbles in a jar is either red or white or blue. If one ma

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

BrainLab

19 Sep 2015, 12:55

71

10

43,294

by: bumpbot

24 Aug 2025, 22:11

ER

If pq 0, is p + q > 1/p + 1/q? (1) p < q < 1 (2) pq < 1

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

BengalScientist

12 Jun 2013, 19:33

29

8

11,270

by: bumpbot

24 Aug 2025, 21:52

ER

Is p > q? (1) 1/q < 1/p (2) p/q > 0.25

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

rajthakkar

18 Nov 2022, 04:46

15

3

8,038

by: bumpbot

24 Aug 2025, 21:39

ER

Yves can paint a certain fence in 1/2 the time it takes Marcel to pain

605-655 (Medium) | Work and Rate Problems

605-655 (Medium) | Work and Rate Problems hide tags

NoHalfMeasures

26 Jul 2017, 21:16

80

14

18,484

by: bumpbot

24 Aug 2025, 09:58

A certain health club offers only yoga classes and spin classes.

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

07 Aug 2024, 01:30

10

6

2,302

by: bumpbot

24 Aug 2025, 08:05

ER

If 4*a^2 = 9 what is the value of a?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

MBAHopef

21 Feb 2015, 13:32

6

5

3,169

by: Ters

24 Aug 2025, 07:58

ER

Andy owned farmland adjoining a 19-foot-high bank of a lake.

Sub 505 (Easy) | Poor Quality

Sub 505 (Easy) | Poor Quality hide tags

GMATslaughter100

18 Aug 2025, 02:02

6

5

1,118

by: GMATslaughter100

24 Aug 2025, 07:04

ER

How does inflation occur?

Sub 505 (Easy) | Poor Quality

Sub 505 (Easy) | Poor Quality hide tags

GMATslaughter100

18 Aug 2025, 02:03

3

7

821

by: GMATslaughter100

24 Aug 2025, 07:01

ER

If N > 0, is N a whole number?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Sajjad1994

02 Jan 2018, 11:29

2

2,265

by: bumpbot

24 Aug 2025, 06:26

ER

What results if the number x is rounded to the nearest hundred?

705-805 (Hard) | Arithmetic, Fractions and Ratios

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

Jp27

24 Apr 2024, 00:38

34

9

8,226

by: bumpbot

24 Aug 2025, 06:07

ER

Rounded to the nearest unit, x=?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

rohan2345

19 Feb 2019, 06:09

16

5

2,859

by: bumpbot

24 Aug 2025, 06:04

ER

Six numbers are randomly selected and placed within a set. If the set

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

Bunuel

10 Jun 2018, 05:00

30

16

4,457

by: bumpbot

24 Aug 2025, 04:27

ER

Julian bought 6 kilograms of cheese from each of Deli A and Deli B. At

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

salr15

24 Jun 2007, 20:46

113

13

15,941

by: bumpbot

24 Aug 2025, 04:03

ER

If m and n are nonzero integers, is m^n an integer?

605-655 (Medium) | Exponents, Number Properties

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

MHIKER

19 Nov 2020, 11:07

433

12

59,595

by: bumpbot

24 Aug 2025, 02:03

In company X, 70% of the male employees and 38% of the female employee

605-655 (Medium) | Statistics and Sets Problems

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

RenB

19 May 2023, 21:19

18

4

4,965

by: DonBosco7

24 Aug 2025, 01:14

ER

If there are B boys and G girls in a club, can the girls be divided

555-605 (Medium) | Multiples and Factors, Word Problems

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

fozzzy

20 Nov 2023, 07:48

100

4

23,919

by: bumpbot

23 Aug 2025, 21:45

Ana, Bruce and Carlos are on the waiting list of an MBA program. If

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

08 Jan 2022, 02:06

9

3

3,375

by: bumpbot

23 Aug 2025, 20:16

ER

If Alex and Keanu received the same total number of attempts during a

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

24 Apr 2017, 04:29

34

7

5,811

by: bumpbot

23 Aug 2025, 14:33