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

78,604

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

ER

Ashok and Brian are both walking east along the same path

805+ (Hard) | Distance and Speed Problems

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

1, 2

saintforlife

01 Oct 2013, 08:54

219

21

31,565

by: bumpbot

31 May 2025, 06:26

ER

A candle company determines that, for a certain specialty candle, the

555-605 (Medium) | Functions and Custom Characters, Word Problems

555-605 (Medium) | Functions and Custom Characters, Word Problems hide tags

Bunuel

03 Jul 2016, 10:47

147

16

31,557

by: bumpbot

30 May 2025, 22:06

ER

In a particular machine, there are 2 gears that interlock; One gear is

605-655 (Medium) | Work and Rate Problems

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

imhimanshu

16 Aug 2012, 08:32

167

7

31,546

by: bumpbot

21 Jan 2026, 15:05

ER

The 50 participants of a management training seminar ate dinner at a

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

08 Aug 2023, 10:00

151

11

31,538

by: KarishmaB

26 Nov 2025, 03:17

ER

In the figure above, RST is a triangle with angle measures as shown an

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

1, 2

Bunuel

26 Apr 2019, 02:23

179

21

31,533

by: bumpbot

14 Aug 2025, 07:47

ER

The lifetime of all the batteries produced by a certain company in a

505-555 (Easy) | Statistics and Sets Problems

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

vigneshpandi

03 Jan 2019, 03:53

158

16

31,492

by: anushree01

11 Jun 2025, 18:33

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K is a set of numbers such that (i) if x is in K, then -x is in K, an

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

30 Jan 2014, 23:48

159

16

31,460

by: bumpbot

02 Feb 2026, 01:56

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Does x + y = 5 ? (1) 4x + y = 17 (2) x + 4y = 8

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

gmatJP

05 Jun 2019, 08:26

66

13

31,440

by: bumpbot

21 May 2025, 22:07

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If k does not equal 0, 1 or -1, is 1/k > 0 (1) 1/(k-1) > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bull78

10 Aug 2010, 12:05

80

14

31,438

by: bumpbot

03 Jun 2025, 23:27

ER

How many subordinates does Marcia have?

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

marcodonzelli

16 Dec 2007, 03:13

224

15

31,396

by: bumpbot

20 May 2025, 06:45

ER

In City X last April, was the average (arithmetic mean)

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

09 Jul 2012, 04:53

117

11

31,393

by: bumpbot

17 Apr 2025, 03:54

ER

When all the boxes in a warehouse were arranged in stacks of 8, there

655-705 (Hard) | Remainders, Word Problems

655-705 (Hard) | Remainders, Word Problems hide tags

Bunuel

26 Sep 2025, 21:45

140

13

31,363

by: Bunuel

26 Sep 2025, 21:46

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A right circular cylinder has a radius r and a height h.

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

enigma123

12 Feb 2012, 22:04

39

10

31,326

by: va95

01 Dec 2022, 13:01

ER

Did the sum of the prices of three shirts exceed $60?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Oct 2015, 09:45

97

17

31,317

by: bumpbot

13 Sep 2025, 17:32

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Sheldon left his house at 8:30 a.m. and drove to his friend's house

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

03 Aug 2023, 10:00

165

15

31,316

by: Usernamevisible

09 Apr 2026, 11:42

ER

On June 1, Mary paid Omar $360 for rent and utilities for the month of

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

24 Jun 2018, 11:27

119

14

31,286

by: bumpbot

27 Jan 2026, 12:42

ER

What is the value of z in the triangle above?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

08 Oct 2012, 02:47

19

9

31,281

by: bumpbot

17 Nov 2023, 05:01

ER

If p and q are positive numbers, what percent of p is q?

Sub 505 (Easy) | Percent and Interest Problems

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

HarveyKlaus

22 Jan 2016, 13:04

49

4

31,268

by: bumpbot

31 May 2024, 09:20

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Ann deposited money into two new accounts, A and B. Account A earns 5

555-605 (Medium) | Percent and Interest Problems

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

geometric

15 Jan 2012, 23:49

80

8

31,266

by: bumpbot

21 Oct 2025, 12:21

ER

For all numbers t, let //t// be defined as the greatest integer less

655-705 (Hard) | Functions and Custom Characters, Number Properties

655-705 (Hard) | Functions and Custom Characters, Number Properties hide tags

martie11

06 Feb 2019, 04:00

183

17

31,248

by: Bunuel

11 Nov 2025, 00:21

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If x + y = 36, what is the value of xy?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

24 Aug 2016, 05:15

9

7

31,237

by: bumpbot

16 Oct 2021, 20:10

ER

Each gift certificate sold yesterday by a certain bookstore

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

08 Oct 2012, 02:49

85

13

31,230

by: bumpbot

06 Apr 2026, 07:54

ER

If S is the infinite sequence S1=9 S2=99 S3=999 SK=10^k-1

555-605 (Medium) | Multiples and Factors, Sequences

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

morya003

21 Jun 2014, 04:05

180

14

31,197

by: bumpbot

10 Jan 2026, 20:21

ER

A certain panel is to be composed of exactly three women and

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

1, 2

mariyea

09 Feb 2011, 14:05

129

26

31,193

by: bumpbot

27 Feb 2025, 08:41

ER

The mode of a set of integers is x. what is the difference

805+ (Hard) | Statistics and Sets Problems

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

Smita04

20 Sep 2012, 05:05

118

17

31,189

by: bumpbot

27 Mar 2026, 02:16

ER

If p/q > 5, is q < 2?

Poor Quality

Poor Quality hide tags

jeeteshsingh

15 Oct 2013, 09:04

6

31,164

by: Bunuel

15 Oct 2013, 09:14

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In the triangle above, is x > 90? (1) a^2 + b^2 < 15 (2) c>4

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

smily_buddy

14 Aug 2017, 09:10

152

12

31,149

by: bumpbot

07 Jan 2024, 03:55

ER

Is x^2 – y^2 a positive number ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

topmbaseeker

02 Oct 2008, 06:47

147

4

31,101

by: bumpbot

26 May 2025, 03:22

ER

The top surface area of a square tabletop was changed so that one of

655-705 (Hard) | Geometry, Percent and Interest Problems

655-705 (Hard) | Geometry, Percent and Interest Problems hide tags

TheRob

07 Sep 2009, 06:41

161

18

31,068

by: Bunuel

17 Sep 2025, 00:22

ER

If S is the sum of the first n positive integers, what is the value of

605-655 (Medium) | Inequalities, Statistics and Sets Problems

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

1, 2

abhi758

08 May 2010, 02:11

188

21

31,065

by: juliansorre

26 Mar 2026, 12:43

ER

If X and Y each represent single digits in the decimal above

555-605 (Medium) | Fractions and Ratios

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

harshavmrg

31 Jul 2014, 03:49

89

12

31,049

by: siddhantvarma

13 Mar 2025, 08:56

ER

What was the range of the selling prices of the 30 wallets sold by a

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

puma

19 Jul 2015, 09:05

44

11

31,038

by: totaltestprepNick

04 Mar 2026, 11:24

ER

In the figure above, what is the measure of angle ABC?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

04 Feb 2014, 01:46

25

10

31,038

by: bumpbot

16 Nov 2022, 03:18

ER

n is an integer greater than or equal to 0. The sequence tn

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

Onell

19 Jul 2021, 13:45

131

14

30,959

by: bumpbot

28 Aug 2025, 07:11

ER

On the number line, the distance between point A and point C is 5 and

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

jpr200012

30 Jul 2010, 13:20

76

7

30,951

by: bumpbot

07 Dec 2025, 21:53

ER

What is the value of x^2 - y^2? (1) x + y = 2x (2) x + y = 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

11 Dec 2018, 07:32

89

6

30,938

by: KanikaJain

21 Oct 2024, 04:00

ER

If x is a positive integer, is x! + (x + 1) a prime number?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

iamba

07 May 2015, 09:58

93

9

30,913

by: dums

08 May 2025, 15:06

ER

For a certain set of n numbers, where n > 1, is the average (arithmeti

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

26 Feb 2014, 02:24

137

14

30,858

by: ankushsambare

14 Apr 2026, 02:16

For a convention, a hotel charges a daily room rate of $120

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

mikegao

17 Oct 2008, 10:31

102

14

30,843

by: bumpbot

29 Mar 2026, 19:17

ER

Is x = 1/y? (1) xy = 1 (2) 1/(xy) = 1

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

21 Oct 2015, 21:33

32

16

30,836

by: bumpbot

10 Jun 2025, 22:26

ER

The original price of a computer was increased by x% to reach its

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

01 Aug 2023, 05:00

179

11

30,812

by: Borrat

13 Mar 2026, 13:14

ER

A certain expressway has Exits J, K, L, and M, in that order. What is

505-555 (Easy) | Arithmetic, Coordinate Plane

505-555 (Easy) | Arithmetic, Coordinate Plane hide tags

Bunuel

30 Jul 2012, 02:12

71

6

30,752

by: bumpbot

26 Jul 2025, 04:47

ER

If c and d are integers, is c even?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

1, 2

zaarathelab

30 Jan 2010, 13:15

184

20

30,752

by: agrasan

16 Jul 2025, 20:47

ER

If k is an integer and x(x k) = k + 1, what is the value of x?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

01 Sep 2015, 22:51

187

13

30,747

by: bumpbot

04 Dec 2025, 20:35

ER

Is |x| + |x -1| = 1? (1) x ≥ 0 (2) x ≤ 1

555-605 (Medium) | Absolute Values, Inequalities

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

1, 2

mendelay

23 Oct 2009, 09:55

159

25

30,694

by: Bunuel

24 Oct 2023, 00:15

ER

Is the median of the five numbers a,b,c,d,e and e equal to d?

505-555 (Easy) | Arithmetic +2 tags

505-555 (Easy) | Arithmetic, Number Properties, Statistics and Sets Problems hide tags

AbdurRakib

30 Jun 2016, 14:12

99

10

30,691

by: bumpbot

08 Sep 2025, 11:27

ER

If u > 0 and v > 0, which is greater, u^v or v^u?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

16 Jun 2016, 03:17

100

19

30,613

by: mohakgarg10

04 Oct 2025, 23:09

ER

Each person on a committee with 40 members voted for exactly one of 3

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

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

boomtangboy

01 Apr 2012, 05:29

174

14

30,609

by: bumpbot

02 Apr 2026, 06:33

ER

The operation* represents either addition, subtraction, or multiplicat

555-605 (Medium) | Arithmetic, Functions and Custom Characters

555-605 (Medium) | Arithmetic, Functions and Custom Characters hide tags

vaivish1723

16 Oct 2019, 03:49

91

8

30,606

by: bumpbot

14 Jun 2025, 03:45

ER

For a basic monthly fee of F yen, Noak's first cell phone allowed him

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

HarveyKlaus

10 Jul 2016, 02:53

97

16

30,600

by: bumpbot

24 May 2025, 03:41