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

78,673

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

188,493

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

487,883

by: bb

29 Aug 2025, 13:27

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Line J is tangent to a circle, which is centered on the orig

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Carcass

03 Mar 2012, 12:39

24

7

7,393

by: Bunuel

08 Oct 2016, 02:49

ER

A certain carton holds fewer than 50 books. What is the number of book

605-655 (Medium) | Number Properties, Remainders

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

nilesh376

17 Apr 2010, 01:52

8

10

10,787

by: Bunuel

06 Oct 2016, 01:29

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Is |x| < 1 ?

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gmatgambler

06 Jan 2014, 03:12

9

5

4,311

by: Bunuel

30 Aug 2016, 10:18

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Is c equal to the median of the 3 positive integers a, b, c

555-605 (Medium) | Statistics and Sets Problems

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

rxs0005

14 Jan 2011, 16:25

3

8

4,682

by: bumpbot

23 Aug 2016, 04:06

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Is rectangle ABCD a square?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

24 Jun 2016, 03:24

8

9

5,193

by: HKD1710

25 Jun 2016, 14:07

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How many integers n are there such than v < n < w ?

555-605 (Medium) | Arithmetic, Number Properties

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

BN1989

14 Jun 2019, 03:47

42

5

9,924

by: Bunuel

19 Jun 2016, 09:33

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What is the average of numbers a and b?

555-605 (Medium) | Statistics and Sets Problems

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

AVINASH77

21 Apr 2016, 13:09

5

3

2,214

by: MathRevolution

25 Apr 2016, 06:22

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If x is an integer, is 3x odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

12 Apr 2016, 02:24

1

5

2,383

by: MathRevolution

16 Apr 2016, 02:42

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A certain city owns 298 buses, whose routes are divided into

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rxs0005

21 Jun 2011, 07:03

3

19

5,343

by: chetan2u

01 Feb 2016, 10:03

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What is the area of the shaded portion of the half-circle?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

31 Jan 2016, 07:26

7

5

6,042

by: chetan2u

01 Feb 2016, 08:30

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A road roller is used to press a ground of area 2200 sq.

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confusedmind

22 Sep 2012, 03:30

14

9

7,483

by: hdwnkr

17 Dec 2015, 12:14

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If k is a positive constant and y = |x - k| - |x + k|, what

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12bhang

27 Feb 2014, 06:03

65

11

23,161

by: MathRevolution

21 Nov 2015, 10:25

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Is xy < 8? (1) x < 2 and y < 4 (2) 0 < x < 1/2 and y^2 < 225

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

06 Oct 2015, 06:03

5

6

5,981

by: Bunuel

11 Oct 2015, 06:51

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If 8^0.5y 3^0.75x = 12^n then what is the value of x?? 1) n

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surendar26

20 Dec 2010, 10:14

25

8

7,999

by: brs1cob

27 Sep 2015, 08:52

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Is xy = -1 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sugu86

27 May 2014, 00:54

4

7

4,618

by: bumpbot

08 Aug 2015, 10:37

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If x is an integer such that x > 0, is it true that x is an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

09 Jul 2015, 04:19

3

6

3,728

by: Bunuel

13 Jul 2015, 03:06

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If r and s are non-negative, what is the ratio of r to s?

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anulfc

14 Jun 2015, 15:40

4

10

4,911

by: IanStewart

16 Jun 2015, 14:54

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What is the maximum number of arrangements in which N students can be

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

05 Feb 2015, 09:10

8

6,582

by: KarishmaB

30 Mar 2015, 21:01

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In the figure above, ST=3. What is the length of RS?

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Awli

26 Feb 2015, 11:24

6

4

2,801

by: KarishmaB

23 Mar 2015, 22:25

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If x > 0, is √x > x ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

16 Feb 2015, 06:48

7

5

4,182

by: EMPOWERgmatRichC

22 Feb 2015, 23:43

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If x is a positive integer, is x divisible by 15?

705-805 (Hard) | Multiples and Factors

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

CMcAboy

03 Apr 2011, 18:50

7

13

8,105

by: santorasantu

05 Dec 2014, 12:04

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A certain sum was invested in a high-interest bond for which

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punyadeep

16 Mar 2011, 07:49

31

15

14,906

by: bumpbot

19 Nov 2014, 11:32

ER

Barry leaves for the studio

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

gaurav245

02 Jul 2014, 04:49

4

5

3,230

by: Bunuel

02 Jul 2014, 05:07

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If x > 1, what is the value of integer x?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

l0rrie

18 Mar 2011, 14:07

20

12

7,335

by: Bunuel

20 Sep 2013, 00:34

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A home owner must pick between paint A, which costs $6.00

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gmac25

17 Aug 2009, 15:08

7

8

9,091

by: Bunuel

12 May 2013, 02:50

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(x-x_1)*(x-x_2)*(x-x_3)........(x-x_n)

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MacFauz

04 Dec 2012, 01:11

6

5,529

by: MacFauz

06 Dec 2012, 01:52

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What is the probability that a field gun will hit thrice on

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Smita04

09 Feb 2012, 23:35

21

6

10,264

by: Bunuel

29 Oct 2012, 13:49

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What is the remainder when n is divided by 15?

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mithun2vrs

27 Apr 2012, 11:03

9

5

9,885

by: Bunuel

12 Jun 2012, 04:56

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Three Children Alice, Brain & Chris have a total of

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qweert

07 Aug 2010, 22:30

6

10

5,097

by: Bunuel

29 Mar 2012, 05:16

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If m and z are integers, is z divisible by 11 ?

555-605 (Medium) | Multiples and Factors

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

rxs0005

06 Feb 2012, 09:11

8

5

4,559

by: Bunuel

06 Feb 2012, 14:05

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If X^3 = Y, is Y a fraction? (1) X^2 is a fraction. (2) X

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saurya_s

05 Aug 2004, 03:11

3

7,675

by: Bunuel

19 Jan 2012, 04:45

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Between what two numbers is the measure of the third side of

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agnok

09 Sep 2010, 10:27

3

8

4,369

by: Bunuel

11 Sep 2010, 23:50

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Is n an integer? (1) n^3 + 3n is an integer. (2) n^4 + 4n is

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h2polo

20 Apr 2010, 13:28

5

6

5,539

by: h2polo

20 Apr 2010, 18:25

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A certain number of books are to be divided by students. If the number

605-655 (Medium) | Multiples and Factors +2 tags

605-655 (Medium) | Multiples and Factors, Remainders, Word Problems hide tags

Bunuel

19 Oct 2021, 01:30

2

4

2,095

by: bumpbot

26 Apr 2026, 11:08

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If 50 people paid a total of $110 for tickets to attend a certain high

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

guddo

24 Jan 2024, 04:15

34

3

8,546

by: keshubhturakhia

26 Apr 2026, 04:50

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At a shipping center, every package in a certain batch is either

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

19 Apr 2026, 19:00

4

3

152

by: Bunuel

26 Apr 2026, 01:00

ER

Adam can type at a constant rate of 50 words per minute and Bernie can

805+ (Hard) | Work and Rate Problems

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

GMATinsight

20 Mar 2021, 01:50

15

5

1,998

by: bumpbot

25 Apr 2026, 23:00

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During a wedding season, two event venues, Cedar Hall and Willow Hall

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

22 Apr 2026, 19:00

3

139

by: Edskore

25 Apr 2026, 08:21

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To fill an order, a manufacturer had to produce 1000 tools per day for

555-605 (Medium) | Work and Rate Problems

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

sandranjeim

13 Jun 2019, 02:42

118

13

26,414

by: bumpbot

25 Apr 2026, 03:31

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At a water-treatment facility, a pump was used to fill an empty

555-605 (Medium) | Work and Rate Problems

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

Bunuel

23 Apr 2026, 19:00

2

3

108

by: BongBideshini

24 Apr 2026, 21:30

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What is the tenth term in a series of 89 consecutive

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

brstorewala

17 May 2003, 03:00

32

16

11,975

by: bumpbot

24 Apr 2026, 03:35

ER

Cars Y and Z travel side-by-side at the same rate of speed along paral

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

Bunuel

06 Mar 2023, 00:15

131

12

18,174

by: bumpbot

24 Apr 2026, 00:07

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For each positive integer k, let ak = (1 + 1/(k+1)). Is the product a1

655-705 (Hard) | Multiples and Factors +2 tags

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gmatt1476

21 Sep 2019, 15:20

192

13

27,462

by: bumpbot

23 Apr 2026, 15:12

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A community theater sold tickets for the same show in January and in

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

22 Apr 2026, 19:00

3

2

119

by: BongBideshini

23 Apr 2026, 10:46

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A small factory that produces only upholstered chairs and sofas uses 1

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

26 Jun 2018, 05:50

22

6

12,525

by: bumpbot

23 Apr 2026, 09:50

ER

To receive a driver license, sixteen year-olds at Culliver High School

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

iamba

01 Jul 2007, 09:43

83

15

19,993

by: bumpbot

23 Apr 2026, 08:57

ER

Some of the students enrolled at college T are part-time

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

jimmyjamesdonkey

21 Oct 2014, 23:11

38

16

22,115

by: marle

23 Apr 2026, 03:30

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Maya and Leo are digitizing a set of archival files. Working together

555-605 (Medium) | Work and Rate Problems

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

Bunuel

21 Apr 2026, 19:00

3

4

177

by: nemoexplicabo

22 Apr 2026, 15:31

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A courier company assigned each of its drivers to exactly one of three

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

21 Apr 2026, 19:00

2

4

151

by: BongBideshini

22 Apr 2026, 04:22

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At a warehouse, the daily output of Machine Orion is two-thirds of the

505-555 (Easy) | Work and Rate Problems

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

Bunuel

15 Apr 2026, 19:00

2

3

182

by: Bunuel

22 Apr 2026, 02:45