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

175

15

78,537

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

188,419

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

487,765

by: bb

29 Aug 2025, 13:27

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What is the sum of the digits of the positive integer n

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

judokan

05 Sep 2014, 22:01

32

5

24,051

by: Bunuel

05 Sep 2014, 22:02

ER

Are p, q and r all positive?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

pran21

02 Sep 2014, 03:40

1

2,323

by: Bunuel

02 Sep 2014, 03:44

ER

If the Sequence S has 100 terms what is the 83rd term

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

rxs0005

30 Sep 2010, 15:07

21

4

8,224

by: GSBae

27 Aug 2014, 07:02

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What is the value of x^6 + x^(-6) ?

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alphonsa

18 Aug 2014, 09:21

3

2

2,576

by: Bunuel

18 Aug 2014, 09:31

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If Q is a set of consecutive integers, what is the standard

605-655 (Medium) | Statistics and Sets Problems

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

hogann

15 Aug 2014, 09:08

155

7

44,554

by: Bunuel

15 Aug 2014, 09:09

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What is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sanjoo

15 Feb 2014, 02:52

4

3,109

by: taransambi

14 Aug 2014, 06:36

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If W is divisible by 7, is Z even or odd?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

abilash10

12 Aug 2014, 04:46

7

3,152

by: Bunuel

12 Aug 2014, 04:47

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The cost of delivery for an order of desk chairs was $10.00

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

ruturajp

31 Jul 2014, 02:48

14

4

6,359

by: Bunuel

31 Jul 2014, 02:49

ER

If f and g are both positive integers greater than 1

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Gnpth

25 Jul 2014, 11:07

1

3

7,483

by: Bunuel

26 Jul 2014, 02:05

ER

Seven different numbers are selected from the integers 1 to

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

aurobindo

22 Jul 2014, 14:34

27

5

16,442

by: Bunuel

22 Jul 2014, 14:35

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If a, b, and c are positive and a =b/c^1/2, what is the

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Gnpth

22 Jul 2014, 03:10

1

2

2,691

by: Bunuel

22 Jul 2014, 03:13

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Is the probability of an element in Set B also being an elem

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tabsang

28 Dec 2012, 07:18

6

4

3,076

by: Bunuel

17 Jul 2014, 08:58

ER

If n is not equal to 0, is |n| < 4 ?

605-655 (Medium) | Absolute Values, Inequalities

605-655 (Medium) | Absolute Values, Inequalities hide tags

lbsgmat

17 Jul 2014, 01:30

38

17

22,336

by: Bunuel

17 Jul 2014, 01:30

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If AD is 6, and ADC is a right angle, what is the area of

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

MackyCee

10 Jul 2014, 04:07

5

9

7,053

by: Bunuel

10 Jul 2014, 04:10

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Is x > 0 ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

DelGiudice99

09 Jul 2014, 08:46

2

3,594

by: australia123

10 Jul 2014, 00:44

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A, B, C, and D are distinct points on a plane. If triangle A

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

IrinaOK

04 Jul 2014, 05:50

7

13

5,243

by: Bunuel

04 Jul 2014, 05:52

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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

3,226

by: Bunuel

02 Jul 2014, 05:07

ER

If x and y are non-zero integers, is x = y ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

iaratul

01 Jul 2014, 04:06

9

4

3,067

by: iaratul

01 Jul 2014, 06:43

ER

What is area of square LMNO ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Gnpth

23 Jun 2014, 05:33

4

2

7,240

by: Bunuel

23 Jun 2014, 05:41

ER

Collection of 8 DS questions

605-655 (Medium) | Algebra +7 tags

605-655 (Medium) | Algebra, Fractions and Ratios, Geometry, Inequalities, Number Properties, Statistics and Sets Problems, Word Problems, Work and Rate Problems hide tags

1, 2, 3

Bunuel

13 Oct 2009, 20:16

155

50

56,540

by: raviranjankarn

22 Jun 2014, 15:56

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Is x^3 greater than x

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krishna789

11 Jun 2014, 21:30

2

4,071

by: krishna789

12 Jun 2014, 00:38

ER

The net value of a certain stock increased at a constant

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

AtifS

05 Mar 2010, 23:58

4

3,840

by: KarishmaB

11 Jun 2014, 01:42

ER

There are two boxes of markers.The first box has only red

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Manik12345

07 Jun 2014, 01:28

2

7

7,792

by: Manik12345

09 Jun 2014, 01:21

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Is the number of seconds required to travel d1 feet at r1

555-605 (Medium) | Distance and Speed Problems

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

kapilnegi

15 Jun 2008, 09:04

30

4

15,091

by: Bunuel

07 Jun 2014, 14:29

ER

What is the value of |y|?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

bagdbmba

24 Jun 2013, 06:10

2

3,510

by: madn800

04 Jun 2014, 19:20

ER

Two coins are tossed with probability landing at Head not

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

aeros232

23 Nov 2012, 03:39

6

8

6,976

by: Bunuel

04 Jun 2014, 09:11

ER

Three machines, K, M, and P, working simultaneously and

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

LGOdream

04 Sep 2011, 09:45

20

7

22,748

by: Bunuel

22 May 2014, 05:21

ER

If the point (4,6) lies on line l, and the point (x,3)

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

gauravsoni

08 Dec 2015, 03:34

2

5

5,764

by: Bunuel

21 May 2014, 02:19

ER

A certain 13m ladder is resting against a wall of height X

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rathoreaditya81

05 Dec 2009, 11:51

4

16

4,817

by: kundankshrivastava

19 May 2014, 23:42

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At the Butterfly Scout Cookie Chow Down, each girl was given

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

fozzzy

08 Oct 2013, 05:50

6

4

5,555

by: gmatkum

18 May 2014, 10:11

ER

Which is larger, the sum of the roots of equation A or the

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

dreambeliever

30 Jul 2011, 15:05

4

7

6,718

by: Bunuel

15 May 2014, 01:11

ER

Do the diagonals of a quadrilateral ABCD bisect each other

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

mydreammba

28 Apr 2012, 06:51

8

13

9,257

by: qlx

30 Apr 2014, 09:19

ER

Peter, Paul, and Mary each received a passing score on

555-605 (Medium) | Statistics and Sets Problems

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

chineseburned

29 May 2008, 20:35

26

7

17,484

by: Bunuel

19 Apr 2014, 03:29

ER

Is the positive integer p the sum of the positive prime

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

wininblue

21 Aug 2010, 04:24

2

6

4,869

by: Bunuel

16 Apr 2014, 07:32

ER

Two racecar drivers, Abernathy and Berdoff, are driving

Sub 505 (Easy) | Distance and Speed Problems

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

asiriel

20 Jun 2013, 04:00

17

7

12,692

by: NoHalfMeasures

14 Apr 2014, 06:53

ER

In the xy-plane is the slope of line k equal to 0?

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fozzzy

18 Jun 2013, 01:37

70

8

29,621

by: Bunuel

01 Apr 2014, 08:21

ER

In a group of 80 college students, how many own a car?

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

gmatprep2011

29 Mar 2014, 11:48

21

9

13,330

by: Bunuel

29 Mar 2014, 11:48

ER

At a certain restaurant, burgers, fries, and soft drinks are

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

gmatpapa

28 May 2013, 05:45

4

6

4,103

by: jlgdr

27 Feb 2014, 09:29

ER

What is my age (expressed as a positive integer)? Although

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

EvaJager

10 Oct 2012, 12:25

4

12

3,846

by: thefibonacci

26 Feb 2014, 14:15

ER

If rs#0, is 1/r + 1/s = 4 ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

ggarr

23 Feb 2014, 02:29

2

13

9,282

by: Bunuel

23 Feb 2014, 02:32

ER

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

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conty911

26 Apr 2012, 03:05

4

19

5,201

by: stne

13 Feb 2014, 07:15

ER

Is x divisible by 30?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

terp26

13 Mar 2008, 08:57

26

3

4,973

by: Bunuel

07 Feb 2014, 05:09

ER

Each member of a pack of 55 wolves has either brown or blue

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

GMATT73

25 Mar 2006, 22:17

46

10

15,890

by: Bunuel

31 Jan 2014, 08:11

ER

If nCr gives a prime value,is r=n-1?

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

mau5

14 May 2013, 03:30

5

3

2,762

by: jlgdr

07 Jan 2014, 09:29

ER

What is the value of x ?

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cssk

05 Jan 2014, 10:35

3

2,796

by: cssk

05 Jan 2014, 10:55

ER

If A, B & C can build a wall in 4 hours,working together,

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innocous

02 Sep 2013, 12:39

17

11

7,784

by: Amateur

30 Dec 2013, 15:21

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If x and y are both integers, which is larger, x^x or y^y?

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Apex231

18 Feb 2012, 09:33

7

6,171

by: jlgdr

27 Dec 2013, 10:09

ER

The third-place finisher of the Allen County hot dog eating

605-655 (Medium) | Work and Rate Problems

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

rao

29 Jul 2013, 08:33

30

5

19,512

by: Bunuel

26 Dec 2013, 08:29

ER

Is the number of seconds required to travel d1 feet at r1

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

gluon

23 Dec 2013, 00:08

16

7

8,760

by: Bunuel

23 Dec 2013, 00:09

ER

In a sequence of terms in which each term is three times the

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

hogann

18 Dec 2013, 10:20

2

5,203

by: Bunuel

18 Dec 2013, 10:21