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

89,203

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

872

24

194,318

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

496,422

by: bb

23 Aug 2026, 13:01

The volume of cylinder A is how much more than the volume of cylinder

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DangerPenguin

29 Sep 2014, 07:37

1

8

4,178

by: DangerPenguin

29 Sep 2014, 07:37

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Is integer y is divisible by 24?

505-555 (Easy) | Multiples and Factors

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Gnpth

24 Jul 2014, 07:54

10

3

6,634

by: kalaits

26 Sep 2014, 14:04

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Is quadrilateral ABCD a rectangle? (1) Line segments AC and

605-655 (Medium) | Geometry

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jamesrwrightiii

28 Aug 2007, 21:19

5

6

4,501

by: Bunuel

24 Sep 2014, 12:54

ER

S is an infinite sequence, in which the value of a

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gmatprep2011

23 Sep 2011, 23:23

18

9

5,949

by: Bunuel

21 Sep 2014, 11:41

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If r and s are positive integers, can the fraction r/s be expressed as

555-605 (Medium) | Number Properties

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joemama142000

19 Sep 2014, 07:26

8

10

6,155

by: Bunuel

19 Sep 2014, 07:27

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A cafe has a lunch special with a base price of $5.00.

705-805 (Hard) | Word Problems

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BukrsGmat

09 Aug 2012, 23:30

11

3

4,977

by: dd29

15 Sep 2014, 03:40

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What is the greatest common divisor of a + b and 4?

505-555 (Easy) | Multiples and Factors

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Maksym

29 Jun 2014, 08:53

7

2

3,612

by: GSBae

09 Sep 2014, 06:55

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

555-605 (Medium) | Number Properties

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judokan

05 Sep 2014, 22:01

33

5

24,323

by: Bunuel

05 Sep 2014, 22:02

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Are p, q and r all positive?

Sub 505 (Easy) | Number Properties

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pran21

02 Sep 2014, 03:40

1

2,405

by: Bunuel

02 Sep 2014, 03:44

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

555-605 (Medium) | Sequences

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rxs0005

30 Sep 2010, 15:07

21

4

8,341

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

2,645

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

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hogann

15 Aug 2014, 09:08

156

7

44,832

by: Bunuel

15 Aug 2014, 09:09

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What is the value of x?

555-605 (Medium) | Algebra

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sanjoo

15 Feb 2014, 02:52

4

3,209

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

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abilash10

12 Aug 2014, 04:46

7

3,227

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

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ruturajp

31 Jul 2014, 02:48

14

4

6,509

by: Bunuel

31 Jul 2014, 02:49

ER

If f and g are both positive integers greater than 1

555-605 (Medium) | Exponents

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Gnpth

25 Jul 2014, 11:07

1

3

7,579

by: Bunuel

26 Jul 2014, 02:05

ER

Seven different numbers are selected from the integers 1 to

605-655 (Medium) | Remainders

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aurobindo

22 Jul 2014, 14:34

27

5

16,574

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

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Gnpth

22 Jul 2014, 03:10

1

2

2,764

by: Bunuel

22 Jul 2014, 03:13

ER

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

3,176

by: Bunuel

17 Jul 2014, 08:58

ER

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

605-655 (Medium) | Absolute Values, Inequalities

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lbsgmat

17 Jul 2014, 01:30

38

17

22,551

by: Bunuel

17 Jul 2014, 01:30

ER

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

655-705 (Hard) | Geometry

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MackyCee

10 Jul 2014, 04:07

5

9

7,142

by: Bunuel

10 Jul 2014, 04:10

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Is x > 0 ?

505-555 (Easy) | Inequalities

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DelGiudice99

09 Jul 2014, 08:46

2

3,671

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

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IrinaOK

04 Jul 2014, 05:50

7

13

5,350

by: Bunuel

04 Jul 2014, 05:52

ER

Barry leaves for the studio

705-805 (Hard) | Distance and Speed Problems

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gaurav245

02 Jul 2014, 04:49

4

5

3,314

by: Bunuel

02 Jul 2014, 05:07

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

705-805 (Hard) | Algebra

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iaratul

01 Jul 2014, 04:06

9

4

3,180

by: iaratul

01 Jul 2014, 06:43

ER

What is area of square LMNO ?

Sub 505 (Easy) | Geometry

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Gnpth

23 Jun 2014, 05:33

4

2

7,339

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

156

50

57,000

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

4,143

by: krishna789

12 Jun 2014, 00:38

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The net value of a certain stock increased at a constant

Sub 505 (Easy) | Word Problems

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AtifS

05 Mar 2010, 23:58

4

3,944

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

7,885

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

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kapilnegi

15 Jun 2008, 09:04

30

4

15,240

by: Bunuel

07 Jun 2014, 14:29

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What is the value of |y|?

555-605 (Medium) | Absolute Values

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bagdbmba

24 Jun 2013, 06:10

2

3,622

by: madn800

04 Jun 2014, 19:20

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Two coins are tossed with probability landing at Head not

605-655 (Medium) | Probability

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aeros232

23 Nov 2012, 03:39

6

8

7,087

by: Bunuel

04 Jun 2014, 09:11

ER

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

Sub 505 (Easy) | Work and Rate Problems

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LGOdream

04 Sep 2011, 09:45

20

7

22,952

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

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gauravsoni

08 Dec 2015, 03:34

2

5

5,837

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

4,932

by: kundankshrivastava

19 May 2014, 23:42

ER

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

655-705 (Hard) | Algebra

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dreambeliever

30 Jul 2011, 15:05

4

7

6,831

by: Bunuel

15 May 2014, 01:11

ER

Do the diagonals of a quadrilateral ABCD bisect each other

655-705 (Hard) | Geometry

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mydreammba

28 Apr 2012, 06:51

8

13

9,409

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

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chineseburned

29 May 2008, 20:35

28

7

17,656

by: Bunuel

19 Apr 2014, 03:29

ER

Is the positive integer p the sum of the positive prime

655-705 (Hard) | Number Properties

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wininblue

21 Aug 2010, 04:24

2

6

4,978

by: Bunuel

16 Apr 2014, 07:32

ER

Two racecar drivers, Abernathy and Berdoff, are driving

Sub 505 (Easy) | Distance and Speed Problems

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asiriel

20 Jun 2013, 04:00

17

7

12,825

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

29,815

by: Bunuel

01 Apr 2014, 08:21

ER

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

805+ (Hard) | Overlapping Sets

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gmatprep2011

29 Mar 2014, 11:48

21

9

13,536

by: Bunuel

29 Mar 2014, 11:48

ER

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

705-805 (Hard) | Word Problems

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gmatpapa

28 May 2013, 05:45

4

6

4,208

by: jlgdr

27 Feb 2014, 09:29

ER

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

805+ (Hard) | Number Properties

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EvaJager

10 Oct 2012, 12:25

4

12

3,998

by: thefibonacci

26 Feb 2014, 14:15

ER

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

505-555 (Easy) | Algebra

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ggarr

23 Feb 2014, 02:29

2

13

9,443

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

5,294

by: stne

13 Feb 2014, 07:15

ER

Is x divisible by 30?

805+ (Hard) | Multiples and Factors

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terp26

13 Mar 2008, 08:57

27

3

5,091

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

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GMATT73

25 Mar 2006, 22:17

46

10

16,032

by: Bunuel

31 Jan 2014, 08:11

ER

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

705-805 (Hard) | Number Properties

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mau5

14 May 2013, 03:30

5

3

2,846

by: jlgdr

07 Jan 2014, 09:29