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

178

15

78,881

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,618

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

488,063

by: bb

29 Aug 2025, 13:27

ER

Is m+10 positive?

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sandysilva

18 Dec 2017, 02:58

7

1,827

by: sandysilva

18 Dec 2017, 07:58

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There is a n-polygon, what is the value of n?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

MathRevolution

18 Feb 2016, 18:56

8

7

2,863

by: MathRevolution

14 Aug 2017, 11:03

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If b is an even integer is b < 0?

705-805 (Hard) | Algebra, Inequalities

705-805 (Hard) | Algebra, Inequalities hide tags

audiogal101

23 Nov 2013, 11:31

5

7

3,134

by: bumpbot

01 Aug 2017, 07:59

ER

ABC is a triangle with BC = AC = 6. D is a point on AB. What is the

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

17 Jul 2017, 23:19

2

7

2,302

by: gmat4varun

19 Jul 2017, 01:29

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What is the value of the integer n? (1) n(n + 2) = 15 (2) (n

555-605 (Medium) | Algebra, Exponents

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

ajit257

10 Jul 2013, 01:54

55

7

35,723

by: akshayk

14 Jul 2017, 12:41

ER

Is rst > 1?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

14 Jun 2017, 06:49

2

7

2,602

by: JeffTargetTestPrep

06 Jul 2017, 18:30

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Three friends are trying to decide how to split up a tub of ice cream.

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VyshakhR1995

06 Apr 2017, 05:20

2

7

3,189

by: Bunuel

03 Jul 2017, 10:23

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Robin and Barney, the guitarist and bassist, respectively, of a popula

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

16 Feb 2015, 06:51

3

7

3,192

by: ydmuley

28 Jun 2017, 12:40

ER

Is y > 0?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

24 Jun 2017, 00:13

5

7

3,023

by: ydmuley

26 Jun 2017, 00:23

ER

What is the perimeter of triangle MNO?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

17 Jan 2016, 11:28

4

7

3,335

by: bumpbot

13 May 2017, 07:50

ER

If k is an integer, is 5^(-k) < 5^(1-2k)?

555-605 (Medium) | Exponents, Inequalities

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

Bunuel

17 Sep 2015, 00:46

6

7

5,215

by: Bunuel

12 May 2017, 07:06

There is a company X that does not elect employees who are under 20 ye

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BillyZ

09 Mar 2017, 22:38

10

7

3,164

by: bobby200

04 Apr 2017, 07:26

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If a ≠ 0, does xa = a ?

555-605 (Medium) | Algebra, Number Properties

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

Bunuel

24 Aug 2015, 23:51

5

7

3,065

by: bumpbot

16 Mar 2017, 19:34

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The length of a rectangular solid is a, its width is b, and

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

eladshush

04 Oct 2010, 06:37

7

3,725

by: KrishnakumarKA1

15 Mar 2017, 01:48

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In a certain game, scoring plays result in 2, 7, or 11 point

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MzJavert

03 Jul 2013, 08:34

7

4,857

by: Bunuel

27 Feb 2017, 22:08

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If x>y>1, is y an even number?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

chetan2u

14 Feb 2017, 20:25

1

7

2,092

by: ScottTargetTestPrep

16 Feb 2017, 12:16

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Is q > r?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

HKD1710

15 Jan 2017, 08:26

2

7

2,239

by: Bunuel

16 Jan 2017, 06:10

ER

If |a – b| = 2, what is the value of b?

555-605 (Medium) | Absolute Values, Inequalities

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

Bunuel

06 Dec 2016, 00:48

9

7

3,289

by: mvictor

10 Jan 2017, 16:04

ER

If x is an integer, is 6 a factor of x^3?

505-555 (Easy) | Multiples and Factors

505-555 (Easy) | Multiples and Factors hide tags

Bunuel

23 Nov 2016, 03:14

6

7

2,258

by: Bunuel

12 Dec 2016, 07:05

ER

If x is a positive integer and the sum of its digits is 1, how many

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

03 Nov 2016, 02:31

2

7

1,562

by: kashyap89

04 Nov 2016, 13:25

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Is A an odd integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

chetan2u

19 May 2016, 22:48

7

2,848

by: syahasa2

09 Oct 2016, 03:13

ER

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

7,396

by: Bunuel

08 Oct 2016, 02:49

ER

How much water (in grams) should be added to a 35%-solution of acid to

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

abhi758

17 Aug 2009, 08:09

37

7

21,252

by: Bunuel

30 Jul 2016, 02:33

ER

If n is an integer, is n + 4 a prime number?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

metallicafan

05 Sep 2013, 08:19

8

7

4,416

by: MathRevolution

06 Dec 2015, 11:33

ER

Which inequality below most accurately represents the range of possibl

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

24 Aug 2015, 23:37

2

7

2,751

by: etdenlinger

15 Sep 2015, 04:20

ER

What is the value of x? (1) 3x + 15y = 35 (2) 70 − 6x = 30y

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

09 Sep 2015, 00:48

5

7

3,676

by: Bunuel

14 Sep 2015, 06:55

ER

Is xy = -1 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sugu86

27 May 2014, 00:54

4

7

4,619

by: bumpbot

08 Aug 2015, 10:37

ER

A ladder of fixed length is stacked against a wall. The wall is perpen

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mahiGMAT

25 Mar 2015, 03:08

3

7

3,224

by: SherLocked2018

30 Mar 2015, 02:33

ER

In the rectangular coordinate system above, if OB < BC then is the are

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

TARGET730

09 Feb 2015, 03:34

9

7

4,175

by: chetan2u

16 Feb 2015, 18:58

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José deposited a total of $ 10,000 into two interest-bearing accounts

555-605 (Medium) | Percent and Interest Problems

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

gmatmania17

29 Dec 2014, 05:28

7

3,846

by: EMPOWERgmatRichC

30 Dec 2014, 21:01

ER

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

44,576

by: Bunuel

15 Aug 2014, 09:09

ER

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

3,154

by: Bunuel

12 Aug 2014, 04:47

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

7,800

by: Manik12345

09 Jun 2014, 01:21

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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

22,759

by: Bunuel

22 May 2014, 05:21

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

6,724

by: Bunuel

15 May 2014, 01:11

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

26

7

17,498

by: Bunuel

19 Apr 2014, 03:29

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

12,696

by: NoHalfMeasures

14 Apr 2014, 06:53

ER

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

6,176

by: jlgdr

27 Dec 2013, 10:09

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

8,775

by: Bunuel

23 Dec 2013, 00:09

ER

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

655-705 (Hard) | Exponents, Inequalities

655-705 (Hard) | Exponents, Inequalities hide tags

AnkitK

23 Jul 2011, 02:25

4

7

4,987

by: Bunuel

08 Sep 2013, 06:04

ER

If sets X and Y have an equal number of elements, does set X have a

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enigma123

23 Nov 2011, 13:58

26

7

19,544

by: alphabeta1234

01 Aug 2012, 18:44

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Is the triangle in the attached picture isosceles?

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retro

16 Apr 2011, 10:56

7

2,683

by: fluke

16 Apr 2011, 12:19

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In the decimal above, each of X and Y represent a single

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hemanthp

20 Oct 2010, 00:06

3

7

4,827

by: IanStewart

27 Oct 2010, 07:16

Set A and B are 2 sets of numbers. A has a standard

605-655 (Medium) | Statistics and Sets Problems

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seekmba

23 Sep 2010, 18:39

9

7

5,646

by: Raths

16 Oct 2010, 07:19

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Paralleogram ABCD has diagonal AC and BD what is the area of

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rxs0005

10 Sep 2010, 06:47

1

7

4,035

by: TehJay

13 Sep 2010, 07:15

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GMAT CLUB OLYMPICS: Odyssey runs from the Trojan Horse, which does not

805+ (Hard) | Distance and Speed Problems

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Bunuel

19 Aug 2021, 08:00

51

6

10,840

by: bumpbot

29 Apr 2026, 07:55

ER

A group of 10 athletes was competing in a marathon race. If the range

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

07 Nov 2019, 03:23

6

3,710

by: bumpbot

29 Apr 2026, 06:56

ER

If the terms of a sequence with even integers are a1, a2, a3, . . . ,

655-705 (Hard) | Sequences

655-705 (Hard) | Sequences hide tags

Bunuel

26 May 2016, 11:09

9

6

4,316

by: bumpbot

27 Apr 2026, 04:40

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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

12,598

by: bumpbot

23 Apr 2026, 09:50

ER

Cedar Court and Maple Court have the same number of occupied apartment

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

Bunuel

12 Apr 2026, 19:00

5

6

309

by: DropletMaverick

21 Apr 2026, 01:12