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

78,690

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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

188,503

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

487,914

by: bb

29 Aug 2025, 13:27

ER

A box contains blue and purple marbles only. What is the

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shrive555

23 Oct 2010, 22:29

3

9

4,970

by: bumpbot

24 Sep 2019, 06:58

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What is the area of the circle above with center O?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

20 Aug 2019, 02:28

4

8

2,111

by: Bunuel

19 Sep 2019, 02:34

ER

In the rectangular coordinate system above, if AB < BC, is the area of

655-705 (Hard) | Coordinate Plane, Geometry

655-705 (Hard) | Coordinate Plane, Geometry hide tags

Bunuel

20 Aug 2019, 01:51

3

4

2,291

by: Bunuel

19 Sep 2019, 01:47

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In the figure above, if the area of square region B is 4, what is the

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

19 Aug 2019, 00:56

1

4

1,886

by: Bunuel

18 Sep 2019, 01:23

ER

If by agreement a service department must reply to any customer inquir

555-605 (Medium) | Word Problems

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Bunuel

16 Aug 2019, 03:00

1

4

1,028

by: Bunuel

18 Sep 2019, 01:06

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A right triangle has two legs of equal length. What is the perimeter,

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Sajjad1994

15 Aug 2019, 00:28

1

4

1,393

by: Kinshook

17 Sep 2019, 07:02

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A box contains only pens, pencils, and pads. If an item is randomly se

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

Bunuel

16 Aug 2019, 01:47

6

3,425

by: Bunuel

17 Sep 2019, 05:10

ER

At a store, the range of the prices in Group A of items is a, and the

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

15 Aug 2019, 01:51

3

1,139

by: Bunuel

17 Sep 2019, 04:27

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A line segment parallel to the second-smallest side of a right triangl

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Sajjad1994

15 Aug 2019, 00:31

2

3

1,550

by: Bunuel

17 Sep 2019, 02:54

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If n and m are integers, is nm odd? (1) n + 1 = m (2) m/n is an even

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

15 Aug 2019, 01:14

3

2,555

by: Bunuel

17 Sep 2019, 02:36

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In the xy-plane above, is angle QPR a right angle? (1) Line segment P

Sub 505 (Easy) | Coordinate Plane, Geometry

Sub 505 (Easy) | Coordinate Plane, Geometry hide tags

Bunuel

14 Aug 2019, 01:30

5

2,134

by: Bunuel

12 Sep 2019, 20:44

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If d and g are integers, is d + g an even integer? (1) d is an even

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

14 Aug 2019, 01:33

3

7

2,448

by: rishab0507

10 Sep 2019, 12:45

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Is y a positive number? (1) 33y > 44y (2) y + 1 is positive.

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

14 Aug 2019, 01:27

4

1,346

by: Bunuel

10 Sep 2019, 01:46

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Is m^2n + mn^2 = 0 ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

14 Jul 2015, 00:55

23

18

5,001

by: bumpbot

07 Sep 2019, 01:56

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On each lab that René completed he received either 100 points or 85 po

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

14 Apr 2015, 04:49

9

11

5,533

by: bumpbot

06 Sep 2019, 04:24

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What is the equation of the line L?

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

vaibhav1221

02 Sep 2019, 00:14

4

12

2,729

by: vanam52923

02 Sep 2019, 23:10

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At a particular school, 60 male students play sports. How many male st

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

Bunuel

06 Apr 2016, 02:11

11

8

3,703

by: bumpbot

20 Aug 2019, 09:32

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A number w with two digits to the right of the decimal point is multip

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Xin Cho

08 Aug 2019, 11:55

8

6

2,057

by: IanStewart

10 Aug 2019, 07:51

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Two players are to be selected from a football team which consists of

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

souvonik2k

29 Oct 2017, 10:12

9

3

2,488

by: IanStewart

27 Jul 2019, 09:47

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X, Y and Z are positive integers, and X+2Y+2Z=13. Z=?

705-805 (Hard) | Arithmetic

705-805 (Hard) | Arithmetic hide tags

rajareena

15 May 2012, 22:26

6

7

5,625

by: bumpbot

27 Jun 2019, 07:45

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If ab < ac, which is greater b or c ? (1) a < 0 (2) c < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Riju1191

01 Jan 2011, 12:48

7

12

8,553

by: bumpbot

24 Jun 2019, 15:41

ER

Is x > x^2?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

rxs0005

24 Jan 2011, 08:38

9

10

4,449

by: bumpbot

24 Jun 2019, 04:54

ER

If x is an integer, is x ≤ 11? (1) 7x < 77 (2) 190 - 20x <10

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

GloryBoy92

16 Jun 2019, 02:48

3

8

1,617

by: Debashis Roy

17 Jun 2019, 09:03

ER

The product of 4 consecutive odd integers is negative. What is the lar

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

MathRevolution

17 Jul 2018, 01:11

5

6

2,148

by: CareerGeek

14 Jun 2019, 23:49

ER

Is x < y ? (1) y/x > x/y (2) y > 100

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

goodyear2013

18 Apr 2014, 10:04

9

4

3,803

by: CrackverbalGMAT

12 Jun 2019, 05:26

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If X and Y are positive integers, is X greater than Y?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

18 Jul 2016, 08:25

5

10

5,332

by: Stepk1386

06 Jun 2019, 14:47

ER

Does line k pass through center of the circle? (1) The circle inters

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

Bunuel

02 Apr 2019, 03:23

3

5

2,961

by: KarishmaB

04 Jun 2019, 23:47

ER

Can the positive integer q be written as the sum of three different

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

10 Dec 2017, 01:22

5

7

3,224

by: Bunuel

27 May 2019, 21:33

ER

R1 and R2 are two rectangular tanks. Which one of them has a greater

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

amanvermagmat

14 Mar 2018, 22:44

4

7

1,966

by: bumpbot

23 Apr 2019, 12:51

ER

A set S={10,1,5,a,b,6,c} where a,b&c are different positive integers,

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kiran120680

13 Mar 2019, 02:25

11

12

4,123

by: GMATBusters

25 Mar 2019, 08:41

ER

If x 0, is xy > 0? (1) x > 0 (2) 1/x < y

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

19 Jun 2015, 01:58

13

6

6,240

by: BelalHossain046

13 Mar 2019, 09:24

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For the given set n = {3, 6, 4, 6, 5, p}, is p > 2?

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shivaleo

12 Nov 2018, 10:50

12

6

4,808

by: Bunuel

02 Mar 2019, 04:06

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Is positive integer k the square of an integer?

705-805 (Hard) | Out of Scope - Too Hard

705-805 (Hard) | Out of Scope - Too Hard hide tags

BrentGMATPrepNow

27 Feb 2019, 18:11

4

2,913

by: ocelot22

01 Mar 2019, 15:08

ER

What is the value of p^8 - q^8 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

01 Feb 2018, 23:56

6

7

3,408

by: KanishkM

19 Feb 2019, 03:15

ER

Is the positive number 'x' an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

alphonsa

15 Aug 2014, 09:00

7

6

3,171

by: bumpbot

19 Feb 2019, 01:18

ER

If O is the center of the circle with diameter AB and T is a tangency

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

fskilnik

11 Feb 2019, 12:51

25

3

3,818

by: GMATGuruNY

12 Feb 2019, 15:27

ER

If √m is an integer, what is the value of √m?

555-605 (Medium) | Inequalities, Number Properties

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

Bunuel

21 Sep 2018, 01:35

6

3,254

by: sheen22

30 Jan 2019, 08:52

ER

Is p^2 - 1 divisible by 12?

555-605 (Medium) | Multiples and Factors, Number Properties

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

alphonsa

15 Aug 2014, 09:13

13

8

9,701

by: KanishkM

05 Jan 2019, 09:04

ER

Is ab a prime number?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

07 Oct 2015, 06:34

19

5

9,655

by: masoomjnegi

20 Dec 2018, 03:37

ER

What is the value of x?

505-555 (Easy) | Inequalities, Number Properties

505-555 (Easy) | Inequalities, Number Properties hide tags

Bunuel

22 Feb 2016, 04:38

13

7

4,155

by: bumpbot

25 Nov 2018, 00:49

ER

If p = 3q, is p^2 > q^2

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

vikrantgulia

03 Jan 2014, 08:01

14

11

5,792

by: sumisachan

16 Nov 2018, 04:14

ER

If line k in the xy-coordinate plane has the equation Ax + By = C, wha

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

23 Jul 2018, 03:15

7

4

7,381

by: BrentGMATPrepNow

15 Nov 2018, 08:23

ER

Is 3^(x+2)/9 >1 ? (1) 9^x > 1 (2) x > 0

555-605 (Medium) | Exponents, Inequalities

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

metallicafan

26 Jun 2012, 12:25

8

9

5,762

by: Bunuel

13 Nov 2018, 11:53

ER

How many prime factors does N have?

705-805 (Hard) | Multiples and Factors, Number Properties

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

piyush26

29 Oct 2018, 21:47

15

8

3,361

by: gmatexam439

02 Nov 2018, 04:12

ER

What is the value of x^4y^2 - x^4y^2 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

24 Mar 2015, 04:48

5

8

4,684

by: fskilnik

22 Oct 2018, 12:42

ER

If the same amount of material is used to make a hollow cylinder and a

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

17 Sep 2018, 22:05

7

8

2,197

by: chetan2u

30 Sep 2018, 00:10

ER

Does z = 3 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

28 May 2017, 01:52

4

14

2,614

by: ArjunJag1328

17 Sep 2018, 04:30

ER

What is the area of the parallelogram ABCD? (1) The sum of Angle C an

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

02 Sep 2018, 22:11

1

4

1,673

by: GMATinsight

03 Sep 2018, 22:57

ER

Is b even? (1) a/b is even (2) (a+1)b is even

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

04 Apr 2018, 23:46

5

7

2,110

by: shmba

23 Aug 2018, 19:40

ER

How many days after the purchase of Product X does its stand

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Stiv

13 Mar 2025, 10:39

26

15

11,360

by: GMATGuruNY

19 Aug 2018, 03:30