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

179

15

79,127

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

188,758

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

488,344

by: bb

29 Aug 2025, 13:27

ER

Are integers r and s consecutive ?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

19 Sep 2022, 06:29

1

1,043

by: chetan2u

19 Sep 2022, 20:14

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12 Days of Christmas GMAT Competition - Day 6: Solutions A, B, and C

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

Bunuel

19 Dec 2021, 07:00

47

6

5,446

by: ThatDudeKnows

19 Sep 2022, 17:04

If n is an integer, then n is divisible by how many positive integers?

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

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

Carcass

19 Sep 2022, 01:36

1

2

1,375

by: Carcass

19 Sep 2022, 09:36

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If n is an integer, is n odd ? (1) The tens digit of n is odd.

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

19 Sep 2022, 07:04

1

1,886

by: abhinavchitre13

19 Sep 2022, 07:41

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Does x^2 - y^2 = x + y ? (1) x and y are consecutive integers (2) x

555-605 (Medium) | Algebra, Number Properties

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

Bunuel

19 Sep 2022, 06:38

1

1,197

by: GMATinsight

19 Sep 2022, 06:44

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What is the average (arithmetic mean) of x and y ?

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

19 Sep 2022, 05:44

1

2,221

by: GMATinsight

19 Sep 2022, 06:02

ER

If the measures of the three interior angles of a triangle are y°, 15x

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

19 Sep 2022, 05:42

1

1,725

by: gmatDawg

19 Sep 2022, 05:53

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Is n/14 an integer? (1) n is divisible by 28. (2) n is divisible by

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

shasadou

23 Sep 2015, 02:43

15

11

8,099

by: Bunuel

19 Sep 2022, 02:10

ER

A number B is formed by reversing the two digit number A. Wh

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

surendar26

20 Dec 2010, 10:08

17

5

7,818

by: bumpbot

18 Sep 2022, 19:53

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If the product of j and k does not equal zero, is j<0 and k>0?

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

13 Sep 2022, 01:30

3

1,818

by: mcolbert

18 Sep 2022, 18:30

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Jack has full tank of gas in his car and wants to drive 550 miles. He

505-555 (Easy) | Work and Rate Problems

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

GMATBusters

14 Mar 2020, 19:39

2

12

4,764

by: bumpbot

18 Sep 2022, 15:34

ER

What is the value of y?

805+ (Hard) | Algebra +2 tags

805+ (Hard) | Algebra, Arithmetic, Roots hide tags

GGMU

24 Jun 2016, 08:21

143

18

15,030

by: bumpbot

18 Sep 2022, 11:16

ER

What is the area of a quadrilateral with a perimeter of 24 centimeters

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

19 May 2015, 06:44

30

11

11,494

by: bumpbot

18 Sep 2022, 10:26

ER

A certain car travels 18 miles per gallon of gas on city streets and 3

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

07 Feb 2020, 06:22

8

5

3,459

by: HC1993

18 Sep 2022, 04:00

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If x ≠ y, is x = 0? (1) xy = x^2 (2) y ≠ 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

27 Sep 2018, 05:53

3

5

2,256

by: bumpbot

17 Sep 2022, 13:34

ER

In the XY-plane, lines L and K are parallel. If the Y-intercept of lin

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

12 Nov 2018, 00:13

6

5

4,344

by: bumpbot

17 Sep 2022, 08:46

ER

A circle in the XY-plane has its center at the origin. If M is a point

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

06 Nov 2018, 01:44

7

4

4,122

by: bumpbot

17 Sep 2022, 08:12

ER

Is ABDC a square? (1) BC is perpendicular to AD. (2) BE = EC

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

17 Oct 2017, 23:44

1

3

5,130

by: bumpbot

17 Sep 2022, 02:16

ER

How far is it from town A to town B? Town C is 12 miles east of town A

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

24 Oct 2017, 23:50

3

5

11,053

by: bumpbot

16 Sep 2022, 23:13

ER

What is b in the circle shown above?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

godot53

27 Feb 2017, 22:50

35

19

8,107

by: bumpbot

16 Sep 2022, 21:06

ER

In the triangle above, is AB > AC > BC? (1) y1 = c1 (2) y1 = 60°

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

14 May 2020, 09:12

4

2

2,154

by: bumpbot

16 Sep 2022, 13:39

ER

Is x greater than 2? (1) x/y > 2 (2) 1/y < 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

04 Nov 2019, 03:10

9

4

3,507

by: bumpbot

16 Sep 2022, 10:47

Is y greater than x? (1) |y|<1 and |x| <2 (2) y>0

Sub 505 (Easy) | Absolute Values, Inequalities

Sub 505 (Easy) | Absolute Values, Inequalities hide tags

aiming4mba

22 Jul 2010, 13:07

9

6

5,993

by: bumpbot

16 Sep 2022, 10:43

Is the integer r divisible by 9? (1) r is divisible by 3. (2) r is div

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Carcass

16 Sep 2022, 00:26

3

1,227

by: av1901

16 Sep 2022, 06:48

If j and k are integers, is jk divisible by 4? (1) j is divisible by

505-555 (Easy) | Multiples and Factors

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

Carcass

16 Sep 2022, 00:23

2

1,034

by: av1901

16 Sep 2022, 06:16

ER

Is b prime? (1) b + 1 is not prime (2) b^2 has 3 distinct factors

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

16 Sep 2022, 01:30

2

1,182

by: GMATinsight

16 Sep 2022, 05:59

ER

What is the area of the right triangle shown?

505-555 (Easy) | Algebra, Geometry

505-555 (Easy) | Algebra, Geometry hide tags

Bunuel

26 Mar 2018, 23:00

6

3

2,187

by: bumpbot

16 Sep 2022, 05:53

Is w between -1 and 2 on the number line? (1) w is to the right of -2

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Carcass

16 Sep 2022, 00:20

2

934

by: av1901

16 Sep 2022, 05:51

ER

Is x |y| > y^2? (1) x > 0 (2) x > y

705-805 (Hard) | Absolute Values, Inequalities

705-805 (Hard) | Absolute Values, Inequalities hide tags

Russ19

23 Oct 2020, 01:18

6

4

1,843

by: bumpbot

16 Sep 2022, 05:51

If y is a positive integer, is y < 9 ? (1) y is greater than the avera

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Carcass

16 Sep 2022, 00:19

2

879

by: av1901

16 Sep 2022, 05:11

ER

If n is an integer, what is the value of n?

705-805 (Hard) | Number Properties, Roots

705-805 (Hard) | Number Properties, Roots hide tags

Rubina11

10 Mar 2019, 03:48

12

8

4,797

by: bumpbot

16 Sep 2022, 05:07

If n is an integer and 3 < n < 9, what is the value of n ? (1) n is a

555-605 (Medium) | Multiples and Factors

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

Carcass

16 Sep 2022, 00:17

1

3

1,091

by: av1901

16 Sep 2022, 05:03

ER

Mary has p pencils and q pens in her bag while Sam has r pencils and

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

03 Mar 2020, 03:51

2

2,820

by: SaquibHGMATWhiz

15 Sep 2022, 23:25

ER

Is x a prime number? (1) x is an even number. (2) x cannot be divided

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

fozzzy

20 Dec 2012, 01:16

12

10

14,123

by: bumpbot

15 Sep 2022, 23:07

ER

What is the value of z, if z is not positive?

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

ksrutisagar

18 Dec 2018, 01:27

16

4

2,404

by: SaquibHGMATWhiz

15 Sep 2022, 22:55

ER

Steve took a math test that consists of basic questions and advanced

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

15 Sep 2022, 01:30

2

1

1,276

by: gmatophobia

15 Sep 2022, 12:37

ER

If z denotes the tenths digit in the decimal representation of the tim

805+ (Hard) | Distance and Speed Problems, Number Properties

805+ (Hard) | Distance and Speed Problems, Number Properties hide tags

Bunuel

26 May 2020, 02:27

28

5

4,443

by: bumpbot

15 Sep 2022, 12:29

The circle in the figure above has center O. What is the area of the c

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

taha1234

01 Aug 2021, 08:57

3

2

2,389

by: bumpbot

15 Sep 2022, 11:39

ER

If x is not equal to 1, is x^2/(x 1) > x ? (1) x > 0 (2) x < 2

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

15 Sep 2022, 01:30

2

1

1,316

by: chetan2u

15 Sep 2022, 10:56

ER

Is the sum of a certain pair of integers odd?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Carcass

15 Sep 2022, 02:44

7

5

1,557

by: av1901

15 Sep 2022, 09:35

If n and k are greater than zero, is n/k an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Carcass

15 Sep 2022, 02:42

4

2

1,153

by: av1901

15 Sep 2022, 09:32

What is the volume of air inside empty rectangular cuboid?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

gmihir

15 Apr 2012, 20:55

14

3

8,290

by: teezzaayy

15 Sep 2022, 08:03

ER

If x and y lie between -1 and 1, exclusive, is |x + y| > 1?

705-805 (Hard) | Absolute Values, Inequalities

705-805 (Hard) | Absolute Values, Inequalities hide tags

Bunuel

23 Jan 2021, 03:09

4

2,219

by: bumpbot

15 Sep 2022, 06:19

ER

How many multiples of 5 are there in 7 consecutive integers?

555-605 (Medium) | Multiples and Factors, Statistics and Sets Problems

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

Kushchokhani

14 Sep 2022, 11:31

3

1

1,538

by: Bunuel

14 Sep 2022, 12:05

If r, s, and t are three integers, are they consecutive integers? (1)

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Carcass

14 Sep 2022, 04:22

3

1,748

by: mcmoorthy

14 Sep 2022, 11:52

If t is a member of the set {19, 23, 27, 31, 35, 39}, what is the val

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Carcass

14 Sep 2022, 04:24

1

2

952

by: Archit3110

14 Sep 2022, 08:55

What is the value of the integer p ? (1) Each of the integers 3, 5, an

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Carcass

13 Sep 2022, 02:19

5

2

1,526

by: av1901

14 Sep 2022, 06:33

ER

What is the value of the three-digit integer j ? (1) The sum of the di

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Carcass

13 Sep 2022, 02:17

4

3

982

by: av1901

14 Sep 2022, 06:14

What is the value of the integer x? (1) x is a prime number between 2

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Carcass

13 Sep 2022, 02:15

3

2

1,098

by: av1901

14 Sep 2022, 06:06

ER

In the figure above, lines l1 and l2 are parallel. What is the value

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

19 Oct 2019, 03:38

1

4

11,406

by: bumpbot

14 Sep 2022, 03:53