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

78,684

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

188,503

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

487,911

by: bb

29 Aug 2025, 13:27

The ratio of number of boys to girls to adults in a certain museum is

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

philipssonicare

29 Dec 2018, 08:30

2

1,613

by: Kevin1553

31 Dec 2018, 06:43

ER

If x and y are two distinct prime numbers, Is x even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

fitzpratik

31 Dec 2018, 01:35

2

1,383

by: Archit3110

29 Dec 2018, 00:27

ER

The function a#b may be defined axb or a^b; what is the value of p#q?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

ExpertsGlobal

18 Apr 2017, 16:15

1

7

2,280

by: KanishkM

28 Dec 2018, 21:32

ER

An automated manufacturing unit employs N experts. Their average month

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Nanobotstv

28 Dec 2018, 06:33

1

1,473

by: chetan2u

28 Dec 2018, 09:06

ER

As shown in the graph above, the circular base of a large oak tree sit

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

17 Dec 2017, 23:25

5

7

3,048

by: chetan2u

27 Dec 2018, 07:59

Is b even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Mo2men

26 Dec 2018, 14:02

3

2,098

by: progressgmat

26 Dec 2018, 15:12

ER

If A and B are integers and A^2-B^2=101, what is A?

805+ (Hard) | Algebra, Number Properties

805+ (Hard) | Algebra, Number Properties hide tags

chetan2u

13 Apr 2016, 03:04

8

5

4,891

by: stne

25 Dec 2018, 09:05

ER

Is the area of a certain square greater than the area of a c

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

sanjoo

23 Feb 2014, 09:23

6

4

3,199

by: bumpbot

22 Dec 2018, 16:21

ER

Are i, j, k consecutive integers?

555-605 (Medium) | Multiples and Factors

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

rxs0005

26 Sep 2010, 05:29

14

3

4,488

by: bumpbot

21 Dec 2018, 05:42

ER

Is the integer x a multiple of 5 ? (1) x divided by 3 leaves a remaind

555-605 (Medium) | Multiples and Factors, Remainders

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

Bunuel

20 Dec 2018, 02:21

4

2

1,993

by: jorgeignaciop

20 Dec 2018, 05:42

ER

Maria wants to send a package overseas. She can either pay shipping co

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

29 Sep 2015, 21:31

3

8

4,618

by: masoomjnegi

20 Dec 2018, 03:45

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

if m>n, then is mn divisible by 3?

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fitzpratik

26 Sep 2017, 05:51

4

3,722

by: atrayee345

19 Dec 2018, 05:16

ER

What is the circumference of circle O?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

23 Jun 2016, 02:06

1

9

3,446

by: Krabhay

18 Dec 2018, 23:44

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Find the fourth consecutive even number: (I) The sum of the

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mariyea

04 Feb 2011, 10:25

3

9

12,487

by: Krabhay

18 Dec 2018, 23:34

ER

What is the average temperature from Monday through Saturday of a week

505-555 (Easy) | Statistics and Sets Problems, Word Problems

505-555 (Easy) | Statistics and Sets Problems, Word Problems hide tags

bhatiamanu05

18 Dec 2018, 23:24

4

4,610

by: Krabhay

18 Dec 2018, 23:22

ER

If x, y, and z are positive integers, what is the value of x?

555-605 (Medium) | Exponents +2 tags

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Bunuel

21 Apr 2016, 00:35

3

2,679

by: bumpbot

18 Dec 2018, 19:01

ER

Is the two-digit positive integer, RM, a multiple of 7? (1) R + M = 13

605-655 (Medium) | Multiples and Factors

605-655 (Medium) | Multiples and Factors hide tags

Bunuel

10 Dec 2018, 03:11

3

8

2,372

by: ksrutisagar

18 Dec 2018, 18:37

ER

If (y^2 + 1)^(1/2) = 2, what is the value of y ?

555-605 (Medium) | Algebra, Roots

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

Bunuel

07 Sep 2017, 23:56

5

2

3,325

by: bumpbot

17 Dec 2018, 01:32

ER

Is x equal to 1? (1) (3x – 2) + (3x + 2) = 6 (2) x^2 + 2x = 3

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Mahimab

16 Dec 2018, 08:00

4

1,537

by: Princ

16 Dec 2018, 22:44

ER

Please see the number line above, is the product of w, x, y, and z neg

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

GMATBusters

16 Dec 2018, 02:35

2

1,252

by: Ritwick91

16 Dec 2018, 20:59

ER

In the given figure ABCD is a rectangle, where CD = 10cm. Find the are

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

GMATBusters

15 Dec 2018, 10:20

1

2,223

by: shashankism

16 Dec 2018, 09:51

ER

Are positive integers j and k both greater than m?

605-655 (Medium) | Inequalities, Number Properties

605-655 (Medium) | Inequalities, Number Properties hide tags

metallicafan

14 Dec 2011, 09:31

12

8

5,914

by: bumpbot

16 Dec 2018, 09:27

ER

Is x greater than y?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

13 Mar 2017, 10:45

8

5

5,211

by: bumpbot

16 Dec 2018, 07:04

ER

If x^3 < x^2, is x > 0 ?

605-655 (Medium) | Absolute Values, Inequalities

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

AnisMURR

15 Dec 2018, 04:01

6

3

1,844

by: chetan2u

15 Dec 2018, 19:40

ER

If j is a positive integer, is (j^3-27)^2) (j^3+1)^3) odd?

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EncounterGMAT

14 Dec 2018, 05:27

1

1,063

by: Bunuel

14 Dec 2018, 05:22

ER

Jessica has a limited investment portfolio of stocks and bon

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

kpali

02 Jun 2013, 07:16

4

8

3,649

by: bumpbot

13 Dec 2018, 23:37

ER

Calvin has a total of 64 compact discs and cassettes. How many compact

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

13 Dec 2018, 02:42

2

2,812

by: EgmatQuantExpert

13 Dec 2018, 05:39

ER

In isosceles triangle DEF, what is the measure of angle E?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

22 Sep 2015, 03:15

27

12

19,121

by: BrentGMATPrepNow

12 Dec 2018, 14:45

ER

If x is a positive integer less than 10, and x + 2 is a prime number,

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

12 Dec 2018, 04:52

2

5

3,421

by: surendrasaini1

12 Dec 2018, 11:14

ER

In a group of 30 people, how many drink tea but not coffee?

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

amanvermagmat

06 Dec 2018, 01:40

3

5

4,612

by: hovhannesmkrtchyan

12 Dec 2018, 02:19

ER

Is 3 a factor of the integer x? (1) 3 is a factor of 5x (2) 3 is a fac

505-555 (Easy) | Multiples and Factors

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

Bunuel

11 Dec 2018, 01:38

1

3

1,237

by: Mo2men

11 Dec 2018, 12:46

ER

What is the sum of unique roots of the quadratic equation

805+ (Hard) | Exponents

805+ (Hard) | Exponents hide tags

Nikhil

01 Dec 2018, 10:15

8

6

2,724

by: T1101

11 Dec 2018, 09:59

ER

What is the median of the number of theater tickets sold in a day over

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

11 Dec 2018, 01:21

1

1,450

by: EgmatQuantExpert

11 Dec 2018, 03:39

ER

In the figure above, arc QRO is a semicircle. What is the area of the

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

03 Jan 2016, 13:45

2

4

3,288

by: fskilnik

10 Dec 2018, 05:44

ER

What is the value of n? 3n + 2m = 18 n – m = 2n – (4 + m)

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

19 May 2016, 03:23

1

3

13,558

by: bumpbot

10 Dec 2018, 04:30

ER

A box contains ball of various colors Red, Blue, Green, and Yellow in

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

10 Dec 2018, 03:15

2

3,594

by: NandishSS

10 Dec 2018, 03:25

ER

Is x = 3?

555-605 (Medium) | Inequalities, Number Properties

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

GMATBusters

08 Dec 2018, 10:11

2

4

1,513

by: veekoul

09 Dec 2018, 13:59

ER

What is the value of x? (1) x^2/3 = x/81 (2) x > 0

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

06 Dec 2018, 05:56

5

1,459

by: globaldesi

09 Dec 2018, 05:08

ER

In the figure above, QRS is a straight line and line TR bisects PRS

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Jasontuyj2012

08 Dec 2018, 20:42

18

3

10,223

by: GMATBusters

08 Dec 2018, 20:43

ER

Is positive integer z an even number? (1) z! <= z (2) z! >= z

555-605 (Medium) | Inequalities, Number Properties

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

Bunuel

06 Dec 2018, 05:44

2

1

1,160

by: Ypsychotic

06 Dec 2018, 05:55

ER

What is |X| + |Y|? (1) X + Y = 10 (2) X and Y are both

555-605 (Medium) | Absolute Values, Number Properties

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

amanvermagmat

06 Dec 2018, 01:14

3

1

1,407

by: DavidTutorexamPAL

06 Dec 2018, 03:09

What is the area of triangle ABC? (1) Height AD on side BC

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

amanvermagmat

06 Dec 2018, 01:34

1

998

by: u1983

06 Dec 2018, 03:04

ER

Is |X| + |Y| = X + Y? (1) X + Y = 8 (2) X and Y are both

555-605 (Medium) | Absolute Values, Number Properties

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

amanvermagmat

06 Dec 2018, 01:20

1

1,380

by: DavidTutorexamPAL

06 Dec 2018, 03:03

ER

If m and n are both positive integers is (m + n^4)^(1/6) an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

21 Mar 2018, 05:31

2

1,449

by: stne

05 Dec 2018, 10:00

ER

How much nitrogen is needed in the mixture used by a lawn maintenance

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

GMATBusters

05 Dec 2018, 07:07

5

1

2,876

by: DavidTutorexamPAL

05 Dec 2018, 07:31

ER

△ is one operation of addition, subtraction, multiplication, or divisi

Sub 505 (Easy) | Functions and Custom Characters

Sub 505 (Easy) | Functions and Custom Characters hide tags

MathRevolution

31 Aug 2017, 01:24

1

5

2,251

by: kapstone1996

04 Dec 2018, 09:33

ER

If X and Y are positive integer, what is the number of factors of A

605-655 (Medium) | Multiples and Factors

605-655 (Medium) | Multiples and Factors hide tags

fitzpratik

01 Dec 2018, 20:55

1

1,513

by: ccooley

03 Dec 2018, 14:59

ER

7 students each bought some books on a book fair. Is the total number

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Zed3092

03 Dec 2018, 03:46

6

2

2,404

by: kylebecker9

03 Dec 2018, 11:26

ER

Is m^n a perfect square?

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barryseal

01 Dec 2018, 06:24

5

15

1,832

by: barryseal

03 Dec 2018, 00:11