GMAT Data Sufficiency (DS) Forum - Free Practice Questions

ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

179

15

79,742

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

858

24

188,981

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,682

by: bb

29 Aug 2025, 13:27

ER

The perimeter of square ABCD is half of the perimeter of parallelogram

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

07 Sep 2015, 23:00

1

5

3,730

by: MathRevolution

15 Sep 2015, 09:29

ER

A sequence of terms a1, a2 ,a3, ..., a(m-1), am, is given by

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

guerrero25

15 Dec 2020, 23:48

40

10

9,438

by: bumpbot

10 Sep 2015, 01:22

ER

How many prime numbers are less than integer k ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

AbdurRakib

28 Aug 2015, 12:43

3

4

3,103

by: Bunuel

30 Aug 2015, 00:49

ER

If r + s = 4, is s < 0? (1) -4 > -r (2) r > 2s + 2

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

28 Jul 2015, 01:43

6

4,929

by: Bunuel

17 Aug 2015, 09:33

ER

Is xy = -1 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sugu86

27 May 2014, 00:54

4

7

4,628

by: bumpbot

08 Aug 2015, 10:37

ER

A report consisting of 2,600 words is divided into 23

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

haas_mba07

06 Sep 2006, 20:45

7

10

11,296

by: Bunuel

30 Jul 2015, 07:22

ER

List L consists of the positive integers

555-605 (Medium) | Statistics and Sets Problems

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

TheGmatTutor

13 Jul 2015, 10:51

5

2

2,720

by: GMATinsight

13 Jul 2015, 12:18

ER

If x is an integer such that x > 0, is it true that x is an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

09 Jul 2015, 04:19

3

6

3,743

by: Bunuel

13 Jul 2015, 03:06

ER

Seven different numbers are selected from the integers 1 to 100, and

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

cebenez

19 Jun 2015, 00:31

25

6

8,816

by: Bunuel

19 Jun 2015, 00:32

ER

Both Betty and Wilma earn annual salaries of more than $50000. Is

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

gamjatang

16 Dec 2005, 00:17

5

13

8,447

by: Bunuel

08 Jun 2015, 02:48

ER

If distinct points A, B, C, and D form a right triangle ABC

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

far257

10 Aug 2011, 08:44

5

11

4,540

by: Bunuel

11 May 2015, 08:39

ER

If a and b are positive, a% of what number is equal to b% of a?

555-605 (Medium) | Percent and Interest Problems

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

petu

19 Apr 2015, 11:39

2

3,111

by: EMPOWERgmatRichC

19 Apr 2015, 12:40

ER

What is the maximum number of arrangements in which N students can be

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

05 Feb 2015, 09:10

8

6,602

by: KarishmaB

30 Mar 2015, 21:01

ER

If x > 0, is √x > x ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

16 Feb 2015, 06:48

7

5

4,206

by: EMPOWERgmatRichC

22 Feb 2015, 23:43

ER

When 200 laboratory rats were given an experimental medicine

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

rxs0005

12 Feb 2012, 10:33

2

10

3,530

by: shriramvelamuri

29 Jan 2015, 13:19

ER

Is f(x) > 0?

555-605 (Medium) | Algebra, Functions and Custom Characters

555-605 (Medium) | Algebra, Functions and Custom Characters hide tags

Bunuel

21 Jan 2015, 02:50

14

9

5,125

by: Bunuel

26 Jan 2015, 05:56

ER

Does the area of a certain square greater than the area of a certain

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

26 Dec 2014, 08:49

3

5

3,650

by: CCMBA

09 Jan 2015, 20:49

ER

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

3,863

by: EMPOWERgmatRichC

30 Dec 2014, 21:01

ER

What is the value of x^2 + y^2 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

krazo

24 Nov 2014, 01:45

2

6

4,294

by: Bunuel

24 Nov 2014, 01:45

ER

What is the value of x + y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

14 Nov 2014, 09:51

3

4

3,682

by: Bunuel

17 Nov 2014, 12:15

ER

What is the increasing percent of the price of the company's stocks

555-605 (Medium) | Fractions and Ratios

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

h31337u

09 Nov 2014, 07:52

2

3

3,160

by: Bunuel

10 Nov 2014, 02:29

ER

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

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

joemama142000

19 Sep 2014, 07:26

8

10

6,057

by: Bunuel

19 Sep 2014, 07:27

ER

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

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

judokan

05 Sep 2014, 22:01

32

5

24,116

by: Bunuel

05 Sep 2014, 22:02

ER

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

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

rxs0005

30 Sep 2010, 15:07

21

4

8,240

by: GSBae

27 Aug 2014, 07:02

ER

What is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sanjoo

15 Feb 2014, 02:52

4

3,127

by: taransambi

14 Aug 2014, 06:36

ER

The cost of delivery for an order of desk chairs was $10.00

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

ruturajp

31 Jul 2014, 02:48

14

4

6,389

by: Bunuel

31 Jul 2014, 02:49

ER

If f and g are both positive integers greater than 1

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Gnpth

25 Jul 2014, 11:07

1

3

7,501

by: Bunuel

26 Jul 2014, 02:05

ER

Is the number of seconds required to travel d1 feet at r1

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

kapilnegi

15 Jun 2008, 09:04

30

4

15,120

by: Bunuel

07 Jun 2014, 14:29

ER

What is the value of |y|?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

bagdbmba

24 Jun 2013, 06:10

2

3,527

by: madn800

04 Jun 2014, 19:20

ER

Peter, Paul, and Mary each received a passing score on

555-605 (Medium) | Statistics and Sets Problems

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

chineseburned

29 May 2008, 20:35

26

7

17,526

by: Bunuel

19 Apr 2014, 03:29

ER

The third-place finisher of the Allen County hot dog eating

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

rao

29 Jul 2013, 08:33

30

5

19,547

by: Bunuel

26 Dec 2013, 08:29

ER

Is rst = 1?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sudhagar

07 Nov 2013, 02:08

15

6

19,830

by: Bunuel

07 Nov 2013, 02:10

ER

What is the value of (x + y)^4 ?

555-605 (Medium) | Algebra, Number Properties

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

GMAT TIGER

17 Oct 2009, 23:27

2

8

4,220

by: Bunuel

11 Oct 2013, 04:28

ER

In the sequence of non-zero numbers t1, t2,t3,......tn,.....

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

riks200

12 Jul 2008, 22:34

14

4

8,353

by: Bunuel

23 Aug 2013, 03:25

ER

George scored 85 on an exam. Did George do better than 90

555-605 (Medium) | Statistics and Sets Problems

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

josemnz83

07 Jul 2013, 08:57

5

8

4,921

by: Bunuel

17 Jul 2013, 05:47

ER

What is the value of (x - y)^4?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

eresh

03 Jul 2013, 00:34

2

8

6,125

by: Bunuel

03 Jul 2013, 00:37

ER

The useful life of a certain piece of equipment is

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

kairoshan

19 Nov 2009, 06:45

7

5

16,955

by: Bunuel

05 May 2013, 04:21

ER

If angle BAD is a right angle, what is the length of side

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

gottabwise

23 Jan 2010, 16:43

6

5

12,937

by: Bunuel

24 Jan 2013, 07:24

ER

For positive integer x, y, and z, is y > z?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

banksy

17 Mar 2011, 14:42

4

1

5,021

by: Bunuel

21 Jun 2012, 12:25

ER

If S is a set of ten consecutive integers, is the integer 5

555-605 (Medium) | Statistics and Sets Problems

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

Jasonammex

24 Aug 2011, 01:47

2

1

5,572

by: Bunuel

19 Feb 2012, 04:38

ER

If m and z are integers, is z divisible by 11 ?

555-605 (Medium) | Multiples and Factors

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

rxs0005

06 Feb 2012, 09:11

8

5

4,572

by: Bunuel

06 Feb 2012, 14:05

ER

A college admissions committee will grant a certain number

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

GMBA85

12 Jul 2013, 02:20

44

17

10,849

by: amit2k9

05 May 2011, 22:34

ER

Is x > 0 (1) x < x^2 (2) x^2 < x^3

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

rxs0005

24 Jan 2011, 06:42

9

4

5,443

by: subhashghosh

18 Mar 2011, 00:09

ER

If xy # 0, is (1/x + 1/y) = 2 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

tatane90

20 Sep 2010, 11:57

7

4

5,411

by: FQ

20 Sep 2010, 18:53