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

181

15

82,657

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of May 2026

1, 2

Bunuel

01 Jan 2026, 05:45

861

24

190,889

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

490,848

by: bb

29 Aug 2025, 13:27

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Do the diagonals of a quadrilateral ABCD bisect each other

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

mydreammba

28 Apr 2012, 06:51

8

13

9,319

by: qlx

30 Apr 2014, 09:19

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

6,759

by: Bunuel

15 May 2014, 01:11

ER

A certain 13m ladder is resting against a wall of height X

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rathoreaditya81

05 Dec 2009, 11:51

4

16

4,867

by: kundankshrivastava

19 May 2014, 23:42

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If the point (4,6) lies on line l, and the point (x,3)

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

gauravsoni

08 Dec 2015, 03:34

2

5

5,795

by: Bunuel

21 May 2014, 02:19

ER

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

22,839

by: Bunuel

22 May 2014, 05:21

ER

Two coins are tossed with probability landing at Head not

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

aeros232

23 Nov 2012, 03:39

6

8

7,020

by: Bunuel

04 Jun 2014, 09:11

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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

3,547

by: madn800

04 Jun 2014, 19:20

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

15,134

by: Bunuel

07 Jun 2014, 14:29

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There are two boxes of markers.The first box has only red

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Manik12345

07 Jun 2014, 01:28

2

7

7,836

by: Manik12345

09 Jun 2014, 01:21

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The net value of a certain stock increased at a constant

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

AtifS

05 Mar 2010, 23:58

4

3,901

by: KarishmaB

11 Jun 2014, 01:42

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Is x^3 greater than x

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krishna789

11 Jun 2014, 21:30

2

4,108

by: krishna789

12 Jun 2014, 00:38

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Collection of 8 DS questions

605-655 (Medium) | Algebra +7 tags

605-655 (Medium) | Algebra, Fractions and Ratios, Geometry, Inequalities, Number Properties, Statistics and Sets Problems, Word Problems, Work and Rate Problems hide tags

1, 2, 3

Bunuel

13 Oct 2009, 20:16

155

50

56,757

by: raviranjankarn

22 Jun 2014, 15:56

ER

What is area of square LMNO ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Gnpth

23 Jun 2014, 05:33

4

2

7,287

by: Bunuel

23 Jun 2014, 05:41

ER

If x and y are non-zero integers, is x = y ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

iaratul

01 Jul 2014, 04:06

9

4

3,116

by: iaratul

01 Jul 2014, 06:43

ER

Barry leaves for the studio

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

gaurav245

02 Jul 2014, 04:49

4

5

3,266

by: Bunuel

02 Jul 2014, 05:07

ER

A, B, C, and D are distinct points on a plane. If triangle A

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

IrinaOK

04 Jul 2014, 05:50

7

13

5,299

by: Bunuel

04 Jul 2014, 05:52

ER

Is x > 0 ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

DelGiudice99

09 Jul 2014, 08:46

2

3,626

by: australia123

10 Jul 2014, 00:44

ER

If AD is 6, and ADC is a right angle, what is the area of

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

MackyCee

10 Jul 2014, 04:07

5

9

7,089

by: Bunuel

10 Jul 2014, 04:10

ER

If n is not equal to 0, is |n| < 4 ?

605-655 (Medium) | Absolute Values, Inequalities

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

lbsgmat

17 Jul 2014, 01:30

38

17

22,414

by: Bunuel

17 Jul 2014, 01:30

ER

Is the probability of an element in Set B also being an elem

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tabsang

28 Dec 2012, 07:18

6

4

3,113

by: Bunuel

17 Jul 2014, 08:58

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If a, b, and c are positive and a =b/c^1/2, what is the

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Gnpth

22 Jul 2014, 03:10

1

2

2,722

by: Bunuel

22 Jul 2014, 03:13

ER

Seven different numbers are selected from the integers 1 to

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

aurobindo

22 Jul 2014, 14:34

27

5

16,499

by: Bunuel

22 Jul 2014, 14:35

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

7,522

by: Bunuel

26 Jul 2014, 02:05

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

6,405

by: Bunuel

31 Jul 2014, 02:49

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

3,188

by: Bunuel

12 Aug 2014, 04:47

ER

What is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sanjoo

15 Feb 2014, 02:52

4

3,146

by: taransambi

14 Aug 2014, 06:36

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

156

7

44,674

by: Bunuel

15 Aug 2014, 09:09

ER

What is the value of x^6 + x^(-6) ?

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alphonsa

18 Aug 2014, 09:21

3

2

2,603

by: Bunuel

18 Aug 2014, 09:31

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

8,266

by: GSBae

27 Aug 2014, 07:02

ER

Are p, q and r all positive?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

pran21

02 Sep 2014, 03:40

1

2,361

by: Bunuel

02 Sep 2014, 03:44

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

24,167

by: Bunuel

05 Sep 2014, 22:02

ER

What is the greatest common divisor of a + b and 4?

505-555 (Easy) | Multiples and Factors

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

Maksym

29 Jun 2014, 08:53

7

2

3,568

by: GSBae

09 Sep 2014, 06:55

ER

A cafe has a lunch special with a base price of $5.00.

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

BukrsGmat

09 Aug 2012, 23:30

11

3

4,925

by: dd29

15 Sep 2014, 03:40

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

6,096

by: Bunuel

19 Sep 2014, 07:27

ER

S is an infinite sequence, in which the value of a

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gmatprep2011

23 Sep 2011, 23:23

18

9

5,881

by: Bunuel

21 Sep 2014, 11:41

ER

Is quadrilateral ABCD a rectangle? (1) Line segments AC and

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

jamesrwrightiii

28 Aug 2007, 21:19

5

6

4,455

by: Bunuel

24 Sep 2014, 12:54

ER

Is integer y is divisible by 24?

505-555 (Easy) | Multiples and Factors

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

Gnpth

24 Jul 2014, 07:54

10

3

6,570

by: kalaits

26 Sep 2014, 14:04

The volume of cylinder A is how much more than the volume of cylinder

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DangerPenguin

29 Sep 2014, 07:37

1

8

4,131

by: DangerPenguin

29 Sep 2014, 07:37

ER

The new recruits of a military organization who score in the bottom 16

705-805 (Hard) | Statistics and Sets Problems

705-805 (Hard) | Statistics and Sets Problems hide tags

Hedwig

05 Oct 2014, 05:01

6

2

6,143

by: Hedwig

05 Oct 2014, 06:25

A regular hexagon is inscribed in a circle. What is the area

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smartyman

02 Jul 2014, 01:03

2

5,147

by: dmmk

04 Nov 2014, 08:34

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Is x^2+y^2 divisible by 5?

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ctrlaltdel

14 Nov 2009, 18:56

35

13

16,057

by: deeuk

10 Nov 2014, 01:27

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

3,176

by: Bunuel

10 Nov 2014, 02:29

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

3,702

by: Bunuel

17 Nov 2014, 12:15

ER

A certain sum was invested in a high-interest bond for which

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punyadeep

16 Mar 2011, 07:49

31

15

14,963

by: bumpbot

19 Nov 2014, 11:32

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

4,319

by: Bunuel

24 Nov 2014, 01:45

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If the square root of t is a real number, is the square root

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Rock750

09 Apr 2013, 16:32

3

3,551

by: Maxirosario2012

29 Nov 2014, 17:16

ER

What is the ratio of y to x?

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SirGMAT

02 Dec 2014, 08:21

15

6

7,115

by: Bunuel

02 Dec 2014, 08:21

ER

If x + y is an integer, is y an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

sset009

26 Jul 2008, 10:30

9

3

3,842

by: Bunuel

05 Dec 2014, 04:22

ER

If x is a positive integer, is x divisible by 15?

705-805 (Hard) | Multiples and Factors

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

CMcAboy

03 Apr 2011, 18:50

7

13

8,201

by: santorasantu

05 Dec 2014, 12:04

ER

In the figure above, x, y, and z denote the lengths of the sides of a

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

17 Dec 2014, 07:48

4

6,112

by: beattheheat

20 Dec 2014, 10:48