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

178

15

79,037

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

188,707

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

488,240

by: bb

29 Aug 2025, 13:27

ER

What is the value of a^2 - 2a + b^2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

EBITDA

12 Jul 2016, 09:26

2

15

2,261

by: HARRY113

12 Jul 2016, 21:14

ER

Is N divisible by 24?

505-555 (Easy) | Multiples and Factors

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

stonecold

20 Jul 2016, 09:36

2

2,137

by: abhimahna

20 Jul 2016, 11:10

ER

If n is a positive integer, what is the value of n?

555-605 (Medium) | Multiples and Factors

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

EBITDA

31 Jul 2016, 08:23

2

9

2,810

by: Bunuel

01 Aug 2016, 00:17

ER

Daniel rides to school each day on a path that takes him first to a

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

01 Jul 2016, 04:22

2

4

2,321

by: Bunuel

18 Aug 2016, 10:30

ER

In the xy plane, is the point (4, −2) on the line l?

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

21 Aug 2016, 04:16

2

6

3,890

by: Balajikarthick1990

22 Aug 2016, 04:40

ER

If q + r + s = 45, what is the value of qr?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

23 Aug 2016, 02:36

2

3

2,811

by: DAllison2016

23 Aug 2016, 13:32

In the figure, what is the value of y

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

metallicafan

06 Jul 2012, 10:12

2

5

4,436

by: bumpbot

26 Aug 2016, 08:06

ER

What is the ratio of a : b : c?

505-555 (Easy) | Fractions and Ratios

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

BrentGMATPrepNow

06 Sep 2016, 11:57

2

1

3,989

by: Senthil1981

06 Sep 2016, 08:33

ER

If -3/4*x+3y-1/2=3/2*y-1/4*x what is the value of x?

Sub 505 (Easy) | Algebra, Fractions and Ratios

Sub 505 (Easy) | Algebra, Fractions and Ratios hide tags

arvindg

01 Feb 2012, 14:38

2

3

4,925

by: bumpbot

18 Sep 2016, 10:10

ER

If x is greater than 7, is y less than x?

605-655 (Medium) | Inequalities, Number Properties

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

audiogal101

26 Nov 2013, 02:10

2

3

3,452

by: bumpbot

11 Oct 2016, 23:42

ER

While snail R starts to move from point A to C via AC directly, snail

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

25 Oct 2016, 23:10

2

2,117

by: rudra316

26 Oct 2016, 18:24

ER

Is xy < 100?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

souvonik2k

01 Nov 2016, 08:39

2

2,607

by: souvonik2k

01 Nov 2016, 08:47

ER

If x is a positive integer and the sum of its digits is 1, how many

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

03 Nov 2016, 02:31

2

7

1,564

by: kashyap89

04 Nov 2016, 13:25

ER

If d is a positive integer, is d a multiple of 5?

505-555 (Easy) | Multiples and Factors

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

Bunuel

06 Nov 2016, 09:17

2

2,118

by: Vinayak Shenoy

07 Nov 2016, 00:31

Are two positive integers m and n reciprocals?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

stonecold

07 Nov 2016, 12:14

2

1

1,727

by: acegmat123

07 Nov 2016, 16:58

ER

Is the sum of n odd integers odd?

505-555 (Easy) | Multiples and Factors, Number Properties

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

Bunuel

06 Nov 2016, 09:24

2

4

2,258

by: sai897

07 Nov 2016, 22:24

ER

If a is a number less than zero and b is a number greater than zero,

555-605 (Medium) | Algebra, Exponents

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

Bunuel

08 Dec 2016, 14:06

2

3

5,728

by: RR88

09 Dec 2016, 00:45

ER

If a and b are integers greater than 0, is a even?

505-555 (Easy) | Multiples and Factors, Number Properties

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

Bunuel

13 Dec 2016, 11:11

2

3

2,021

by: atshy21saraf

14 Dec 2016, 04:28

ER

If an aquarium which has the shape of a rectangular solid is

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

fozzzy

17 Sep 2013, 01:38

2

4

2,993

by: bumpbot

01 Jan 2017, 01:30

ER

Is xy < –4 ? (1) x + y < –2 (2) x < –2 , y > 2

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

12 Jan 2017, 06:56

2

4

1,987

by: JanGMAC

13 Jan 2017, 00:28

ER

If b is a positive integer, then b has how many distinct positive fact

655-705 (Hard) | Multiples and Factors

655-705 (Hard) | Multiples and Factors hide tags

Bunuel

13 Jan 2017, 07:05

2

1,969

by: stonecold

14 Jan 2017, 04:44

ER

Is q > r?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

HKD1710

15 Jan 2017, 08:26

2

7

2,241

by: Bunuel

16 Jan 2017, 06:10

ER

Is m a multiple of 14?

505-555 (Easy) | Multiples and Factors

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

Bunuel

19 Dec 2016, 04:54

2

2,293

by: nahid007

22 Jan 2017, 12:02

ER

Is (a + b)/(a - b) < 1 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

27 Jan 2017, 09:34

2

1,661

by: nitiny

30 Jan 2017, 18:40

ER

If (x - 1)(x - 2) = 0, x = ?

Poor Quality

Poor Quality hide tags

kuralaysn

13 Feb 2017, 00:43

2

3

2,633

by: Bunuel

13 Feb 2017, 02:23

ER

If c and f are integers, is zc > zf?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

30 Jan 2017, 10:44

2

2,126

by: Bunuel

18 Feb 2017, 13:02

ER

Is x^2 + 2xy + y^2 > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

26 Feb 2017, 08:56

2

1

2,056

by: GMATinsight

26 Feb 2017, 22:07

ER

If the average (arithmetic mean) of set A is 10,000 and the average (a

555-605 (Medium) | Statistics and Sets Problems

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

MathRevolution

08 Mar 2017, 01:13

2

3

2,349

by: MathRevolution

10 Mar 2017, 03:11

ER

Is m ≠ n ? (1) m + n > 0 (2) m < 2n

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

10 Mar 2017, 04:00

2

1,657

by: Mo2men

11 Mar 2017, 05:33

ER

In the figure above, what is the area of the shaded region?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

17 Aug 2016, 01:50

2

8

6,258

by: KrishnakumarKA1

15 Mar 2017, 02:51

ER

Bruce, John, Linda, and Mark stand, in that order, in a straight line.

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Sajjad1994

13 Mar 2017, 10:41

2

1

2,452

by: mikemcgarry

15 Mar 2017, 16:04

ER

If a + b + c = 36, what is the value of abc ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Sajjad1994

17 Mar 2017, 11:50

2

7,807

by: Bunuel

17 Mar 2017, 11:50

ER

What is the value of the sum of a sequence of x consecutive even integ

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Sajjad1994

19 Mar 2017, 08:45

2

1

1,728

by: BrentGMATPrepNow

19 Mar 2017, 09:09

ER

Is it true that a > b ? (1) a + 3 > b – 1 (2) a > |b|

555-605 (Medium) | Absolute Values, Inequalities

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

Bunuel

13 Mar 2017, 08:21

2

6

1,918

by: coolkl

22 Mar 2017, 15:32

ER

If –4 < k < 4, is k < 3 ? (1) (k + 4)(k –3) > 0 (2) k > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

21 Mar 2017, 05:41

2

2,565

by: mohshu

23 Mar 2017, 01:41

ER

Is the product of j, k, l and m, or jklm, an odd number?

605-655 (Medium) | Algebra, Number Properties

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

actleader

10 Nov 2012, 04:57

2

3,567

by: bumpbot

29 Mar 2017, 05:50

ER

What is the value of x – y ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

macjas

27 May 2012, 09:11

2

5,869

by: bumpbot

29 Mar 2017, 05:52

ER

What is the product of positive integers r and s ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

ritumaheshwari02

29 Nov 2012, 10:18

2

3,011

by: bumpbot

29 Mar 2017, 05:56

ER

Is x > 7?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

ankur1901

11 Jan 2014, 00:11

2

2,275

by: bumpbot

29 Mar 2017, 06:13

Tom started a company with 5 of his friends from the college. They mad

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

BillyZ

28 Mar 2017, 15:48

2

3

2,728

by: BillyZ

29 Mar 2017, 22:11

ER

Is z > y ? (1) xz > xy (2) x is negative

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

rxs0005

07 Feb 2012, 16:00

2

2,900

by: AkshdeepS

30 Mar 2017, 10:59

ER

If Y is an integer, is Y/4 an integer?

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

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

Bunuel

04 Apr 2017, 05:46

2

3

1,855

by: matthewsmith_89

05 Apr 2017, 09:29

ER

What is value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

sanjoo

29 Jun 2012, 09:00

2

5

3,831

by: bumpbot

06 Apr 2017, 01:41

ER

In the diagram above each of the letters represents one of the digits

605-655 (Medium) | Arithmetic

605-655 (Medium) | Arithmetic hide tags

Bunuel

06 Apr 2017, 01:46

2

3

3,073

by: Kurtosis

06 Apr 2017, 20:02

ER

In the diagram above each of the letters represents one of the digits

705-805 (Hard) | Arithmetic

705-805 (Hard) | Arithmetic hide tags

Bunuel

10 Apr 2017, 02:31

2

1,914

by: dg88074

10 Apr 2017, 23:05

ER

If n is an integer, is n^3 divisible by 54?

655-705 (Hard) | Multiples and Factors

655-705 (Hard) | Multiples and Factors hide tags

Bunuel

09 Mar 2016, 12:48

2

5

2,682

by: chesstitans

16 Apr 2017, 12:18

ER

What is the value of x^3 − y^3?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

19 Apr 2017, 07:56

2

1,834

by: rohit8865

19 Apr 2017, 08:28

ER

What percent of x is y?

555-605 (Medium) | Fractions and Ratios

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

Bunuel

27 Apr 2017, 02:41

2

3

3,145

by: niks18

27 Apr 2017, 07:31

ER

If x and z are positive integers and xz = 24 what is the ratio of x to

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

27 Apr 2017, 02:40

2

1,591

by: niks18

27 Apr 2017, 12:27

Is x < 1?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

ganand

06 May 2017, 05:09

2

3

2,301

by: WiziusCareers1

06 May 2017, 05:52