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

79,853

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

858

24

188,996

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

488,708

by: bb

29 Aug 2025, 13:27

ER

Is the quadrilateral ABCD a square?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Enchanting

13 Apr 2020, 12:35

3

2

1,813

by: GMATinsight

13 Apr 2020, 23:05

ER

Is r^6*s^3*t^4 negative?

655-705 (Hard) | Inequalities, Number Properties

655-705 (Hard) | Inequalities, Number Properties hide tags

GMATBusters

18 Apr 2020, 06:56

3

7

1,703

by: sauravleo123

18 Apr 2020, 11:55

ER

Is Z an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

AjChakravarthy

10 Jan 2015, 14:05

21

10

8,243

by: bumpbot

21 Apr 2020, 00:17

ER

If m and n are positive integers and

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

MathRevolution

26 Jul 2018, 01:44

3

5

2,726

by: rsmalan

22 Apr 2020, 00:31

ER

The perimeter of a rectangular window is 28 feet. What is the length

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

rocketmandoman

04 Apr 2019, 23:59

9

10

2,814

by: UJJWALGULHANI

22 Apr 2020, 10:58

ER

If a, b, c and d are integers, how many of these are odd?

605-655 (Medium) | Inequalities, Number Properties

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

chetan2u

30 Apr 2020, 01:11

7

2,464

by: freedom128

01 May 2020, 03:36

ER

If 1 < p < 2, is the tenths’ digit of the decimal representation of p

555-605 (Medium) | Fractions and Ratios +2 tags

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

Bunuel

21 Sep 2018, 01:42

4

2,113

by: bumpbot

03 May 2020, 04:38

ER

Given that x and y are positive integers, what is the units digit of

555-605 (Medium) | Exponents +2 tags

555-605 (Medium) | Exponents, Fractions and Ratios, Number Properties hide tags

Bunuel

29 Feb 2016, 12:30

26

5

5,060

by: bumpbot

07 May 2020, 02:36

ER

Two polygons A and B have number of sides as a and b respectively, wha

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

06 May 2020, 22:39

8

4

4,395

by: poojakhanduja3017

07 May 2020, 15:13

ER

In triangle MNP, if MN = x, NP = 2x, and MP = y, which of the three an

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

10 May 2020, 06:28

2

3

2,750

by: preetamsaha

10 May 2020, 07:14

ER

If Q and T are integers, what is the value of Q?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

28 Sep 2016, 00:57

2

3

2,128

by: Bunuel

10 May 2020, 11:14

ER

If x is an integer between 0 and 10 is y less than the average of x an

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

12 May 2020, 02:49

3

4

3,607

by: sambitspm

13 May 2020, 04:47

ER

If the students were awarded only three grades - A, B and C - how many

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

13 May 2020, 09:07

2

1,348

by: GMATWhizTeam

14 May 2020, 01:19

ER

Is x < y ? (1) 1/x < 1/y (2) x + y = 10

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

13 May 2020, 09:51

4

3

1,073

by: unflinchingSubhs

14 May 2020, 05:27

ER

If c and d are integers, is c − 3d even?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

13 Mar 2020, 05:19

4

3

3,838

by: Bunuel

17 May 2020, 14:04

ER

If x and y are positive integers, is x > y ?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

15 Feb 2018, 23:32

3

6

3,946

by: bumpbot

19 May 2020, 10:39

ER

What is the value of B if a = b/c^2 ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

06 May 2015, 03:36

5

10

3,614

by: Ved22

19 May 2020, 21:24

ER

A company X has offices in four locations A, B, C and D. The figure

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

21 May 2020, 03:47

7

5

2,496

by: sambitspm

21 May 2020, 21:06

ER

Is k positive? (1) k is between -2 and 3 on the number line. (2) k is

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

06 Jun 2019, 07:20

1

4

8,265

by: Kinshook

23 May 2020, 08:00

ER

If y ≠ 0, what is the value of x/y? (1) x = 2y (2) x = y + 2

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

23 May 2020, 05:41

2

5

4,539

by: NitishJain

25 May 2020, 12:50

ER

For integers m, how many positive perfect cubes would be less than m?

655-705 (Hard) | Inequalities, Number Properties

655-705 (Hard) | Inequalities, Number Properties hide tags

Bunuel

07 Nov 2019, 03:29

13

5

4,154

by: borjaapaolaza

26 May 2020, 15:41

ER

In triangle ABC, is AC^2 = AB^2 + BC^2 ?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

27 May 2020, 04:26

9

6

6,421

by: GMATWhizTeam

28 May 2020, 04:31

ER

Each of a, b, and c is a positive integer, 3b < a, and a + b = c. What

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

26 Jul 2018, 00:22

6

4

3,563

by: Bunuel

28 May 2020, 11:50

ER

If 4a = 7b = 21c, what is the value of b?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Sajjad1994

30 May 2020, 05:03

1

4

2,468

by: Archit3110

30 May 2020, 09:05

ER

In the fractions a/b and c/d, where a, b, c and d are positive integer

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

01 Jun 2020, 04:16

14

3

5,272

by: IanStewart

01 Jun 2020, 12:24

ER

How far is A from C?

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

kashishh

20 Jun 2012, 12:14

3

8

6,897

by: bumpbot

03 Jun 2020, 09:51

ER

Is x - y < 0 ? (1) 9y - 6x > 0 (2) xy > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Codebug4it

07 Jun 2020, 02:09

5

2,586

by: Mo2men

07 Jun 2020, 02:37

ER

Is x > y? (1) x + y < 0 (2) x + |y| < −1

655-705 (Hard) | Absolute Values, Inequalities

655-705 (Hard) | Absolute Values, Inequalities hide tags

HoneyLemon

08 Jun 2020, 00:15

4

3

1,982

by: animagreborn

08 Jun 2020, 00:38

ER

Does the positive integer M have greater than 4 factors?

555-605 (Medium) | Multiples and Factors

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

Bunuel

09 Jun 2020, 06:03

1

3

1,517

by: Archit3110

09 Jun 2020, 09:30

ER

If a and b are positive integers, is a/b an integer?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

17 Jun 2020, 06:49

2

5

2,115

by: GMATinsight

17 Jun 2020, 21:54

ER

If K is a sequence of n consecutive integers, then what is the value

655-705 (Hard) | Number Properties, Statistics and Sets Problems

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

Bunuel

18 Jun 2020, 08:31

4

3

2,942

by: mSKR

19 Jun 2020, 05:00

ER

If p is a positive number, is p > 4 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

20 Jun 2020, 04:43

3

2

1,838

by: chetan2u

20 Jun 2020, 05:03

ER

The X boys and Y girls in a certain class took a math test.

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

fozzzy

17 Sep 2013, 01:59

3

4

3,970

by: bumpbot

24 Jun 2020, 06:55

ER

Is x + y > 0 (1) x/y > -1 (2) y > -x

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Russ19

22 Jun 2020, 00:14

6

5

1,631

by: rcgard

24 Jun 2020, 13:11

ER

If abcd ≠ 0, 0 < c < b < a < 1, is it true that a^4bc/d^2 < 1?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Sajjad1994

24 Jun 2020, 05:30

2

4

1,381

by: Papist

25 Jun 2020, 12:05

ER

Is arc ABC equal in length to arc DEF ? (1) AD⊥CF (2) AD and CF bis

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

26 Jun 2020, 02:51

14

5

2,243

by: sambitspm

26 Jun 2020, 20:59

ER

If x < 200, what is the value of x?

Poor Quality

Poor Quality hide tags

Papist

27 Jun 2020, 00:10

2

4

1,794

by: mSKR

27 Jun 2020, 10:50

ER

What is the area of isosceles triangle X?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

26 Jun 2015, 02:22

7

9

7,330

by: bumpbot

09 Jul 2020, 01:05

ER

If 3x - 3 - 4x = x - 7 - 2x + 4, then what is the value of x ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Sajjad1994

21 Mar 2020, 01:00

2

7

2,105

by: KaramveerBakshi

13 Jul 2020, 03:08

ER

In the figure above, ABCDEF is a regular hexagon with

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

anmolmakkarz17

01 Nov 2019, 10:42

13

5

5,655

by: KarishmaB

15 Jul 2020, 23:55

ER

If a and b are consecutive negative integers, is a less than

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

shekar123

07 Jun 2010, 16:17

6

4

4,991

by: bumpbot

18 Jul 2020, 04:27

ER

If |x + 3| = 3, what is the value of x? (1) x^2 ≠ 0 (2) x^2 + 6x = 0

555-605 (Medium) | Absolute Values, Algebra

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

Bunuel

21 Sep 2018, 01:41

5

4

2,845

by: bumpbot

18 Jul 2020, 08:01

ER

If x < y, is x^2 > y^3 ? (1) |x|y < 0 (2) x^3 < y^3

555-605 (Medium) | Absolute Values, Inequalities

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

DHAR

31 Jul 2017, 06:40

7

4

4,652

by: bumpbot

18 Jul 2020, 14:24

ER

If x and y are non-negative integers, is x>y?

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mangamma

04 Mar 2019, 03:00

13

5

6,308

by: chetan2u

19 Jul 2020, 01:54

ER

What was the cost in dollars per mile of the jet fuel needed for a pla

505-555 (Easy) | Work and Rate Problems

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

coreyander

19 Jul 2020, 07:32

1

2

2,302

by: IanStewart

20 Jul 2020, 09:58

ER

Is y = 7?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

09 Mar 2016, 13:35

4

5

3,557

by: bumpbot

21 Jul 2020, 02:10

ER

What is the value of x? (1) x(y - z) = 0 (2) yz < 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Russ19

03 Jul 2020, 11:13

12

7

2,999

by: ifteec464

21 Jul 2020, 11:59

ER

For the set of measurements 3, x2, x3, what is the value of x3 ? (1) T

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Sajjad1994

18 Feb 2019, 11:55

3

5

2,383

by: bumpbot

26 Jul 2020, 14:11

ER

Is x = √8 ? (1) x^2 − 4√2*x + 8 = 0 (2) x^2 + 2√2 *x − 16 = 0

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

27 Jul 2020, 03:09

3

6

2,310

by: KaramveerBakshi

27 Jul 2020, 07:36

ER

Does the parabola y=a(x-h)^2+k intersect the x-axis? 1) h<0 2) a<0

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

TheUltimateWinner

24 Jul 2020, 09:25

5

4

2,337

by: Aulegue

27 Jul 2020, 07:51