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

78,877

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

856

24

188,614

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

488,059

by: bb

29 Aug 2025, 13:27

ER

If x, y, z are all integers, is xyz odd?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

07 Feb 2020, 04:28

7

4

3,639

by: bumpbot

23 Feb 2021, 01:34

ER

If ab^2 = 50, what is the value of a(a – b)(a + b)? (1) a^3 = 8

605-655 (Medium) | Algebra, Inequalities

605-655 (Medium) | Algebra, Inequalities hide tags

vita60

14 Jul 2019, 07:03

4

3

3,183

by: IanStewart

22 Feb 2021, 17:24

ER

What is 1/X + 2/Y ? (1) X + Y = 16 (2) XY = 48

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

13 Feb 2021, 09:24

2

3

2,603

by: Bunuel

22 Feb 2021, 09:15

ER

What is the perimeter of triangle ABC? (1) Side AB measures 5 meters.

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

13 Feb 2021, 09:21

3

3,141

by: ravigupta2912

22 Feb 2021, 08:20

ER

How much revenue did an author receive from the sale of 2000 books, so

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

13 Feb 2021, 09:22

1

2

2,110

by: Bunuel

22 Feb 2021, 08:15

ER

How many ways can N students sit in a row of N seats at a movie? (1)

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

13 Feb 2021, 09:17

2

2,572

by: Bunuel

22 Feb 2021, 05:15

ER

x is non-negative integer, x = 0? (1) xy = x (2) x + y = x

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

GMATinsight

16 Feb 2021, 05:40

6

3

1,997

by: GMATinsight

22 Feb 2021, 05:10

ER

What is the area of ABC? 1) Two sides of ABC are 6 units and 10 unit

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

GMATinsight

02 Mar 2025, 01:55

7

3

1,079

by: GMATinsight

22 Feb 2021, 04:59

ER

What is the total volume of the solid shown in the figure?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Hoozan

21 Feb 2021, 03:31

5

2

2,288

by: GMATinsight

21 Feb 2021, 06:03

ER

If x and y cannot be equal to zero, is x/y > y/x ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

27 Nov 2014, 07:47

13

9

8,238

by: hnhan

19 Feb 2021, 10:18

ER

If a semicircle and triangle are pieced together to form the figure sh

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

17 Oct 2020, 13:06

2

4

1,630

by: CEdward

19 Feb 2021, 10:11

ER

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

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

Bunuel

17 Feb 2021, 01:15

10

4

3,517

by: TarunKumar1234

17 Feb 2021, 13:05

ER

What is the value of x ? (1) √(x^2) = 19 (2) √(19^2) = x

555-605 (Medium) | Algebra, Roots

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

Bunuel

12 Feb 2021, 01:15

4

2,219

by: Bunuel

15 Feb 2021, 01:30

ER

A group of students, no two of whom are the same height, are lined up

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

Bunuel

17 Oct 2020, 13:02

4

2,347

by: CEdward

12 Feb 2021, 21:57

ER

Find the value of the two digit number Z?

655-705 (Hard) | Multiples and Factors

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

Bunuel

08 Feb 2021, 01:15

4

7

2,324

by: Ujjawalm8shra

11 Feb 2021, 09:06

ER

What is the circumradius of a right angle triangle if its sides are in

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

rohan789

31 Mar 2019, 09:57

2

6

2,350

by: bumpbot

04 Feb 2021, 08:14

ER

If xy < 5, is x < 1 ?

655-705 (Hard) | Absolute Values, Inequalities

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

enigma123

04 Dec 2012, 02:49

16

6

6,046

by: CEdward

02 Feb 2021, 15:06

ER

Is x greater than 2?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

14 Jul 2015, 03:29

5

9

4,336

by: bumpbot

01 Feb 2021, 04:44

ER

If a, b, and c are positive integers, is abc an even integer ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

18 Jun 2015, 03:13

6

7

8,370

by: bumpbot

31 Jan 2021, 13:53

ER

Is x + y > 0?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

EgmatQuantExpert

23 May 2017, 06:58

4

5

6,090

by: bumpbot

29 Jan 2021, 12:23

ER

If x and y are positive integers, is x^m+y a multiple of 9?

555-605 (Medium) | Multiples and Factors

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

MathRevolution

13 Feb 2017, 02:26

2

4

2,064

by: bumpbot

27 Jan 2021, 22:47

ER

In the xy-plane, region A consists of all the points (x,y)

655-705 (Hard) | Coordinate Plane, Inequalities

655-705 (Hard) | Coordinate Plane, Inequalities hide tags

josemnz83

10 Dec 2015, 02:26

36

10

7,946

by: ScottTargetTestPrep

27 Jan 2021, 06:06

ER

If J and K are points in a plane and J lies inside the circle C with c

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Sajjad1994

03 Feb 2017, 04:46

6

3

2,587

by: ScottTargetTestPrep

27 Jan 2021, 06:05

ER

Is N/2 an odd integer? (1) 2N is even (2) N is even

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Carcass

27 Feb 2012, 07:04

5

7

4,765

by: Nipungupta9081

25 Jan 2021, 22:31

ER

Is mn < 100? (1) m < 2 (2) n < 5

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

23 Jan 2021, 09:45

3

4

1,233

by: Archit3110

24 Jan 2021, 08:17

ER

Is x > y? (1) x - 5 > y - 5 (2) x^2 > xy

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

kumar83

05 Nov 2020, 06:49

4

5

2,863

by: bumpbot

20 Jan 2021, 10:45

ER

What is the value of x ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

hb

15 Jul 2013, 09:30

2

4

4,860

by: bumpbot

20 Jan 2021, 10:44

ER

Is MN Odd?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

thevenus

11 Oct 2012, 00:13

1

5

3,482

by: bumpbot

20 Jan 2021, 10:43

ER

Is Y < 40? (1) Y - X > 40 (2) X + Y = 40

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

20 Jan 2021, 07:00

3

2

2,781

by: BrentGMATPrepNow

20 Jan 2021, 09:14

ER

Is n^2 an even integer?

Poor Quality

Poor Quality hide tags

avohden

02 Nov 2013, 00:56

14

7

3,954

by: Bunuel

07 Jan 2021, 00:36

ER

What is the value of a ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

atalpanditgmat

03 Apr 2013, 09:42

4

7

4,998

by: MHIKER

05 Jan 2021, 16:10

ER

If pqrst = 4, then is p = 1/q ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

15 Jan 2015, 07:15

28

9

4,404

by: bumpbot

04 Jan 2021, 14:39

ER

Jack is standing in line. If there are 8 more people in front of Jack

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

01 Jan 2021, 08:30

2

1,897

by: CrackverbalGMAT

01 Jan 2021, 23:13

ER

If triangle ABC isosceles, what is its perimeter?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

30 Dec 2020, 10:36

5

1,427

by: MHIKER

31 Dec 2020, 09:58

ER

What is the value of x? (1) |2x + 3| = 4 (2) |4x – 4| = 2

505-555 (Easy) | Absolute Values

505-555 (Easy) | Absolute Values hide tags

Bunuel

07 Nov 2020, 10:21

9

4

1,739

by: SHUBHAM GAUTAM

30 Dec 2020, 22:57

ER

If r and t are positive integers, what is the value of t?

555-605 (Medium) | Algebra, Exponents

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

MHIKER

28 Dec 2020, 07:54

48

6

14,855

by: MHIKER

28 Dec 2020, 07:53

ER

If Runner A followed Runner B down a portion of track that is 1/3 mile

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

Bunuel

14 Aug 2019, 01:31

6

4

10,605

by: bumpbot

26 Dec 2020, 09:27

ER

If x and y are positive integers, is the following cube root

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Poor Quality hide tags

solarzj

09 Jun 2012, 07:22

27

5

10,070

by: harshilNori

24 Dec 2020, 00:09

ER

Is the prime number q equal to 29 ?

805+ (Hard) | Multiples and Factors, Number Properties

805+ (Hard) | Multiples and Factors, Number Properties hide tags

Bunuel

25 Dec 2017, 05:42

11

5

2,888

by: Bibah

23 Dec 2020, 10:43

ER

If t is an integer, is t odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Hoozan

19 Dec 2020, 08:42

2

1,569

by: TestPrepUnlimited

22 Dec 2020, 21:58

ER

Is a positive integer n greater than 1 divisible by 2?

505-555 (Easy) | Multiples and Factors

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

MathRevolution

07 Mar 2017, 01:02

2

6

2,446

by: bumpbot

16 Dec 2020, 19:31

ER

If a and b are positive integers, What is the value of tens digit of a

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Poor Quality hide tags

Kritisood

22 Apr 2020, 08:28

7

9

3,718

by: Commendlionel

12 Dec 2020, 01:56

ER

What is x? (1) |2x| = 6x 4 (2) |x| < 2

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Poor Quality hide tags

WarriorWithin

11 Dec 2020, 04:37

3

5

1,785

by: wali786

11 Dec 2020, 13:08

ER

If the average of four numbers is 35, how many of the numbers are less

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

28 Feb 2016, 11:47

6

4

5,001

by: Basshead

05 Dec 2020, 17:23

ER

A candy manufacturer decided to decrease the weight of each candy bar,

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

29 Jan 2016, 03:21

12

11

6,326

by: bumpbot

05 Dec 2020, 01:26

ER

If x+y=10^15, where x and y are positive integers, y=? (1) The sum of

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

MBA20

10 May 2019, 10:56

19

2

2,852

by: chetan2u

04 Dec 2020, 08:31

ER

Right now, a barrel of water is exactly 40% full of water. What is th

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

09 Apr 2015, 07:26

14

8

7,631

by: bumpbot

01 Dec 2020, 09:01

ER

What is the value of x?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

10 Nov 2014, 08:29

14

13

7,581

by: bumpbot

25 Nov 2020, 12:03

ER

If x, y and z are positive integers, can the value of (x + y

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

ProfChaos

19 Nov 2020, 20:03

4

1,216

by: ProfChaos

19 Nov 2020, 22:01

ER

In the triangle above, what is the measure of Angle YZX?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

14 May 2020, 07:18

4

5

4,436

by: SiddharthR

19 Nov 2020, 14:15