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

79,896

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

189,017

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

488,734

by: bb

29 Aug 2025, 13:27

ER

A number is to be written in each of the small squares in the figure

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

23 May 2020, 08:36

18

8

7,900

by: bumpbot

24 Jul 2025, 06:13

ER

Is P positive? (1) P^3 = P (2) |P| = P

605-655 (Medium) | Absolute Values, Algebra

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

Hemavakade

16 Sep 2015, 12:31

23

10

5,147

by: Rahilgaur

23 Jul 2025, 04:34

ER

Karina´s mother has already bought T attraction tickets to distribute

555-605 (Medium) | Algebra, Word Problems

555-605 (Medium) | Algebra, Word Problems hide tags

fskilnik

05 Mar 2019, 09:33

5

2

1,642

by: bumpbot

22 Jul 2025, 01:42

ER

Given that a, b, c, and, d are non-negative integers, is the

655-705 (Hard) | Algebra, Number Properties

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

enigma123

09 May 2020, 12:09

63

12

17,182

by: bumpbot

21 Jul 2025, 02:09

ER

If x and y are integers, x≠0 and y≠0, is x2x>y2y ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

ProfChaos

03 Aug 2020, 09:12

10

4

2,339

by: bumpbot

20 Jul 2025, 23:26

ER

What is the average of A, B, and C?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

ocavon

25 Jun 2015, 09:25

15

2

8,125

by: bumpbot

20 Jul 2025, 23:20

ER

Is x >= 0 ?

655-705 (Hard) | Absolute Values, Algebra

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

KrishnaK

17 Jan 2011, 11:12

10

4

6,264

by: bumpbot

20 Jul 2025, 19:19

ER

Is x < y?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Puneethrao

01 Nov 2013, 01:01

14

8

6,316

by: bumpbot

20 Jul 2025, 19:19

ER

Is x > 3? (1) The sum of x and the square of x is 12 (2) x^2 > 9

605-655 (Medium) | Algebra, Inequalities

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

Bunuel

08 Oct 2015, 07:43

22

7

6,737

by: bumpbot

20 Jul 2025, 18:58

ER

What is the value of x? (1) |2x − 1| = 3x + 6 (2) x^2 = 1

655-705 (Hard) | Absolute Values, Algebra

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

Bunuel

24 Apr 2017, 04:21

39

8

8,409

by: bumpbot

20 Jul 2025, 17:49

ER

In the equation x^2 + 2xy + y^2 = 144, is x positive? (1) y = 4 (2) x

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

15 Jul 2022, 01:30

12

2

1,804

by: bumpbot

20 Jul 2025, 17:41

ER

What is the value of j + k? (1) mj + mk = 2m (2) 5j + 5k = 10

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

24 Oct 2022, 08:59

16

4

2,168

by: bumpbot

20 Jul 2025, 17:36

ER

What is the value of x? 1) x^2 + x + 10 = 16 2) x = 4y^4+2y^2+2

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

GMAT4937

26 Jan 2016, 14:15

140

17

25,057

by: bumpbot

20 Jul 2025, 17:31

ER

What is the value of x?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Shalabh09

01 May 2015, 06:32

17

8

4,169

by: bumpbot

19 Jul 2025, 19:10

ER

For integers x, y, and z, x = y^2. What is the value of z?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

HarveyS

08 Apr 2014, 16:01

228

17

23,784

by: bumpbot

19 Jul 2025, 19:04

ER

Are the positive integers x and y consecutive?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

daviesj

06 Jan 2013, 08:04

24

9

7,695

by: bumpbot

19 Jul 2025, 18:17

ER

If z=(m + m/3)(n+2/(n^(-1)) and mn#0, what is the value of Z?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

harish1986

13 Jan 2016, 10:47

11

10

7,496

by: bumpbot

19 Jul 2025, 18:14

ER

Does 4^a = 4^-a + b? (1) 16^a = 1 + ((2^2a) / (b^-1)) (2) a

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

rjkaufman21

14 Sep 2011, 10:31

14

10

5,903

by: bumpbot

19 Jul 2025, 18:13

ER

If n is a positive integer greater than 1, is (n + 11)^(1/2) = n^(1/2)

655-705 (Hard) | Algebra, Number Properties

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

Viserion99

24 May 2018, 21:34

28

15

5,618

by: bumpbot

19 Jul 2025, 18:11

ER

What is the value of (2a + 6a − 3b)/(2a − b)?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

01 Sep 2021, 04:30

7

6

3,616

by: bumpbot

19 Jul 2025, 18:09

ER

If a, b, and c are positive integers, with a < b < c, are a, b, and c

655-705 (Hard) | Algebra, Number Properties

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

SMAbbas

02 Oct 2020, 02:07

86

13

23,214

by: bumpbot

19 Jul 2025, 18:04

ER

The workers at a large construction company reported x

655-705 (Hard) | Algebra, Percent and Interest Problems

655-705 (Hard) | Algebra, Percent and Interest Problems hide tags

rpamecha

14 Apr 2012, 11:57

32

4

9,922

by: bumpbot

19 Jul 2025, 18:02

ER

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

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

08 Sep 2021, 03:30

10

3

2,462

by: bumpbot

19 Jul 2025, 17:57

ER

If x and y are positive integers, what is the value of (x + y)?

655-705 (Hard) | Algebra, Inequalities

655-705 (Hard) | Algebra, Inequalities hide tags

Bunuel

09 Jun 2015, 02:37

8

9

5,722

by: bumpbot

19 Jul 2025, 17:53

ER

If ab#0 and a # -3b, what is the value of (4a + 6b)/(a + 3b)

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

17 Nov 2014, 12:45

25

7

8,055

by: bumpbot

19 Jul 2025, 14:30

ER

If x^2/9 4/y^2 = 12, what is the value of x?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

kairoshan

30 May 2022, 01:14

102

4

26,786

by: bumpbot

18 Jul 2025, 23:32

ER

If a^6-b^6=0 what is the value of a^3+b^3?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

gmat6nplus1

29 Dec 2013, 07:29

32

7

7,442

by: bumpbot

17 Jul 2025, 03:58

ER

If abc 0, what is the value of ab/c?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

13 Nov 2022, 03:33

3

2,021

by: bumpbot

17 Jul 2025, 00:44

ER

In the equation x^2+bx+c=0, b and c are constants, and x is

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

02 May 2021, 06:45

12

6

3,120

by: abhishkl

17 Jul 2025, 00:39

ER

Does at least one root of the equation x^2 - 2x - 35 = 0 lie between

655-705 (Hard) | Algebra +2 tags

655-705 (Hard) | Algebra, Inequalities, Roots hide tags

EgmatQuantExpert

23 May 2017, 07:30

17

4

5,506

by: bumpbot

15 Jul 2025, 16:45

ER

Is y = 6? (1) y^2 = 36 (2) y^2 - 7y + 6 = 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

ganand

08 Apr 2017, 03:10

28

5

12,962

by: Bunuel

12 Jul 2025, 23:22

ER

If ax^2 + bx^3 = 5, where a and b are non-zero numbers, what

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

atalpanditgmat

19 Jun 2013, 14:39

22

7

8,204

by: bumpbot

12 Jul 2025, 12:53

ER

Is x an even number? (1) x^3 + x^2 = 0 (2) x^2 + |x| = 0

605-655 (Medium) | Absolute Values +2 tags

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

Bunuel

04 Dec 2018, 03:09

36

12

7,132

by: bumpbot

12 Jul 2025, 12:25

ER

If x and y are positive integers, what is the GCF of x and y

605-655 (Medium) | Algebra, Remainders

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

JJ2014

15 Dec 2012, 11:30

72

9

14,384

by: bumpbot

12 Jul 2025, 12:19

ER

If x and y are positive integers is y odd?

805+ (Hard) | Algebra, Number Properties

805+ (Hard) | Algebra, Number Properties hide tags

devinawilliam83

04 Mar 2012, 23:42

205

10

29,121

by: bumpbot

11 Jul 2025, 09:00

ER

If n is an integer and x^n – x^(-n) = 0, what is the value of x ?

655-705 (Hard) | Algebra, Exponents

655-705 (Hard) | Algebra, Exponents hide tags

DeeptiM

04 Dec 2020, 08:32

114

9

21,733

by: bumpbot

11 Jul 2025, 02:38

ER

If x^2 + 5y = 49. Is y an integer?

705-805 (Hard) | Algebra, Number Properties

705-805 (Hard) | Algebra, Number Properties hide tags

tejal777

04 Oct 2009, 04:25

52

5

11,940

by: bumpbot

10 Jul 2025, 10:46

ER

If n > 4, what is the value of the integer n ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

gmatt1476

21 Sep 2019, 16:10

197

14

25,266

by: bumpbot

09 Jul 2025, 00:48

ER

If z is a positive integer is root(Z) an integer ?

655-705 (Hard) | Algebra, Number Properties

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

rxs0005

22 Nov 2017, 00:27

50

10

12,092

by: bumpbot

08 Jul 2025, 03:13

ER

If 5a = 9b = 15c, what is the value of a + b + c?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

jabronyo

13 Jul 2013, 23:06

90

13

21,950

by: bumpbot

06 Jul 2025, 21:32

ER

If 2 < x < 4, what is the median of the numbers 0, 5, x, 1,

555-605 (Medium) | Algebra, Statistics and Sets Problems

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

1, 2

bgribble

30 Nov 2013, 11:54

170

23

50,051

by: bumpbot

06 Jul 2025, 10:58

ER

In how many ways can N students be seated in a row with N seats?

605-655 (Medium) | Absolute Values +2 tags

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

haardiksharma

13 Jun 2017, 05:42

23

5

10,484

by: bumpbot

06 Jul 2025, 05:53

ER

Are exactly 3 distinct symbols used to create the code words in langua

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

GMATBusters

26 Nov 2018, 07:57

121

7

12,842

by: 5monthGMAT700a

03 Jul 2025, 18:38

ER

If f(x) = x + x and z = y^2, is f(z) = y^2 + y?

655-705 (Hard) | Algebra, Functions and Custom Characters

655-705 (Hard) | Algebra, Functions and Custom Characters hide tags

Bunuel

06 Sep 2023, 05:00

4

2

1,670

by: amansoni5

03 Jul 2025, 00:57

ER

If an=f(n) for all integers n>0, is a4>a8?

705-805 (Hard) | Algebra, Functions and Custom Characters

705-805 (Hard) | Algebra, Functions and Custom Characters hide tags

Bunuel

23 Jan 2015, 07:40

52

12

9,771

by: bumpbot

03 Jul 2025, 00:52

ER

If x and y are integers and 4xy = x^2*y+4y, what is the value of xy?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

kashishh

15 Jul 2019, 02:21

74

14

20,297

by: bumpbot

29 Jun 2025, 23:07

ER

Is ac + ((a^2 - 1)(b^2 - 1))^(1/2) <= 1 ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

12 Sep 2022, 08:36

19

6

4,423

by: bumpbot

27 Jun 2025, 15:32

ER

If x is an integer, what is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

srujani

01 Jul 2013, 22:09

18

9

7,450

by: Bunuel

27 Jun 2025, 01:07

ER

If r and s are the roots of the equation x^2 + bx + c = 0

555-605 (Medium) | Algebra, Inequalities

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

asveaass

16 Jun 2021, 10:14

906

18

343,536

by: Aabhash777

26 Jun 2025, 08:48

ER

Number of chocolates with Daniel is X and the number of chocolates wit

805+ (Hard) | Algebra, Word Problems

805+ (Hard) | Algebra, Word Problems hide tags

amanvermagmat

06 Mar 2018, 21:25

8

12

1,963

by: bumpbot

24 Jun 2025, 12:19