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

79,736

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

188,981

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

488,681

by: bb

29 Aug 2025, 13:27

ER

Is x positive? (1) 0, on a number line, is close to x+10 than to x.

655-705 (Hard) | Absolute Values, Inequalities

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

chetan2u

18 Dec 2017, 07:45

13

3

2,903

by: bumpbot

03 Sep 2023, 18:10

ER

Is m+10 positive?

Poor Quality

Poor Quality hide tags

sandysilva

18 Dec 2017, 02:58

7

1,836

by: sandysilva

18 Dec 2017, 07:58

ER

If x and z are positive numbers less than 16, is z greater than the

655-705 (Hard) | Algebra, Number Properties

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

Bunuel

17 Dec 2017, 23:38

18

8

5,738

by: Sonia2023

02 Nov 2023, 01:08

ER

Is the positive square root of x an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

17 Dec 2017, 23:29

3

2,796

by: bumpbot

02 Feb 2023, 14:42

ER

As shown in the graph above, the circular base of a large oak tree sit

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

17 Dec 2017, 23:25

5

7

3,062

by: chetan2u

27 Dec 2018, 07:59

ER

CMAT scores are calculated as per the following rule 1) Raw score is c

505-555 (Easy) | Fractions and Ratios +2 tags

505-555 (Easy) | Fractions and Ratios, Number Properties, Word Problems hide tags

GMATinsight

17 Dec 2017, 06:50

3

2,471

by: roykabir772

17 Dec 2017, 07:48

ER

If Jack buys 5 pieces of three different items priced $20, $80 and $10

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

chetan2u

17 Dec 2017, 05:54

17

6

3,506

by: bumpbot

04 Jan 2025, 05:05

ER

What is the ratio of area of triangle BOC to area of triangle AOC ,

555-605 (Medium) | Coordinate Plane, Geometry

555-605 (Medium) | Coordinate Plane, Geometry hide tags

chetan2u

17 Dec 2017, 05:17

3

2,981

by: amanvermagmat

17 Dec 2017, 22:04

ER

Set S contains N integers. Is S a set of distinct consecutive integers

705-805 (Hard) | Statistics and Sets Problems

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

NandishSS

17 Dec 2017, 02:44

8

5,036

by: bumpbot

15 Aug 2023, 04:23

ER

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

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

17 Dec 2017, 01:42

10

4,081

by: bumpbot

26 Apr 2024, 06:17

ER

If r and s are consecutive even integers, is r greater than s ?

655-705 (Hard) | Inequalities, Number Properties

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

Bunuel

17 Dec 2017, 01:35

3

8

3,341

by: Bunuel

28 Dec 2017, 07:28

ER

In the figure above, what is the value of x + y?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Sajjad1994

17 Dec 2017, 01:23

4

2,457

by: exc4libur

17 Dec 2017, 09:12

ER

Is 7^(x + 2)/49 > 1 ?

555-605 (Medium) | Exponents, Inequalities

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

Bunuel

16 Dec 2017, 02:00

3

4

2,483

by: firas92

23 Aug 2019, 19:39

ER

If x ≠ 0, what is the value of (x^p/x^q)^3 ? (1) p - q = 1 (2) x = 4

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

Bunuel

16 Dec 2017, 01:51

2

2,678

by: exc4libur

16 Dec 2017, 09:18

ER

Is xy <= 6 ? (1) 1 <= x <= 2 and 4 <= y <= 6 (2) x + y = 7

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

16 Dec 2017, 01:46

3

6

2,680

by: exc4libur

18 Dec 2017, 03:06

ER

If m and n are positive integers and mn = 30, what is the value of m ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

16 Dec 2017, 01:34

3

4

2,931

by: bumpbot

07 Jul 2021, 17:54

ER

In the figure above, a circle is inscribed in a square with side b and

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

13 Dec 2017, 23:00

3

3,185

by: bumpbot

28 Jan 2019, 02:12

ER

What is the value of a - b ? (1) a^2 - 2ab + b^2 = 16 (2) |a - b| = 4

505-555 (Easy) | Absolute Values, Algebra

505-555 (Easy) | Absolute Values, Algebra hide tags

Bunuel

12 Dec 2017, 05:55

3

1

2,398

by: chetan2u

12 Dec 2017, 06:27

ER

If m and n are integers, is m + n divisible by 3?

505-555 (Easy) | Multiples and Factors

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

Bunuel

12 Dec 2017, 05:53

1

2

2,470

by: Alexey1989x

13 Dec 2017, 03:01

ER

The number N is 5H72, the hundred's digit being represented by H. What

555-605 (Medium) | Multiples and Factors

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

Bunuel

12 Dec 2017, 05:50

6

7

3,144

by: bumpbot

11 Sep 2024, 13:26

ER

Is a < 0, if a and b are integers?

655-705 (Hard) | Algebra, Inequalities

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

chetan2u

11 Dec 2017, 07:58

8

5

2,200

by: bumpbot

04 Sep 2023, 17:49

ER

In what year did company A begin to operate?

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

11 Dec 2017, 01:37

6

2

3,281

by: bumpbot

04 Mar 2026, 06:02

ER

a, x, and k are positive integers. k is odd. Is a divisible by 24?

805+ (Hard) | Exponents

805+ (Hard) | Exponents hide tags

Bunuel

11 Dec 2017, 00:50

45

11

4,784

by: bumpbot

04 Feb 2023, 06:30

ER

Is the positive integer x a multiple of 16?

605-655 (Medium) | Multiples and Factors

605-655 (Medium) | Multiples and Factors hide tags

Bunuel

10 Dec 2017, 23:42

1

4

2,951

by: spetznaz

17 Apr 2018, 07:27

ER

The symbol ? represents one of the following operations: addition, sub

505-555 (Easy) | Functions and Custom Characters

505-555 (Easy) | Functions and Custom Characters hide tags

Bunuel

10 Dec 2017, 23:31

10

4

7,879

by: bumpbot

22 Jul 2024, 21:50

ER

If x is an integer and x ≠ 31, is (31 - x)/x an integer?

605-655 (Medium) | Algebra +2 tags

605-655 (Medium) | Algebra, Fractions and Ratios, Multiples and Factors hide tags

chetan2u

10 Dec 2017, 08:25

8

6

3,186

by: QuantMadeEasy

18 Jul 2019, 20:06

ER

If p is an integer, is p a prime number?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

10 Dec 2017, 01:25

3

3,596

by: bumpbot

25 Mar 2023, 12:18

ER

Can the positive integer q be written as the sum of three different

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

10 Dec 2017, 01:22

5

7

3,233

by: Bunuel

27 May 2019, 21:33

ER

If y is an integer, is y^3 divisible by 12?

555-605 (Medium) | Multiples and Factors

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

Bunuel

10 Dec 2017, 01:20

4

2,024

by: bumpbot

24 Jun 2023, 07:28

ER

If p is an integer, then p is divisible by how many positive integers?

555-605 (Medium) | Exponents +2 tags

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

Bunuel

10 Dec 2017, 01:16

13

5

2,975

by: VeritasPrepBrian

22 Aug 2018, 10:53

ER

If yz = 6, what is the value of yz(y + z) ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

10 Dec 2017, 01:14

1

1,877

by: niks18

10 Dec 2017, 03:40

ER

What is the value of xy ? (1) The average of x and y is 7. (2) The ave

505-555 (Easy) | Algebra, Statistics and Sets Problems

505-555 (Easy) | Algebra, Statistics and Sets Problems hide tags

Bunuel

10 Dec 2017, 01:11

2

1,552

by: alphastallion

12 Dec 2017, 16:54

ER

Is t^(1/2) an even integer? (1) t is equal to m^2. (2) m is an even in

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

10 Dec 2017, 01:09

1

1,271

by: niks18

10 Dec 2017, 03:46

ER

Is ab > 11? (1) a < 6 and b < 2 (2) a/b > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

10 Dec 2017, 01:08

2

1,783

by: bumpbot

05 May 2019, 00:39

ER

If n is an integer, is (29 - n)/n an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

10 Dec 2017, 01:06

3

4

2,264

by: bumpbot

05 May 2019, 00:31

ER

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

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

10 Dec 2017, 01:04

7

4

5,151

by: bumpbot

11 May 2023, 02:55

ER

If x, y, and z are three integers, are they consecutive integers?

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

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

Bunuel

10 Dec 2017, 00:51

2

6

2,235

by: dineshril

14 Dec 2017, 11:26

ER

How many liters of apple juice were added to the cranberry juice in a

Sub 505 (Easy) | Mixture Problems

Sub 505 (Easy) | Mixture Problems hide tags

Aim800score

09 Dec 2017, 07:18

6

3

14,504

by: bumpbot

17 Jun 2025, 23:44

ER

Out of a jar that is filled with quarters, nickels and dimes, k coins

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

ich

09 Dec 2017, 04:28

5

7

3,403

by: bumpbot

09 Dec 2023, 01:20

ER

Is a^4+b^4 less than 32?

805+ (Hard) | Algebra +2 tags

805+ (Hard) | Algebra, Inequalities, Min-Max Problems hide tags

diota2004

08 Dec 2017, 21:42

52

7

4,059

by: bumpbot

18 Feb 2020, 05:38

ER

Two containers contain milk and water solutions of volume x liters and

705-805 (Hard) | Mixture Problems

705-805 (Hard) | Mixture Problems hide tags

Aim800score

08 Dec 2017, 07:35

58

7

9,918

by: Bunuel

04 Jan 2026, 04:27

ER

If c > d > b, is d an integer?

655-705 (Hard) | Algebra, Number Properties

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

chetan2u

08 Dec 2017, 01:38

5

4

2,342

by: bumpbot

24 Mar 2025, 14:31

ER

If x and y are positive integers greater than 3, what is the remainder

705-805 (Hard) | Number Properties, Remainders

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

Bunuel

06 Dec 2017, 09:05

35

14

6,440

by: bumpbot

01 Apr 2024, 17:36

ER

What percent of the employees of Company X are technicians?

555-605 (Medium) | Fractions and Ratios, Percent and Interest Problems

555-605 (Medium) | Fractions and Ratios, Percent and Interest Problems hide tags

Bunuel

06 Dec 2017, 04:11

30

5

12,934

by: Bunuel

02 Dec 2025, 11:29

ER

x and y are consecutive integers, and x < y. What is the value of x?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

06 Dec 2017, 00:36

3

4

2,476

by: bumpbot

07 Apr 2020, 05:57

ER

If y and n are positive integers, is yn divisible by 7?

555-605 (Medium) | Algebra, Multiples and Factors

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

Bunuel

06 Dec 2017, 00:34

9

5,010

by: bumpbot

11 Dec 2023, 10:25

ER

If x is an integer, is x^3 divisible by 49?

555-605 (Medium) | Multiples and Factors

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

Bunuel

05 Dec 2017, 21:55

1

4

1,751

by: lovenish

06 Dec 2017, 23:06

ER

Is 4^x less than 5,000?

605-655 (Medium) | Exponents, Inequalities

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

Bunuel

05 Dec 2017, 03:44

10

4

2,587

by: bumpbot

21 Apr 2023, 00:22

ER

If n is an integer greater than 5, what is the remainder when n is

705-805 (Hard) | Multiples and Factors +2 tags

705-805 (Hard) | Multiples and Factors, Number Properties, Remainders hide tags

RonPurewal

05 Dec 2017, 01:42

24

16

4,760

by: bumpbot

07 Oct 2024, 05:23

ER

If each of c, d, and e is a positive one-digit number, what is the val

605-655 (Medium) | Algebra, Number Properties

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

Bunuel

04 Dec 2017, 00:14

4

7

2,240

by: bumpbot

10 Mar 2023, 07:34