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

79,933

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

189,032

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,757

by: bb

29 Aug 2025, 13:27

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

2,136

by: Bunuel

18 Feb 2017, 13:02

ER

If x and y are two different integers, is |x| = |y|?

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

chetan2u

07 Feb 2024, 01:20

6

4

2,086

by: chetan2u

18 Feb 2017, 08:40

ER

Is the number x between 0.5 and 0.8 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

27 Jan 2017, 09:33

2

2,243

by: NandishSS

18 Feb 2017, 07:22

ER

If x and y are reciprocals, what is the value of x + y rounded to the

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Sajjad1994

10 Mar 2017, 23:57

3

5,180

by: JeffTargetTestPrep

16 Feb 2017, 12:21

ER

If x>y>1, is y an even number?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

chetan2u

14 Feb 2017, 20:25

1

7

2,104

by: ScottTargetTestPrep

16 Feb 2017, 12:16

ER

The digit m is greater than 1, what is m?

555-605 (Medium) | Multiples and Factors

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

Bunuel

06 Dec 2016, 07:26

3

8

2,414

by: Bunuel

16 Feb 2017, 06:12

ER

Did candidate x receive more than half of the 30,000 votes cast in the

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Sajjad1994

14 Feb 2017, 09:44

2

2,435

by: Bunuel

14 Feb 2017, 12:27

ER

If y = −1/2, is 2x/y > 1?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

08 Feb 2017, 01:48

5

2,399

by: JeffTargetTestPrep

13 Feb 2017, 08:43

ER

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

Poor Quality

Poor Quality hide tags

kuralaysn

13 Feb 2017, 00:43

2

3

2,652

by: Bunuel

13 Feb 2017, 02:23

ER

what is the tenths digit in decimal representation of x

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

HKD1710

12 Feb 2017, 07:51

1

1,928

by: Bunuel

12 Feb 2017, 08:00

ER

What is the sum a+b+c?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

08 Feb 2017, 09:24

4

6

2,990

by: Bunuel

12 Feb 2017, 01:10

ER

Is the range of Set A greater than the median?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

31 Jan 2017, 10:22

3

2

2,090

by: Mo2men

10 Feb 2017, 22:14

ER

For each home sold in County X, the buyer and the seller each must pay

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

anairamitch1804

10 Feb 2017, 11:25

4

1

4,684

by: mikemcgarry

10 Feb 2017, 17:56

ER

If x and y are integers from 31 to 35, both inclusive. Is x>y?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

chetan2u

09 Feb 2017, 19:35

3

4

1,873

by: quantumliner

09 Feb 2017, 23:49

ER

How many ice cubes can be accommodated in a container? I.The length an

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Sajjad1994

08 Feb 2017, 01:04

1

2

2,029

by: 0akshay0

08 Feb 2017, 00:54

ER

Is the number x between 0.4 and 0.9 ? (1) 60x < 55 (2) 500x > 450

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

06 Feb 2017, 07:50

1

1,703

by: BrentGMATPrepNow

06 Feb 2017, 10:16

ER

If b > 1, is integer b less than 11?

605-655 (Medium) | Multiples and Factors, Number Properties

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

Bunuel

06 Dec 2016, 07:29

1

5

2,804

by: Bunuel

06 Feb 2017, 09:16

ER

Of the people who attended a workshop, 60 percent were teachers and so

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

Sash143

13 Jan 2016, 04:08

13

4

9,864

by: anairamitch1804

05 Feb 2017, 01:31

ER

If xy > 6, is x > 1? (1) 1 < y < 4 (2) 0 < x < 2

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

30 Jan 2017, 11:26

3

1,514

by: rishit1080

03 Feb 2017, 20:41

ER

If –7 < k < 7, is k > 0 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

30 Jan 2017, 10:51

1

2

1,554

by: ankujgupta

02 Feb 2017, 19:19

ER

Let r, k, and m and n be real numbers and let rk > mn. Is k > m? (1)

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

30 Jan 2017, 10:55

2

1,684

by: ankujgupta

02 Feb 2017, 19:13

ER

If x and y are integers, is x > y? (1) x + y = 15 (2) xy = 26

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

30 Jan 2017, 10:43

2

1,406

by: ajay2121988

01 Feb 2017, 04:15

ER

When a positive integer n is divided by 2, what is the remainder?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

MathRevolution

30 Jan 2017, 02:46

1

2

1,856

by: MathRevolution

01 Feb 2017, 02:29

ER

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

27 Jan 2017, 09:34

2

1,671

by: nitiny

30 Jan 2017, 18:40

ER

Does x^2 + 4x + 4 = 10?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

06 Jan 2017, 02:53

5

2,156

by: BloomingLotus

29 Jan 2017, 11:28

Is x^2-y^2 divisible by 8? (1)x and y are even integers. (2) x is divi

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

BillyZ

28 Jan 2017, 17:46

1

1,933

by: Kurtosis

28 Jan 2017, 20:42

ER

If xy > 6, is x > 1?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

27 Jan 2017, 09:37

3

1,586

by: AMahmoodi

28 Jan 2017, 14:53

ER

Is x an integer?

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

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

chetan2u

28 Jan 2017, 05:19

1

4

3,581

by: TheUltimateWinner

28 Jan 2017, 09:58

ER

A certain set X contains the number 20. Is the range of the numbers gr

505-555 (Easy) | Statistics and Sets Problems

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

MathRevolution

25 Jan 2017, 05:13

1

3

2,370

by: MathRevolution

27 Jan 2017, 04:17

ER

Is x between 0.1 and 0.7 ? (1) 250x > 50 (2) 300x < 150

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

12 Jan 2017, 06:57

2

1,736

by: kanusha

24 Jan 2017, 15:47

ER

If x is w% of y% of z, what percent of y is x?

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

21 Jan 2017, 04:11

4

5

3,197

by: Harambe

24 Jan 2017, 10:58

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

2,303

by: nahid007

22 Jan 2017, 12:02

ER

In the xy-plane, if line k has negative slope and passes

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

seekmba

22 May 2010, 14:41

19

9

7,742

by: mvictor

17 Jan 2017, 16:01

ER

In a work force, the employees are either managers or directors. What

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

GMATnavigator

17 Aug 2015, 01:39

5

2

7,096

by: nahid007

16 Jan 2017, 22:44

ER

Is q > r?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

HKD1710

15 Jan 2017, 08:26

2

7

2,249

by: Bunuel

16 Jan 2017, 06:10

ER

If a, b, and c are integers, is abc divisible by 8?

505-555 (Easy) | Multiples and Factors

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

Bunuel

03 Nov 2016, 02:26

1

5

2,966

by: stonecold

16 Jan 2017, 03:52

ER

Given that x is an integer and x is positive, is 210/x also an integer

505-555 (Easy) | Multiples and Factors

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

HKD1710

15 Jan 2017, 08:41

2

1,882

by: stonecold

15 Jan 2017, 09:03

ER

If k is positive integer, What is the value of k?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

HKD1710

15 Jan 2017, 07:46

1

2,204

by: Bunuel

15 Jan 2017, 08:26

ER

Is a certain number p an integer?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

HKD1710

15 Jan 2017, 08:12

1

1,960

by: Bunuel

15 Jan 2017, 08:22

ER

If x and y are integers, is x positive? (1) x = |y| (2) x! = |x|

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

Bunuel

14 Jan 2017, 05:30

1

4

2,076

by: sb0541

15 Jan 2017, 08:07

ER

The figure above represents a rectangular tile. The 8 hexago

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

summer101

11 Jun 2013, 06:19

7

10

5,333

by: BillyZ

15 Jan 2017, 01:31

ER

Is x>|xy+y^2+8|?

655-705 (Hard) | Absolute Values

655-705 (Hard) | Absolute Values hide tags

chetan2u

14 Jan 2017, 07:51

6

2

2,001

by: Kurtosis

14 Jan 2017, 10:36

ER

Is k positive? (1) k^5 > 0 (2) -3k < 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

HKD1710

14 Jan 2017, 08:55

2

1,910

by: AkshdeepS

14 Jan 2017, 10:34

ER

How many positive integer factors does k have?

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

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

HKD1710

14 Jan 2017, 07:05

1

2,526

by: Bunuel

14 Jan 2017, 09:53

ER

What is the value of a/3-b/3

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

HKD1710

14 Jan 2017, 09:51

1

1,896

by: Bunuel

14 Jan 2017, 09:50

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

1,981

by: stonecold

14 Jan 2017, 04:44

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

1,994

by: JanGMAC

13 Jan 2017, 00:28

ER

Following are the vertexes of a triangle, (0,0), (0,a) and (a,b). What

Poor Quality

Poor Quality hide tags

sukeshap

14 Jan 2017, 20:15

1

1,171

by: chetan2u

12 Jan 2017, 20:26

ER

Is xy > 25 ? (1) x < –5 and y < –5 (2) 2xy > 60

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

12 Jan 2017, 07:03

1

2

1,532

by: tanmeet

12 Jan 2017, 07:40

ER

Is the range of the integers 2, 3, 5, a, and b greater than 8?

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

07 Jan 2017, 03:45

2

2,240

by: louwi

11 Jan 2017, 20:48