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

79,738

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

488,682

by: bb

29 Aug 2025, 13:27

ER

If x is greater than 7, is y less than x?

605-655 (Medium) | Inequalities, Number Properties

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

audiogal101

26 Nov 2013, 02:10

2

3

3,463

by: bumpbot

11 Oct 2016, 23:42

ER

The figure above shows the shape of a flowerbed. If arcs WZ

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Asifpirlo

22 Aug 2013, 03:09

1

3

4,692

by: bumpbot

16 Oct 2016, 18:14

ER

How many years old will Fred be y years from now?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

29 Sep 2015, 21:25

6

3

5,417

by: abhimahna

23 Oct 2016, 00:53

ER

Is 2^n + 3^n divisible by 5?

705-805 (Hard) | Exponents, Multiples and Factors

705-805 (Hard) | Exponents, Multiples and Factors hide tags

nalinnair

28 May 2016, 05:31

6

3

3,863

by: mvictor

01 Nov 2016, 07:08

ER

If the number x is obtained by reversing the order of the digits in th

505-555 (Easy) | Fractions and Ratios, Number Properties

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

Bunuel

02 Nov 2016, 02:53

3

1,896

by: GSBae

03 Nov 2016, 01:31

ER

Is b = 6? (1) 9b is not an even integer. (2) 4b is not an even intege

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

02 Nov 2016, 02:50

3

1,323

by: GSBae

03 Nov 2016, 01:36

ER

For any increase in x, the value of y decreases by double the value..

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

souvonik2k

22 Nov 2016, 08:27

1

3

3,502

by: GMATinsight

06 Nov 2016, 05:33

ER

261,634,24x If x represents the units digit of the number above, what

605-655 (Medium) | Multiples and Factors

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

Bunuel

02 Jun 2016, 11:59

4

3

3,052

by: stonecold

19 Nov 2016, 02:31

ER

If x > 1 is (x+y)(x-y) an even integer?

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Harley1980

08 Apr 2015, 00:33

13

3

2,800

by: stonecold

21 Nov 2016, 06:30

ER

What is the value a^3 - b^3?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

25 Oct 2016, 23:03

7

3

2,976

by: mvictor

29 Nov 2016, 13:30

ER

If a is a number less than zero and b is a number greater than zero,

555-605 (Medium) | Algebra, Exponents

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

Bunuel

08 Dec 2016, 14:06

2

3

5,735

by: RR88

09 Dec 2016, 00:45

ER

If g is a prime number, is g – 2 a prime number?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

08 Dec 2016, 14:05

3

1,686

by: prashantrchawla

09 Dec 2016, 01:53

ER

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

555-605 (Medium) | Multiples and Factors

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

Bunuel

08 Dec 2016, 14:00

3

1,554

by: Shiv2016

12 Dec 2016, 04:47

ER

If a and b are integers greater than 0, is a even?

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

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

Bunuel

13 Dec 2016, 11:11

2

3

2,027

by: atshy21saraf

14 Dec 2016, 04:28

ER

If w < x < y < z, is wxyz > 0? (1) wz > 0 (2) xy > 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

19 Dec 2016, 05:26

3

3,729

by: shashank1tripathi

25 Dec 2016, 00:09

ER

If n is not negative, is n integer?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

25 Dec 2016, 02:29

3

1,910

by: Mo2men

26 Dec 2016, 02:38

ER

If m and n are integers, are they consecutive numbers?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

27 Dec 2016, 08:56

1

3

2,834

by: rohit8865

27 Dec 2016, 11:31

ER

If x and y are prime numbers, what is the smallest prime factor of xy

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

MathRevolution

15 Dec 2016, 01:17

1

3

1,916

by: Alexey1989x

27 Dec 2016, 23:37

ER

What is the value of a^2b^2? (A) 2a + b = 12 (B) 3a + 3b = 27

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

07 Jan 2017, 03:46

3

4,639

by: Sumitj2016

09 Jan 2017, 03:10

ER

If z is a positive number, is r^2 + z > z^2 + r ?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

27 Dec 2016, 08:57

1

3

1,786

by: Bunuel

09 Jan 2017, 09:59

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

2,368

by: MathRevolution

27 Jan 2017, 04:17

ER

If xy > 6, is x > 1?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

27 Jan 2017, 09:37

3

1,584

by: AMahmoodi

28 Jan 2017, 14:53

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

1,511

by: rishit1080

03 Feb 2017, 20:41

ER

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

Poor Quality

Poor Quality hide tags

kuralaysn

13 Feb 2017, 00:43

2

3

2,648

by: Bunuel

13 Feb 2017, 02:23

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

5,178

by: JeffTargetTestPrep

16 Feb 2017, 12:21

ER

Is xy < 18 ? (1) x + y < 6 (2) x > 0 and y > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

27 Feb 2017, 04:31

1

3

1,817

by: akhiparth

05 Mar 2017, 08:35

ER

If the average (arithmetic mean) of set A is 10,000 and the average (a

555-605 (Medium) | Statistics and Sets Problems

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

MathRevolution

08 Mar 2017, 01:13

2

3

2,357

by: MathRevolution

10 Mar 2017, 03:11

ER

Find the length of the rectangle?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

vikasp99

14 Mar 2017, 08:55

1

3

1,691

by: KrishnakumarKA1

15 Mar 2017, 02:42

ER

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

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

17 Aug 2016, 01:52

1

3

2,704

by: KrishnakumarKA1

15 Mar 2017, 02:47

ER

In triangle ABC, what is the length of AB?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

11 Aug 2016, 06:52

3

6,775

by: KrishnakumarKA1

15 Mar 2017, 02:55

ER

In the rectangular solid above, if each dimension of the solid is an

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

EgmatQuantExpert

03 Jun 2019, 01:08

14

3

3,324

by: EgmatQuantExpert

19 Mar 2017, 06:45

ER

What is the area of a rectangular field?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

31 Jan 2016, 07:23

1

3

6,126

by: bumpbot

21 Mar 2017, 10:10

Tom started a company with 5 of his friends from the college. They mad

655-705 (Hard) | Statistics and Sets Problems

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

BillyZ

28 Mar 2017, 15:48

2

3

2,737

by: BillyZ

29 Mar 2017, 22:11

ER

Is a positive?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

09 Mar 2016, 12:51

3

3,474

by: Mo2men

30 Mar 2017, 04:56

ER

If Y is an integer, is Y/4 an integer?

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

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

Bunuel

04 Apr 2017, 05:46

2

3

1,859

by: matthewsmith_89

05 Apr 2017, 09:29

ER

If 1.8x + 2.7y = 12.6, what is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

04 Apr 2017, 00:22

3

1,674

by: shekyonline

05 Apr 2017, 09:47

ER

In the diagram above each of the letters represents one of the digits

605-655 (Medium) | Arithmetic

605-655 (Medium) | Arithmetic hide tags

Bunuel

06 Apr 2017, 01:46

2

3

3,085

by: Kurtosis

06 Apr 2017, 20:02

ER

What percent of x is y?

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

Bunuel

27 Apr 2017, 02:41

2

3

3,151

by: niks18

27 Apr 2017, 07:31

ER

At least one of x, y, and z is 1?

Poor Quality

Poor Quality hide tags

MathRevolution

27 Apr 2017, 01:50

1

3

1,767

by: MathRevolution

30 Apr 2017, 18:07

Is x < 1?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

ganand

06 May 2017, 05:09

2

3

2,306

by: WiziusCareers1

06 May 2017, 05:52

ER

Is the slope of Line L positive?

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

GMATinsight

23 Jul 2015, 07:03

6

3

3,435

by: bumpbot

06 May 2017, 06:53

ER

Is the average (arithmetic mean) of a, b, and c greater than 12?

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

03 May 2017, 04:43

2

3

2,103

by: er.arun88

06 May 2017, 10:44

ER

What is the remainder when x is divided by 9?

Poor Quality

Poor Quality hide tags

papagorgio

19 May 2017, 08:02

4

3

3,082

by: papagorgio

19 May 2017, 08:02

ER

If x, y ≠ 0, is x/y an integer?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

19 May 2017, 12:41

3

9,419

by: susheelh

20 May 2017, 04:18

ER

Is the sum of x, y, and z equal to 3?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

21 May 2017, 04:36

3

2,949

by: Mo2men

21 May 2017, 23:51

ER

If n is an integer, is n + 3 even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

GMATwizApp

27 May 2017, 06:08

1

3

2,135

by: amanvermagmat

27 May 2017, 11:11

ER

If -25 < j < 25, is j > 0 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Sajjad1994

27 May 2017, 08:59

2

3

2,181

by: Heseraj

27 May 2017, 19:34

ER

Is –x – y > –u – v ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

28 May 2017, 02:04

3

1,712

by: utkarshthapak

29 May 2017, 02:47

ER

x, y, and z are numbers that have a sum of 93. Find the numbers. 1. Th

Poor Quality

Poor Quality hide tags

Sajjad1994

10 Apr 2017, 12:19

3

1,780

by: varun4s

30 May 2017, 00:20

ER

How many distinct Prime Factors does a^b^c has 1) a^b has three disti

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

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

GMATinsight

30 May 2017, 05:41

5

3

2,557

by: Bunuel

31 May 2017, 01:32