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

176

15

78,674

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,498

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

487,895

by: bb

29 Aug 2025, 13:27

ER

Is a^3-b^2>0?

705-805 (Hard) | Absolute Values, Inequalities

705-805 (Hard) | Absolute Values, Inequalities hide tags

rajarshee

07 May 2017, 02:34

17

5

3,026

by: exc4libur

09 Jun 2020, 05:26

ER

For non-zero integer x, Is x > 5/8? (1) x^2 < 2.25 (2) |x|/x < 1

605-655 (Medium) | Absolute Values, Inequalities

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

GMATinsight

09 Jun 2020, 03:39

4

1

1,300

by: Chethan92

09 Jun 2020, 07:31

ER

Does the positive integer M have greater than 4 factors?

555-605 (Medium) | Multiples and Factors

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

Bunuel

09 Jun 2020, 06:03

1

3

1,500

by: Archit3110

09 Jun 2020, 09:30

ER

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

29 Aug 2019, 06:46

4

1,817

by: Nikhil40

09 Jun 2020, 09:53

What is the value of X?

555-605 (Medium) | Algebra, Arithmetic

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

fitzpratik

18 Jan 2019, 08:59

8

5

2,452

by: bumpbot

09 Jun 2020, 16:06

ER

Did the XYZ Corporation have higher sales in 1988 or in 1989? Assume

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

17 Oct 2017, 08:16

3

5,894

by: bumpbot

11 Jun 2020, 04:53

ER

The pentagon ABCDE is inscribed in a circle with center O. How many de

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

29 Oct 2017, 02:01

1

5

9,441

by: bumpbot

11 Jun 2020, 20:18

ER

In a sequence of 10 consecutive integers, what is the average of all n

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niteshwaghray

20 Feb 2018, 09:25

7

4

2,739

by: Kritisood

13 Jun 2020, 02:17

ER

What is the value of j if h is k% of j?

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Bunuel

22 Jan 2016, 10:30

4

3

2,496

by: bumpbot

13 Jun 2020, 04:57

ER

In the diagram above, what is the value of v?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

10 Jun 2020, 05:05

10

14

3,254

by: dimri10

14 Jun 2020, 02:24

ER

What is the area of the floor of rectangular room 10B ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

23 May 2020, 07:01

4

3,080

by: dimri10

14 Jun 2020, 02:46

Is x – y ≥ 5 ? (1) x ≥ 9 (2) y ≤ 4

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

14 Jun 2020, 10:12

7

1,398

by: chetan2u

14 Jun 2020, 23:19

ER

In the xy plane, is the slope of the line segment QR positive? (1) T

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

Bunuel

06 May 2020, 03:05

8

3

3,276

by: AabhishekGrover

15 Jun 2020, 03:12

ER

A certain salad dressing made only of oil and vinegar is premixed and

Sub 505 (Easy) | Mixture Problems

Sub 505 (Easy) | Mixture Problems hide tags

Bunuel

26 Jul 2016, 09:49

3

5

5,505

by: puneet1997

15 Jun 2020, 08:59

ER

In Teetown 50 percent of the people have blue eyes and blond hair.

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

29 Oct 2017, 02:00

4

4,810

by: D4kshGargas

15 Jun 2020, 20:21

ER

If equation of a line L is y = mx+c then find c? 1) Line L does NOT pa

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

GMATinsight

15 Jun 2020, 22:44

1

2

1,504

by: Archit3110

16 Jun 2020, 06:29

ER

In a party with more than 3 children, the average age (arithmetic mean

605-655 (Medium) | Statistics and Sets Problems, Word Problems

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

Bunuel

16 Jun 2020, 02:19

16

9

4,525

by: monikakumar

16 Jun 2020, 21:30

ER

How many buses are required to transport 175 students to the museum?

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Sajjad1994

15 Jun 2020, 23:40

3

2,244

by: mSKR

17 Jun 2020, 00:43

ER

If b > a > 0, then a is what percent of b?

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Bunuel

31 Aug 2016, 05:38

5

2

2,134

by: bumpbot

17 Jun 2020, 05:13

ER

If xy < 5, is x < 1 ? (1) | y | > 5 (2) x / y > 0

655-705 (Hard) | Absolute Values, Inequalities

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

rxs0005

07 Feb 2012, 16:36

21

5

6,406

by: chetan2u

17 Jun 2020, 09:26

ER

If a and b are positive integers, is a/b an integer?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

17 Jun 2020, 06:49

2

5

2,096

by: GMATinsight

17 Jun 2020, 21:54

ER

Abraham is a member of the Board of Directors for a certain company..

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

asterias

16 Jun 2020, 11:16

3

2

2,464

by: mSKR

18 Jun 2020, 07:19

ER

If x is a non-zero integer, Find x=? (1) x^2 < 2.25 (2) |x|/x < 1

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

GMATinsight

18 Jun 2020, 08:05

2

1,180

by: hiranmay

18 Jun 2020, 08:49

ER

At a hydroelectric plant, each worker is working either during shift A

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

18 Jun 2020, 09:35

1

1,865

by: yashikaaggarwal

18 Jun 2020, 12:29

Determine the volume of a cuboids.

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

UB001

15 Jan 2019, 08:18

4

2

2,992

by: bumpbot

18 Jun 2020, 20:38

ER

If K is a sequence of n consecutive integers, then what is the value

655-705 (Hard) | Number Properties, Statistics and Sets Problems

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

Bunuel

18 Jun 2020, 08:31

4

3

2,916

by: mSKR

19 Jun 2020, 05:00

ER

If p is a positive number, is p > 4 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

20 Jun 2020, 04:43

3

2

1,819

by: chetan2u

20 Jun 2020, 05:03

ER

A bag contains black and white marbles. How many white marbles are the

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

Bunuel

24 Jul 2015, 00:57

5

7

8,855

by: bumpbot

20 Jun 2020, 05:43

Is xy < 0? (1) |x| +|y| > |x + y| (2) |x+3| < |y – 3| < 2

605-655 (Medium) | Absolute Values, Inequalities

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

Kritisood

21 Jun 2020, 08:00

4

3

1,639

by: Kinshook

21 Jun 2020, 10:39

ER

What is the value of x?

655-705 (Hard) | Absolute Values, Number Properties

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

chetan2u

20 Jun 2020, 22:57

10

6

1,768

by: harshbirajdar

21 Jun 2020, 19:20

ER

if a and b are distinct prime numbers, Find the remainder when a+b is

655-705 (Hard) | Multiples and Factors, Number Properties

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

GMATinsight

12 May 2020, 06:26

1

9

7,823

by: sampad

21 Jun 2020, 21:05

ER

Is |x| > |y| ? (1) x - y > 0 (2) y > 0

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

chetan2u

22 Jun 2020, 00:32

5

4

1,435

by: GMATinsight

22 Jun 2020, 01:49

ER

What was the amount of money awarded to the recipient of a

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

megafan

12 Feb 2013, 10:27

13

5

4,521

by: Prasannak

22 Jun 2020, 04:47

ER

What is the length of diameter PR in the circle shown above?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

13 Sep 2018, 02:33

11

5

2,792

by: TestPrepUnlimited

22 Jun 2020, 11:09

ER

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

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

09 Mar 2020, 05:44

1

2

2,892

by: BrentGMATPrepNow

22 Jun 2020, 12:05

ER

How many numbers of this sequence of 342 numbers are odd?

505-555 (Easy) | Sequences

505-555 (Easy) | Sequences hide tags

Asifpirlo

10 Aug 2013, 12:30

5

6

3,613

by: bumpbot

23 Jun 2020, 09:48

ER

If x is a non-zero number, find x? (1) 2|x| = 2x^2 (2) x|x| = 2^x

655-705 (Hard) | Absolute Values, Number Properties

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

GMATinsight

23 Jun 2020, 23:51

7

6

1,645

by: Archit3110

23 Jun 2020, 22:55

ER

The X boys and Y girls in a certain class took a math test.

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

fozzzy

17 Sep 2013, 01:59

3

4

3,958

by: bumpbot

24 Jun 2020, 06:55

ER

If n is an integer between 3 and 9, what is the value of n ? (1) On t

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

15 Jan 2020, 02:25

2

5,402

by: BrentGMATPrepNow

24 Jun 2020, 09:45

What is the value of z/x? (1) 2x – y + 3z = 5 (2) x + 2y – z = -10

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Russ19

24 Jun 2020, 09:12

4

5

2,125

by: Papist

24 Jun 2020, 11:02

Integer y divides into integer x 6 times with some remainder, r

655-705 (Hard) | Multiples and Factors

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

Abhi077

09 Nov 2018, 03:54

8

2

2,628

by: Papist

24 Jun 2020, 11:45

ER

Is x + y > 0 (1) x/y > -1 (2) y > -x

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Russ19

22 Jun 2020, 00:14

6

5

1,616

by: rcgard

24 Jun 2020, 13:11

ER

In the figure shown, what is the value of z?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

21 Mar 2018, 05:09

4

6

2,903

by: Papist

24 Jun 2020, 15:25

ER

If bin A contains exactly twice as many potatoes as bin B, and if bin

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Sajjad1994

24 Jun 2020, 05:16

1

3

1,111

by: Lipun

24 Jun 2020, 20:27

The average of 6 distinct single-digit positive integers in a set is 4

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

ajaygaur319

22 Jun 2020, 04:51

4

6

3,170

by: kimshi78

25 Jun 2020, 04:01

ER

Amari, Belen, and Chiaki all make purchases from the same vendor at an

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

21 Mar 2018, 05:43

3

7

1,874

by: Papist

25 Jun 2020, 10:15

ER

If abcd ≠ 0, 0 < c < b < a < 1, is it true that a^4bc/d^2 < 1?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Sajjad1994

24 Jun 2020, 05:30

2

4

1,372

by: Papist

25 Jun 2020, 12:05

ER

is m/n greater than 1 ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

GMATBusters

04 Apr 2020, 01:39

7

10

2,558

by: Papist

25 Jun 2020, 12:11

ER

If xy0, is |x|>|y|

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MathRevolution

19 Jan 2018, 01:17

2

10

3,170

by: Bunuel

26 Jun 2020, 07:44

ER

What is the value of 6y + 2x^2 ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

01 Nov 2015, 09:26

1

7

3,134

by: bumpbot

26 Jun 2020, 10:10