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

79,061

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,725

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

488,274

by: bb

29 Aug 2025, 13:27

ER

The Department of Environmental Protection measured the volume of wate

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

09 Feb 2017, 10:46

23

5

4,715

by: GMATBusters

02 Sep 2024, 02:36

ER

If ABCE is a rectangle, is the area of AED greater than the area of

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

02 Aug 2018, 01:03

3

4,715

by: bumpbot

21 Nov 2022, 04:09

ER

What is the measure of angle YQZ in the figure?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

WoundedTiger

14 Oct 2014, 15:01

7

3

4,715

by: bumpbot

19 Jun 2018, 16:24

ER

If x + y = 7, what is the value of xy(x – y)?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

10 Oct 2017, 00:36

11

7

4,714

by: chetan2u

23 May 2023, 10:42

ER

A box contains 30 beads, of which 15 are blue, 9 are red

Sub 505 (Easy) | Arithmetic, Word Problems

Sub 505 (Easy) | Arithmetic, Word Problems hide tags

enigma123

19 Mar 2012, 13:24

5

3

4,714

by: Bhawanshu

06 Nov 2019, 12:15

ER

In the XY-plane, the line l passes through the origin and the point (m

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Bunuel

12 Nov 2018, 00:24

12

3

4,709

by: bumpbot

07 Jul 2024, 03:03

ER

If xy 0, is x/y < 0?

Poor Quality

Poor Quality hide tags

janani28

06 Oct 2014, 09:35

1

3

4,709

by: Carcass

31 Oct 2018, 11:44

ER

Did John go to the beach yesterday? (1) If John goes to the beach, he

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

16 Oct 2017, 01:44

6

7

4,707

by: bumpbot

20 Sep 2025, 04:48

ER

Working together at their respective rates, machine A, B, and C can fi

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

Bunuel

02 Jan 2021, 11:11

8

3

4,707

by: bumpbot

11 Jul 2022, 12:41

ER

12 Days of Christmas GMAT Competition - Day 10: A certain electronics

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

1, 2, 3

Bunuel

27 Dec 2024, 09:00

64

51

4,706

by: finisher009

21 Jul 2025, 02:03

ER

A company had 1000 employees at the beginning of the year 2011. If p p

705-805 (Hard) | Percent and Interest Problems, Word Problems

705-805 (Hard) | Percent and Interest Problems, Word Problems hide tags

mangamma

18 Jun 2019, 09:24

12

5

4,706

by: bumpbot

20 Jun 2023, 03:09

ER

When there are consecutive integers and if their range is equal to the

705-805 (Hard) | Statistics and Sets Problems

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

MathRevolution

29 Feb 2016, 20:39

20

6

4,702

by: pappal

18 Mar 2026, 14:00

ER

GMAT Club Around The World!!! A journalist is writing an article on th

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

Bunuel

31 Dec 2020, 20:30

15

10

4,702

by: AdityaBontha

21 Feb 2026, 05:16

ER

Around the World in 80 Questions (Day 3): If x and y are consecutive

805+ (Hard) | Exponents, Remainders

805+ (Hard) | Exponents, Remainders hide tags

Bunuel

19 Jul 2023, 08:00

48

7

4,702

by: bumpbot

12 Nov 2024, 08:57

ER

A, B, P, and Q are four positive numbers. Does AQ = BP?

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

26 Feb 2015, 06:55

40

6

4,702

by: bumpbot

04 Dec 2022, 00:59

ER

If 3w + 2y = x, then what is the value of y?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

03 Mar 2020, 03:49

4

2

4,702

by: bumpbot

25 Dec 2021, 03:10

ER

Line P and Q intersect at a point (2,-5), is the slope of line P is

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

Bunuel

08 Dec 2021, 06:00

12

11

4,701

by: bumpbot

19 Oct 2024, 03:20

ER

Is x = 1?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

19 Jun 2015, 01:55

6

5

4,701

by: Bunuel

22 Jun 2015, 06:22

ER

Does the average of a, b, and c equal c ? (1) c - a = c + b (2) c = 0

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

08 Nov 2019, 03:56

9

3

4,700

by: bumpbot

31 Dec 2024, 22:30

ER

If <<n>> denotes the least positive integer multiple of 4 that is grea

655-705 (Hard) | Functions and Custom Characters

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

franteraoka

21 Jul 2018, 00:19

19

10

4,699

by: bumpbot

17 Jan 2026, 22:27

ER

The sequence a1, a2, a3, ..., an, ... is such that an=1/n^21/(n1)^2

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

Bunuel

21 Aug 2022, 02:17

15

4

4,697

by: bumpbot

22 Jun 2024, 07:50

ER

Two different teams, X and Y, which have no members in

555-605 (Medium) | Statistics and Sets Problems

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

rxs0005

22 Mar 2011, 06:55

10

7

4,697

by: bumpbot

08 Nov 2023, 01:19

ER

What is the value of x^4y^2 - x^4y^2 ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

24 Mar 2015, 04:48

5

8

4,695

by: fskilnik

22 Oct 2018, 12:42

ER

The integers a, b, c, and d can each be equal to 0, 1, 2, or 3, indepe

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

24 Apr 2015, 03:07

25

6

4,693

by: bumpbot

26 Nov 2024, 17:41

ER

One-sixth of the orders placed at a take-out restaurant on Friday nigh

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

05 Oct 2021, 01:30

19

9

4,693

by: jyothis321

24 Aug 2024, 08:39

ER

What was the standard deviation of Company R's earnings per month for

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

10 Feb 2020, 05:18

9

3

4,693

by: bumpbot

22 Jan 2022, 10:06

ER

What is the slope of line l that does not pass through the origin?

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

TheUltimateWinner

02 Aug 2020, 09:24

8

7

4,693

by: IanStewart

10 Aug 2020, 09:54

ER

A, B, and C are three points on the line shown in the figure. In the

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

19 Jul 2019, 01:03

10

8

4,692

by: bumpbot

10 Mar 2023, 03:29

ER

If the two horizontal lines in the figure provided are parallel, what

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

11 Sep 2015, 02:23

12

13

4,691

by: bumpbot

14 Aug 2020, 21:21

ER

Is c equal to the median of the 3 positive integers a, b, c

555-605 (Medium) | Statistics and Sets Problems

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

rxs0005

14 Jan 2011, 16:25

3

8

4,691

by: bumpbot

23 Aug 2016, 04:06

ER

The average of 6 numbers is 8. One new number is now added

505-555 (Easy) | Statistics and Sets Problems

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

EgmatQuantExpert

14 Sep 2024, 03:07

9

6

4,690

by: bumpbot

14 Sep 2024, 02:50

ER

Is x greater than zero?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

29 Oct 2017, 01:44

3

4,689

by: bumpbot

05 Nov 2022, 04:30

ER

How many books did the author write?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

GMATBusters

31 Oct 2018, 09:52

1

3

4,689

by: Yogananda

19 Feb 2022, 09:16

ER

A box contains exactly 40 bottles, each of which contains only one of

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

guddo

30 May 2024, 12:22

6

3

4,688

by: Shivang29

14 Feb 2025, 20:12

ER

In the diagram below, what is the length of RS?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

17 Jul 2017, 23:25

13

9

4,688

by: bumpbot

16 Jun 2023, 14:11

ER

Set A consists of five consecutive positive integers. Set B consists

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

06 Apr 2022, 03:30

19

5

4,687

by: bumpbot

31 Dec 2025, 06:46

ER

m/n = 1/2 , what is the value of m + n ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

rxs0005

17 Dec 2010, 11:24

2

5

4,685

by: MBAHOUSE

27 Jun 2022, 09:41

ER

Is v - w > x - y? (1) v > x and w < y (2) w < v and x < y

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

04 Nov 2019, 02:30

10

4

4,684

by: bumpbot

26 Oct 2025, 07:55

ER

If Q and T are integers, what is the value of Q?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

23 Jun 2016, 02:04

15

6

4,683

by: deepak.brijendra

10 Jan 2024, 03:58

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

4,683

by: bumpbot

16 Oct 2016, 18:14

ER

If x y = 4, is x < 2?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

banksy

14 Feb 2011, 15:49

10

3

4,680

by: bumpbot

17 Feb 2024, 07:10

ER

If x = 2y , what is the value of xy?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

adkikani

20 Nov 2018, 09:18

2

5

4,679

by: kungfury42

24 Feb 2022, 11:34

ER

Is the perimeter of rectangle R greater than 28?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

17 Apr 2020, 03:09

26

9

4,679

by: bumpbot

11 Sep 2021, 04:28

ER

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

805+ (Hard) | Algebra +2 tags

805+ (Hard) | Algebra, Exponents, Inequalities hide tags

Prajat

10 Sep 2015, 15:00

20

7

4,677

by: bumpbot

11 Oct 2023, 13:17

ER

A box has 10 balls, either red or blue. If two balls are to be drawn s

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

siddharthkapoor

05 Sep 2020, 22:24

13

6

4,676

by: Bunuel

14 Apr 2026, 03:20

ER

If 1@1 = 1, is −2@−2 = 1 ? (1) 1@-1 = 1 (2) 0@0 = 0

655-705 (Hard) | Functions and Custom Characters

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

Bunuel

06 Apr 2020, 04:04

23

7

4,676

by: bumpbot

19 Sep 2025, 08:44

ER

12 Days of Christmas GMAT Competition - Day 1: If the data set P

705-805 (Hard) | Number Properties, Statistics and Sets Problems

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

Bunuel

11 Dec 2023, 07:00

20

7

4,675

by: bumpbot

18 Dec 2024, 05:31

ER

If k is a positive integer, is k divisible by 12?

Sub 505 (Easy) | Multiples and Factors

Sub 505 (Easy) | Multiples and Factors hide tags

Bunuel

05 Feb 2021, 10:27

3

4,675

by: ArindamLucky

08 Feb 2021, 12:48

ER

If a contestant on a radio show answers a question correctly

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

AnkurGMAT20

30 Aug 2024, 09:58

12

2

4,674

by: bumpbot

03 Nov 2025, 13:22

ER

If b is prime and the symbol # represents one of the following operati

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

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

Bunuel

26 Jun 2015, 02:13

8

5

4,673

by: bumpbot

14 Jan 2025, 07:51