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

79,916

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

189,029

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

488,752

by: bb

29 Aug 2025, 13:27

ER

What is the surface area of rectangular solid y? (1) The dimensions of

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

12 May 2021, 02:30

7

5

5,362

by: bumpbot

20 Jun 2022, 10:10

ER

What is the value of y?

505-555 (Easy) | Roots

505-555 (Easy) | Roots hide tags

BrentGMATPrepNow

01 Nov 2021, 15:09

6

5

2,735

by: BrentGMATPrepNow

22 Jun 2022, 18:14

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

4,697

by: MBAHOUSE

27 Jun 2022, 09:41

ER

Is a triangle with angles x, y and z isosceles?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

pratikshr

01 Aug 2014, 07:34

8

5

4,180

by: yuvrajmehra

03 Jul 2022, 05:52

ER

On the xy-plane, what is the area of a right triangle, one side of whi

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

Bunuel

25 May 2022, 06:00

1

5

2,035

by: RedViburnum

10 Jul 2022, 01:04

ER

Triangle RST lies in the xy-plane. Point R has coordinates (a,b), poin

805+ (Hard) | Coordinate Plane

805+ (Hard) | Coordinate Plane hide tags

Bunuel

27 Aug 2015, 01:38

32

5

5,479

by: bumpbot

11 Jul 2022, 00:05

ER

If |x - 3| - |x - 4| = |x - 6|, what is the value of x?

605-655 (Medium) | Absolute Values

605-655 (Medium) | Absolute Values hide tags

aarish2102

12 Jul 2022, 09:07

9

5

2,363

by: AndrewN

12 Jul 2022, 09:11

ER

If a, b, and c are positive, is a > b?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

13 Oct 2020, 00:15

8

5

4,268

by: bumpbot

15 Jul 2022, 04:06

ER

A and B are integers, is (0.5)^(AB) > 1?

705-805 (Hard) | Algebra, Exponents

705-805 (Hard) | Algebra, Exponents hide tags

daviesj

17 Feb 2013, 20:58

14

5

4,988

by: bumpbot

15 Jul 2022, 05:05

ER

In the equation ax^2 + bx + c = 0, where a, b and c are constants and

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

gmat1393

02 Feb 2019, 00:45

16

5

6,406

by: bumpbot

26 Jul 2022, 18:51

ER

Three circles with radii of 1, 2, and 3, lie on the same plane. Do any

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

29 Jul 2015, 15:42

31

5

7,151

by: bumpbot

02 Aug 2022, 07:49

ER

If two circles overlap each other, what is the area of that overlap?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

24 Mar 2020, 07:05

15

5

4,366

by: bumpbot

02 Aug 2022, 12:11

ER

If x and y are consecutive even integers, is x > y ?

555-605 (Medium) | Inequalities, Number Properties

555-605 (Medium) | Inequalities, Number Properties hide tags

Bunuel

30 Dec 2020, 10:46

4

5

3,465

by: bumpbot

03 Aug 2022, 02:47

ER

Is BG > EC?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

05 Feb 2015, 09:09

14

5

5,691

by: bumpbot

03 Aug 2022, 23:59

ER

The figure shows the path of a circular racetrack. What is the length

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

12 Jul 2019, 02:17

2

5

1,735

by: bumpbot

06 Aug 2022, 17:02

ER

What is the remainder when integer n is divided by two?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

10 Jan 2017, 04:04

3

5

2,894

by: bumpbot

07 Aug 2022, 03:25

ER

If a and b are both positive integers greater than 1 and a^b = a^(11b)

655-705 (Hard) | Absolute Values, Exponents

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

Bunuel

17 Jan 2020, 02:18

10

5

4,073

by: bumpbot

10 Aug 2022, 10:03

ER

A man's total travel expense over 3 days was $42. What was his median

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

25 Nov 2019, 02:59

5

2,626

by: bumpbot

12 Aug 2022, 09:55

ER

If d is a positive integer, is d^(1/2) greater than 15?

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

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

Bunuel

02 Jun 2016, 11:42

18

5

8,393

by: bumpbot

12 Aug 2022, 23:27

ER

In the figure, ABCDEF is a regular hexagon with side 1cm. What is the

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

03 Aug 2020, 02:27

30

5

10,569

by: bumpbot

16 Aug 2022, 18:14

ER

ABCDEF is a regular hexagon with its vertices as A, B, C, D, E , F in

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

amanvermagmat

13 Jul 2018, 10:54

7

5

6,783

by: bumpbot

16 Aug 2022, 18:16

Two circles C1 and C2 have centres as O1 and O2 respectively, and the

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

amanvermagmat

08 Jan 2019, 22:53

3

5

3,644

by: bumpbot

17 Aug 2022, 11:38

ER

Tank A and Tank B are hollow rectangular solids. Tank A is empty and T

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

14 Mar 2018, 02:24

12

5

3,541

by: bumpbot

18 Aug 2022, 03:53

ER

A company's profit was $600,000 in 1980. What was its profit in 1981?

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

10 Aug 2022, 09:30

5

1,655

by: $!vakumar.m

19 Aug 2022, 10:42

ER

The students in two classes of "Underachiever" high school took a test

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

24 Jun 2021, 01:30

4

5

2,595

by: bumpbot

21 Aug 2022, 17:24

ER

In the XY-plane, are the points with their coordinates (a, b) and (c,

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

Bunuel

07 Nov 2018, 02:08

13

5

3,655

by: Anisank7

27 Aug 2022, 19:13

ER

Does ay = –5 – by? (1) a = b (2) a + b = y

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

05 Sep 2017, 23:26

2

5

2,170

by: bumpbot

30 Aug 2022, 09:17

ER

If y ≠ z, is ((x − y) + (z − y)(/(z − y) = 2 ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

TheUltimateWinner

18 Jun 2020, 10:20

8

5

2,329

by: mageauler

06 Sep 2022, 04:08

ER

If (x1, y1), (x2, y2) and (x3, y3) are three vertices of a triangle AB

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

Bunuel

15 Feb 2021, 10:06

7

5

4,524

by: Resily

07 Sep 2022, 10:43

ER

In a class, 20 students speak Spanish, 15 speak French, and 15 speak

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

10 May 2020, 12:05

7

5

10,021

by: bumpbot

11 Sep 2022, 04:59

ER

Is the sum of a certain pair of integers odd?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Carcass

15 Sep 2022, 02:44

7

5

1,565

by: av1901

15 Sep 2022, 09:35

ER

If z denotes the tenths digit in the decimal representation of the tim

805+ (Hard) | Distance and Speed Problems, Number Properties

805+ (Hard) | Distance and Speed Problems, Number Properties hide tags

Bunuel

26 May 2020, 02:27

28

5

4,453

by: bumpbot

15 Sep 2022, 12:29

ER

How far is it from town A to town B? Town C is 12 miles east of town A

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

24 Oct 2017, 23:50

3

5

11,064

by: bumpbot

16 Sep 2022, 23:13

ER

In the XY-plane, lines L and K are parallel. If the Y-intercept of lin

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

12 Nov 2018, 00:13

6

5

4,355

by: bumpbot

17 Sep 2022, 08:46

ER

If x ≠ y, is x = 0? (1) xy = x^2 (2) y ≠ 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

27 Sep 2018, 05:53

3

5

2,269

by: bumpbot

17 Sep 2022, 13:34

ER

A certain car travels 18 miles per gallon of gas on city streets and 3

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

07 Feb 2020, 06:22

8

5

3,467

by: HC1993

18 Sep 2022, 04:00

ER

A number B is formed by reversing the two digit number A. Wh

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

surendar26

20 Dec 2010, 10:08

17

5

7,824

by: bumpbot

18 Sep 2022, 19:53

ER

If the average (arithmetic mean) of six different numbers is 25, how m

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

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

Bunuel

12 Nov 2014, 09:48

19

5

11,939

by: bumpbot

22 Sep 2022, 13:27

ER

If the ratio of cupcakes to cakes to peanut butter balls in

505-555 (Easy) | Fractions and Ratios

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

MelanieMa

11 Mar 2014, 17:47

6

5

5,737

by: siddharth30

06 Oct 2022, 15:46

ER

What is the value of x? (1) |x| = 3 (2) x = |3|

505-555 (Easy) | Absolute Values

505-555 (Easy) | Absolute Values hide tags

Bunuel

01 Dec 2016, 02:01

10

5

4,052

by: BrushMyQuant

07 Oct 2022, 10:58

ER

If x, y, and z are negative numbers such that z = 40x + 80y and x + y

705-805 (Hard) | Algebra, Inequalities

705-805 (Hard) | Algebra, Inequalities hide tags

Bunuel

07 May 2015, 03:37

15

5

4,664

by: bumpbot

08 Oct 2022, 04:34

ER

Is the total profit from the sales of 3 products greater than $6? 1) T

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

MathRevolution

16 Aug 2017, 02:40

2

5

2,242

by: shivam10

14 Oct 2022, 23:03

ER

A hiker in a national forest stopped at a ranger station to add water

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

31 Aug 2016, 05:37

13

5

5,358

by: bumpbot

16 Oct 2022, 00:54

ER

What is the volume of the right circular cylinder X ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

GMATinsight

22 Apr 2020, 00:37

15

5

10,678

by: bumpbot

18 Oct 2022, 06:21

Pipes X and Y are inlet pipes attached to a tank, and these pipes fill

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

amanvermagmat

09 Jun 2018, 11:34

9

5

3,241

by: bumpbot

18 Oct 2022, 16:58

What is the angle between the two lines L1 and L2, if both lines L1

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

amanvermagmat

18 May 2018, 11:21

5

3,854

by: bumpbot

18 Oct 2022, 19:06

ER

Is k a multiple of 14? (1) k > 13! (2) k = m!, where m is an integer g

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

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

duahsolo

17 Aug 2016, 12:18

8

5

2,335

by: bumpbot

19 Oct 2022, 01:16

ER

Is x a digit (an integer from 0 to 9)?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

vivaslluis

24 Oct 2010, 09:41

5

4,972

by: bumpbot

22 Oct 2022, 04:23

ER

Is (|x|)^x > x|x|^3?

555-605 (Medium) | Absolute Values +2 tags

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

amgelcer

28 Sep 2013, 08:54

8

5

3,410

by: bumpbot

06 Nov 2022, 02:23

ER

In the figure shown below, the line segment AD is parallel to the line

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

06 Nov 2018, 01:40

21

5

7,815

by: SaquibHGMATWhiz

07 Nov 2022, 00:24