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

176

15

78,823

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

856

24

188,583

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

488,023

by: bb

29 Aug 2025, 13:27

ER

For positive integer a, is the product (a)(a + 1)(a + 2) divisible by

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

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

Bunuel

08 Oct 2015, 07:51

30

10

10,451

by: bumpbot

22 Dec 2022, 11:38

ER

A box contains only red chips, green chips and blue chips. If a chip i

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

fitzpratik

27 Aug 2017, 19:51

7

8,391

by: bumpbot

22 Dec 2022, 12:11

ER

What is the value of j + k?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

17 Feb 2015, 09:26

14

7

8,199

by: bumpbot

24 Dec 2022, 04:38

ER

Is x^2 equal to xy? (1) x^2 + y^2 = -(x^2 y^2) (2) x = y

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

06 Oct 2015, 05:50

12

7

5,253

by: bumpbot

26 Dec 2022, 03:43

ER

The measure of angle MKL is how many degrees greater than the measure

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

kendrikFROMkenya

20 Nov 2019, 08:46

3

8

3,851

by: bumpbot

26 Dec 2022, 07:17

ER

The variables a and b represent the hundreds digits of the two numbers

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

27 Oct 2021, 07:30

1

6

2,597

by: bumpbot

26 Dec 2022, 12:51

ER

How many times was a fair coin tossed? (1) If the coin has been tosse

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

27 May 2018, 10:19

34

8

6,839

by: bumpbot

27 Dec 2022, 05:49

ER

A beer company spent $100,000 last year on hops, yeast, and malt. How

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

02 Oct 2015, 01:48

5

6

5,078

by: bumpbot

28 Dec 2022, 01:56

ER

At the beginning of January 2003, Jill invested money in an account th

505-555 (Easy) | Percent and Interest Problems

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

stevetaylor

20 Oct 2016, 21:53

12

8

7,032

by: bumpbot

28 Dec 2022, 12:39

ER

In the equation x^2 + mx + n = 0, x is a variable and m and n are cons

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

28 Aug 2017, 03:01

14

9

13,508

by: RahulJain293

03 Jan 2023, 10:05

ER

Is a > bc? (1) a/c > b (2) c > 3

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

17 Apr 2015, 04:36

15

11

5,239

by: GinoRako

04 Jan 2023, 03:54

ER

Every passenger on a certain airplane is from either Japan

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

vibhav

15 Jul 2013, 08:49

79

8

11,673

by: bumpbot

05 Jan 2023, 13:27

ER

Does the curve f(x)=y=ax^2+c intersect with the x - axis?

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

kiran120680

08 Mar 2019, 08:56

24

9

6,355

by: bumpbot

13 Jan 2023, 06:21

ER

If x > 1, is [m][square_root]{3x}[/square_root][/m] an integer? (a) s

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Hoozan

23 Mar 2021, 05:12

7

5

3,385

by: bumpbot

16 Jan 2023, 23:39

ER

Danny purchased a number of grease pumps of only two possible variants

655-705 (Hard) | Fractions and Ratios

655-705 (Hard) | Fractions and Ratios hide tags

Bunuel

05 May 2021, 06:00

7

5

2,664

by: SaquibHGMATWhiz

17 Jan 2023, 01:22

ER

The figure above shows Line L, Circle 1 with center at C1, and Circle

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

03 Aug 2018, 10:38

199

15

25,546

by: egmat

20 Jan 2023, 06:11

ER

A right circular cone, twice as tall as it is wide at its

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

andrewng

07 Oct 2009, 00:31

89

14

21,139

by: bumpbot

20 Jan 2023, 07:19

ER

A framed picture is shown above. The frame, shown shaded, is 6 inches

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

nalinnair

28 May 2016, 04:44

100

12

22,222

by: akt715

21 Jan 2023, 01:24

ER

What is the value of x? (1) 4 < x < 6 (2) |x| = 4x 15

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

19 Feb 2021, 01:15

10

6

4,478

by: bumpbot

21 Jan 2023, 18:09

ER

The two-digit positive integer s is the sum of the two-digit positive

805+ (Hard) | Arithmetic

805+ (Hard) | Arithmetic hide tags

Evaaaaaa

18 Dec 2017, 23:50

55

9

8,132

by: bumpbot

22 Jan 2023, 01:23

ER

If y is an integer, is y^2 divisible by 4?

505-555 (Easy) | Multiples and Factors

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

nimc2012

08 Feb 2012, 02:16

4

4,176

by: bumpbot

23 Jan 2023, 06:40

ER

If a and b are both two digit integers, is a + b a multiple of 11?

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

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

Bunuel

28 Feb 2016, 09:22

8

6

7,572

by: bumpbot

23 Jan 2023, 06:58

ER

Is -1 < x < 2 ? (1) 0 < x < 4 (2) -2 < x < 3

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

23 May 2020, 04:32

6

5

4,008

by: bumpbot

27 Jan 2023, 04:14

ER

Is ax = 6 - bx ?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

avohden

24 Oct 2013, 17:35

5

7

4,359

by: bumpbot

02 Feb 2023, 03:40

ER

A certain wooded lot contains 56 oak trees. How many pine trees does

Sub 505 (Easy) | Fractions and Ratios, Word Problems

Sub 505 (Easy) | Fractions and Ratios, Word Problems hide tags

Bunuel

12 Oct 2015, 22:06

8

6

7,822

by: bumpbot

02 Feb 2023, 03:40

ER

In the xy-plane, there is a rectangle ABCO shown as the above figure.

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

MathRevolution

06 Apr 2017, 01:08

11

9

4,514

by: Bunuel

02 Feb 2023, 07:05

ER

Matt and Jaron are constructing a brick wall. If they work

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

aparnaharish

07 Sep 2013, 06:07

20

6

8,169

by: bumpbot

04 Feb 2023, 02:09

ER

a, x, and k are positive integers. k is odd. Is a divisible by 24?

805+ (Hard) | Exponents

805+ (Hard) | Exponents hide tags

Bunuel

11 Dec 2017, 00:50

45

11

4,769

by: bumpbot

04 Feb 2023, 06:30

ER

Is |x + 2| < 3? (1) x < 1 (2) x > -5

505-555 (Easy) | Absolute Values, Inequalities

505-555 (Easy) | Absolute Values, Inequalities hide tags

GMATBusters

01 Nov 2018, 22:27

32

7

9,017

by: avigutman

06 Feb 2023, 12:23

ER

If x is a positive integer greater than 1, and y is the smallest posit

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

Sajjad1994

29 Oct 2020, 11:07

30

12

5,369

by: rgoel2305

07 Feb 2023, 23:23

ER

If a, b, and c are positive integers, what is the greatest common divi

555-605 (Medium) | Multiples and Factors

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

Bunuel

21 Dec 2018, 06:01

19

7

5,374

by: bumpbot

12 Feb 2023, 19:38

ER

Figure ABCD is a rectangle with sides of length x centimeters and

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

dynocomet

04 Apr 2018, 11:03

45

10

17,443

by: bumpbot

15 Feb 2023, 02:29

ER

What is the perimeter of rectangle R?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Hussain15

20 Jul 2012, 04:31

22

11

11,589

by: bumpbot

15 Feb 2023, 04:04

ER

If n^2/n yields an integer greater than 0, is n divisible by

555-605 (Medium) | Multiples and Factors

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

enigma123

07 Mar 2024, 01:23

65

7

18,667

by: bumpbot

17 Feb 2023, 12:31

ER

A souvenir stand began the day Wednesday with a ratio of 13 hats for

655-705 (Hard) | Number Properties, Word Problems

655-705 (Hard) | Number Properties, Word Problems hide tags

Thoughtosphere

22 Oct 2014, 04:00

30

7

7,024

by: bumpbot

18 Feb 2023, 14:19

ER

If x 0, is 1 + x + x^2 + x^3 + x^4 + x^5 < 1/(1 - x) ?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Bunuel

04 May 2021, 06:10

8

4

2,494

by: ganeshkmr16

19 Feb 2023, 09:16

ER

The area of a rectangle is 80. What is the angle between the

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

GK_Gmat

21 Dec 2007, 04:40

13

6

14,002

by: Bunuel

23 Feb 2023, 02:02

ER

If x, y, and z are positive integers, is (x+y)z greater than (y+z)x ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

TheUltimateWinner

01 May 2020, 13:23

6

8

4,717

by: bumpbot

24 Feb 2023, 10:43

ER

Does xy = 1? (1) x > y (2) x = 1/y

Sub 505 (Easy) | Algebra, Inequalities

Sub 505 (Easy) | Algebra, Inequalities hide tags

Bunuel

11 Feb 2020, 02:30

11

6

9,271

by: bumpbot

26 Feb 2023, 16:25

ER

If w + k = v, what is the value of k

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

rxs0005

14 Feb 2012, 05:37

9

6

4,123

by: bumpbot

27 Feb 2023, 00:02

ER

The decimal representation of the number is given

555-605 (Medium) | Algebra, Inequalities

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

EgmatQuantExpert

23 May 2017, 07:26

6

5

3,345

by: bumpbot

28 Feb 2023, 09:06

ER

Is x^2*y^5*z > 0 ? (1) xz/y > 0 (2) y/z < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

bibha

31 Jul 2010, 21:41

28

12

9,482

by: bumpbot

01 Mar 2023, 08:44

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

4,687

by: bumpbot

10 Mar 2023, 03:29

ER

A grocery store wanted to repackage all of the eggs that were in carto

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Other

12 Jun 2010, 08:08

6

4

6,121

by: Bunuel

12 Mar 2023, 05:04

ER

Is |a| = |ab|? (1) a b (2) a^10 b^10 = 0

655-705 (Hard) | Absolute Values, Algebra

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

Bunuel

29 Apr 2016, 02:43

9

6

3,711

by: bumpbot

12 Mar 2023, 17:48

ER

If x > 1 and m > 1 , is x m < (m + x + 1) ?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

Hussain15

20 Jun 2010, 05:45

17

11

6,268

by: bumpbot

13 Mar 2023, 09:33

ER

Is x^2 greater than x ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

metallicafan

20 Jun 2012, 10:44

4

10

6,372

by: bumpbot

14 Mar 2023, 11:26

ER

If x and y are integers, is ax > ay?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

06 Feb 2017, 07:52

24

7

7,476

by: bumpbot

14 Mar 2023, 12:33

ER

Is y = 7?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

09 Mar 2016, 13:34

14

16

5,902

by: bumpbot

14 Mar 2023, 12:43

ER

A triangle is inscribed in a circle. The length of one of its sides is

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

philipssonicare

30 Sep 2018, 03:04

5

6

4,575

by: bumpbot

15 Mar 2023, 15:10