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

178

15

78,972

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

188,670

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

488,177

by: bb

29 Aug 2025, 13:27

A line l in the xy-coordinate system passes through the origin and poi

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

TheUltimateWinner

27 Jul 2020, 10:00

3

1

1,323

by: Siak0730

27 Jul 2020, 11:34

ER

Is x = √8 ? (1) x^2 − 4√2*x + 8 = 0 (2) x^2 + 2√2 *x − 16 = 0

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

27 Jul 2020, 03:09

3

6

2,297

by: KaramveerBakshi

27 Jul 2020, 07:36

ER

If x is an integer, is x even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

27 Jul 2020, 01:39

21

19

5,086

by: bumpbot

04 Jul 2021, 11:17

ER

If ab = 10, what is the value

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

sarphant123

26 Jul 2020, 22:51

9

3

2,548

by: bumpbot

16 Jan 2024, 10:08

ER

If x is a positive integer, is x^4 divisible by 16?

555-605 (Medium) | Multiples and Factors

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

sarphant123

26 Jul 2020, 11:23

8

9

4,111

by: bumpbot

20 Oct 2021, 07:36

ER

What is the value of X ?

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nkme2007

26 Jul 2020, 10:39

2

900

by: IanStewart

27 Jul 2020, 08:07

ER

Is the angle [b]a[/b] equal to 30?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

GMATBusters

25 Jul 2020, 19:17

1

9

2,014

by: dishra

26 Jul 2020, 16:20

ER

if [b]a[/b] is a positive integer, is there

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

GMATBusters

25 Jul 2020, 19:08

7

10

2,617

by: bumpbot

11 Apr 2024, 06:39

ER

Is d > e?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

GMATBusters

25 Jul 2020, 19:08

3

9

2,450

by: dishra

26 Jul 2020, 15:22

ER

Does the parabola y=a(x-h)^2+k intersect the x-axis? 1) h<0 2) a<0

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

TheUltimateWinner

24 Jul 2020, 09:25

5

4

2,313

by: Aulegue

27 Jul 2020, 07:51

ER

Diagonal BD divides quadrilateral ABCD into two triangles. Are these

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

24 Jul 2020, 03:07

6

4

2,099

by: KaramveerBakshi

24 Jul 2020, 11:00

ER

For integer values of x and y, find x + y ?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

GMATinsight

23 Jul 2020, 05:26

1

2

1,293

by: Archit3110

23 Jul 2020, 08:47

ER

In triangle ABC above, is AC greater than 4?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

jefferyk

22 Jul 2020, 23:24

13

4

3,534

by: bumpbot

08 Feb 2023, 12:13

ER

If |x - y| = 8, what is the value of x + y?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

jefferyk

22 Jul 2020, 23:17

6

4

2,740

by: bumpbot

29 Apr 2023, 01:57

ER

What is the value of v^3 - k^3 ? (1) vk > 0 (2) v - k = 6

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

22 Jul 2020, 04:38

11

6

11,095

by: bumpbot

22 Dec 2023, 21:49

ER

If Hugga the rhinoceros weighs twice as much as Behbeh the goat, then

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

22 Jul 2020, 02:40

9

7

2,244

by: Pesko1999

22 Jul 2020, 08:29

ER

Is x > 0 ? (1) |3 - x| < |x + 5| (2) |3 - 2x| < x - 1

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

21 Jul 2020, 00:56

26

12

6,504

by: bumpbot

29 Dec 2023, 22:14

ER

For S, a set of five integers, is the mean of the set an integer in S?

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

20 Jul 2020, 02:56

17

5

5,011

by: bumpbot

04 Mar 2025, 07:09

ER

A zoologist recorded the number of cubs under the care of each of 12 a

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

20 Jul 2020, 02:56

29

7

4,179

by: Rickooreoisb

29 Jan 2026, 19:59

ER

In the figure above, segments PQ and QR are each parallel to one of th

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

Bunuel

20 Jul 2020, 01:09

12

6

4,853

by: bumpbot

31 May 2023, 08:39

ER

If A and B are single digits and their sum is a multiple of 5, what is

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

chetan2u

19 Jul 2020, 22:43

8

1,769

by: bumpbot

06 Jun 2024, 09:24

ER

Is abc/d an integer if a, b, c, and d are positive integers? (1) (a +

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Kritisood

19 Jul 2020, 08:29

16

10

5,956

by: bumpbot

01 Nov 2024, 23:26

ER

What was the cost in dollars per mile of the jet fuel needed for a pla

505-555 (Easy) | Work and Rate Problems

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

coreyander

19 Jul 2020, 07:32

1

2

2,289

by: IanStewart

20 Jul 2020, 09:58

ER

If z is a positive three-digit integer, is z a multiple of 7?

655-705 (Hard) | Multiples and Factors

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

Bunuel

17 Jul 2020, 04:50

9

2

1,874

by: gonerias

18 Jul 2020, 04:01

ER

Q1, Q2, Q3, …, Qn is a sequence of n consecutive multiples of positive

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

Bunuel

17 Jul 2020, 01:58

15

9

4,195

by: bumpbot

24 Mar 2022, 14:11

ER

Find the sum of x-intercept and y-intercept of the line L? 1) The x a

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

GMATinsight

16 Jul 2020, 07:19

4

2,138

by: hiranmay

16 Jul 2020, 08:13

A total of $100,000 was invested in one year. A part of this amount ea

655-705 (Hard) | Percent and Interest Problems, Word Problems

655-705 (Hard) | Percent and Interest Problems, Word Problems hide tags

siddharthkapoor

15 Jul 2020, 09:12

5

3

2,704

by: nick1816

19 Jul 2020, 00:41

ER

Which of the five terms, p, q, p + q, p − 1, and q + 1, represents the

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

Bunuel

14 Jul 2020, 02:55

13

3

5,033

by: bumpbot

02 Aug 2024, 03:25

ER

If list Q contains more than two numbers, are all the numbers in Q equ

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

14 Jul 2020, 01:43

12

8

3,328

by: bumpbot

12 Jun 2024, 03:09

ER

What is the minimum number of distinct factors that y must-have?

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dracarys007

13 Jul 2020, 10:36

2

3

1,937

by: IanStewart

30 Jul 2020, 08:32

ER

What is the units digit of the positive integer x?

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

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

dracarys007

13 Jul 2020, 09:01

1

1,007

by: CrackverbalGMAT

13 Jul 2020, 10:02

ER

If 0 < x < 100, what is the value of x?

705-805 (Hard) | Multiples and Factors, Number Properties

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

Bunuel

13 Jul 2020, 03:47

11

5

6,535

by: bumpbot

23 Jan 2023, 10:20

ER

Cathy was born less than 10 years ago and Karen is at least 22 years

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

13 Jul 2020, 03:47

8

4

2,640

by: KaramveerBakshi

13 Jul 2020, 21:36

ER

Tina and Ethan collect only red and black marbles. Together, they have

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

13 Jul 2020, 02:14

8

7

2,580

by: bumpbot

06 Sep 2025, 18:52

ER

For a positive integer n, is n divisible by 6? (1) n = m3 - m, for any

555-605 (Medium) | Multiples and Factors

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

siddharthkapoor

13 Jul 2020, 01:05

9

7

4,018

by: bumpbot

31 Mar 2022, 10:25

ER

Is x^2 + y^2 – xy >0?

805+ (Hard) | Inequalities

805+ (Hard) | Inequalities hide tags

QuantMadeEasy

12 Jul 2020, 11:43

8

5

8,402

by: bumpbot

24 Jan 2024, 01:55

ER

If x and y are positive integers such that 1< x < y, is y divisible by

705-805 (Hard) | Multiples and Factors, Number Properties

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

Russ19

12 Jul 2020, 09:58

18

8

4,720

by: IanStewart

01 Oct 2022, 19:32

ER

Does the parabola y=mx^2+4mnx+4n, where m and n are constants, interse

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

TheUltimateWinner

12 Jul 2020, 08:16

1

2

1,706

by: mSKR

13 Jul 2020, 09:39

ER

What percent of the students at University X are enrolled in a science

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

1, 2

randommbaguy

14 Aug 2024, 08:04

372

25

38,500

by: Ethan39

10 Oct 2025, 01:54

ER

Can more than thirteen balls of radius R be fitted (without compressin

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Thelionking1234

12 Jul 2020, 05:19

7

5

5,331

by: Lipun

15 Jul 2020, 09:39

ER

Is x < y? (1) x^2 < -xy (2) x + |y| +1 < 0

805+ (Hard) | Absolute Values, Inequalities

805+ (Hard) | Absolute Values, Inequalities hide tags

GMATinsight

11 Jul 2020, 23:04

4

2

1,370

by: minustark

12 Jul 2020, 08:16

ER

Is the triangle ABC with sides a, b,

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

14 Jul 2020, 09:30

17

19

5,698

by: Fdambro294

01 Dec 2021, 02:32

ER

if a^2 * a^b = a^z ,

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

GMATBusters

11 Jul 2020, 19:16

19

16

2,510

by: Kinshook

14 Jul 2020, 10:17

ER

On a camping trip, x campers each paid y dollars for food. What percen

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

10 Jul 2020, 02:47

26

9

12,626

by: bumpbot

03 Sep 2025, 04:16

ER

Are x, y, and z consecutive integers?

555-605 (Medium) | Number Properties, Remainders

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

Bunuel

10 Jul 2020, 02:47

15

5

5,809

by: bumpbot

26 Mar 2024, 13:46

ER

In the trapezoid ABCD above, BC = 20, and AE = 8. What is the perimete

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

10 Jul 2020, 01:50

18

8

5,240

by: bumpbot

09 Oct 2023, 02:06

ER

What is the value of x given that |x - y| = |x - z| ?

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

Bunuel

09 Jul 2020, 03:10

20

7

3,805

by: bumpbot

28 Mar 2022, 13:24

ER

Poll: Is xy < z? (1) xyz = 1 (2) xyz^2 > 1

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Frank28

08 Jul 2020, 14:51

4

3,322

by: mSKR

09 Jul 2020, 09:58

ER

If x ≠ −√3 or √3, is 3/(x^2 − 3) > 0 ? (1) 1/x^2 > 0 (2) −2/(x^2 − 2)

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

08 Jul 2020, 04:42

4

1,948

by: bumpbot

27 Oct 2021, 03:48

ER

Find the Area of ∆ABC? 1) Two sides of the triangle have lengths 3 an

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

GMATinsight

08 Jul 2020, 03:37

4

10

2,440

by: pranjall19

16 Feb 2023, 02:02