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

79,259

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

858

24

188,855

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

488,481

by: bb

29 Aug 2025, 13:27

ER

Luxo paint contains only alcohol and pigment. What is the ratio of

Sub 505 (Easy) | Mixture Problems

Sub 505 (Easy) | Mixture Problems hide tags

Bunuel

03 Jan 2016, 13:41

3

2

4,300

by: v12345

03 Oct 2021, 10:38

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The price of a gallon of milk in 1990 was ten percent higher than it

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

Bunuel

01 Dec 2021, 07:00

2

4

4,300

by: aishu0091

16 Dec 2021, 07:34

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Is |x – 5| < 5? (1) x < -4 (2) x < 4

555-605 (Medium) | Absolute Values, Inequalities

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

salopian

14 Jun 2020, 04:16

11

5

4,300

by: bumpbot

12 Jun 2025, 23:58

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What is the value of x? (1) 5x - 3 = 7 (2) x/10 = 1/5

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATBusters

04 Dec 2018, 07:10

5

4,301

by: TheNightKing

04 Sep 2019, 17:06

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If x is not equal to 1, is x^2/(x-1) greater than x?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

banksy

18 Feb 2011, 11:58

9

4

4,301

by: bumpbot

01 Aug 2022, 08:27

ER

12 Days of Christmas GMAT Competition - Day 8: ‘PQ’ represents a two-

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Bunuel

21 Dec 2021, 07:00

10

3

4,302

by: bumpbot

04 Mar 2025, 16:18

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Is integer a a prime number? (1) 2a has exactly three factors. (2) a i

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

06 May 2021, 10:36

2

3

4,303

by: Anisha1637

06 May 2021, 11:00

ER

A bake sale sells only individual cupcakes and boxes of cookies. If cu

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

25 Feb 2020, 03:34

1

3

4,303

by: Jihyo

15 May 2021, 09:04

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x is a positive integer. Is x even? (1) 9x^2 is divisible by 4 (2) 3x

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

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

Bunuel

05 Jul 2018, 05:24

3

9

4,304

by: bumpbot

08 Jul 2022, 07:48

ER

While Mel is on disability leave, his employer pays him a monthly disa

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

26 Jun 2018, 05:54

1

4

4,304

by: TBT

09 Jan 2023, 07:14

ER

If k is an integer, is 2^k + 3^k = m ?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

danzig

21 Aug 2013, 12:26

6

4,304

by: bumpbot

07 Jan 2025, 08:19

ER

What are some possible signs of impending rainfall in Exville today?

Sub 505 (Easy) | Non-Math Related

Sub 505 (Easy) | Non-Math Related hide tags

guddo

14 Aug 2024, 02:39

14

4

4,304

by: JustKeepGoing

22 Mar 2026, 02:20

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Is (x - y) divisible by 3?

655-705 (Hard) | Multiples and Factors

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

alphonsa

21 Aug 2014, 00:15

2

5

4,306

by: bumpbot

17 Aug 2025, 05:58

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If both m and n are positive integers, is m a multiple of n?

555-605 (Medium) | Multiples and Factors

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

Bunuel

18 Jul 2018, 02:46

17

5

4,308

by: Bunuel

08 Nov 2021, 06:13

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Is |x| > |y|?

555-605 (Medium) | Absolute Values, Inequalities

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

anupamgreat

26 Aug 2014, 13:57

6

7

4,309

by: bumpbot

01 Nov 2018, 16:58

ER

If a^4>b^4, is a>b?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

BillyZ

19 Feb 2017, 01:18

23

17

4,309

by: bumpbot

16 Nov 2023, 13:19

ER

If x is a positive integer, what is the number of different positive

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

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

Bunuel

16 Dec 2019, 02:39

10

5

4,309

by: bumpbot

23 Oct 2024, 11:09

ER

What is the volume of a cardboard box with sides a, b, and c ?

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

TehJay

22 Nov 2010, 19:55

4

4,310

by: KarishmaB

23 Nov 2010, 09:26

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Is x^3 − 1 = 0 ? (1) x^2 = 1 (2) x^2 = x

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

31 Mar 2020, 02:15

10

12

4,310

by: chaitralirr

31 Mar 2020, 22:53

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What is the value of the integer z ? (1) z has exactly one prime fact

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

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

Bunuel

31 Jan 2020, 01:12

14

11

4,310

by: bumpbot

23 Aug 2024, 12:51

ER

What is the median of a set of 10 positive integers?

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

28 Feb 2016, 12:06

6

12

4,311

by: nisthagupta28

01 Jul 2021, 00:57

ER

What is the sum of 5 evenly spaced integers? (1) The middle integer is

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

28 Sep 2022, 01:18

4

2

4,311

by: bumpbot

06 Oct 2023, 09:29

ER

Is positive integer x odd?

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

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

Bunuel

05 Jan 2021, 01:15

28

10

4,311

by: bumpbot

02 Nov 2023, 10:03

ER

Around the World in 80 Questions (Day 9): Is x^3 - y^3 = 0 ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

27 Jul 2023, 08:00

16

3

4,311

by: bumpbot

07 Mar 2025, 16:27

ER

Is |w-6| > 5 ?

555-605 (Medium) | Absolute Values, Inequalities

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

1991sehwag

18 Jan 2015, 02:55

14

7

4,312

by: bumpbot

17 Jan 2024, 02:56

ER

The chart above provides a breakdown of car transactions for a local

805+ (Hard) | Graphs and Illustrations

805+ (Hard) | Graphs and Illustrations hide tags

Bunuel

26 Nov 2017, 09:29

11

8

4,313

by: bumpbot

08 May 2024, 10:59

ER

The number of students in each of 10 different classes is a different

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

28 Jul 2020, 03:34

15

7

4,314

by: bumpbot

17 Dec 2022, 08:37

ER

Is x > 0 ? (1) |x - 5| = 7x - 11 (2) |x + 5| = |x - 9|

605-655 (Medium) | Absolute Values, Inequalities

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

Bunuel

06 Jan 2021, 01:15

14

3

4,316

by: bumpbot

03 Oct 2023, 07:31

ER

What is the units digit of 4^n?

505-555 (Easy) | Exponents, Number Properties

505-555 (Easy) | Exponents, Number Properties hide tags

Bunuel

15 Apr 2016, 01:13

1

3

4,317

by: bumpbot

24 Mar 2023, 12:36

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If rt ≠ 0, is qt > sr? (1) q/r < s/t (2) rt < 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

anooo31

02 May 2018, 23:29

25

8

4,319

by: bumpbot

08 Jun 2024, 23:12

ER

Is a positive integer k is divisible by 3?

505-555 (Easy) | Multiples and Factors

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

Bunuel

04 Dec 2018, 03:35

5

4,320

by: Bunuel

30 Sep 2021, 03:38

ER

How many people bought TVs at the Electronics Depot?

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

28 Sep 2017, 01:59

9

7

4,320

by: bumpbot

03 Aug 2023, 06:33

ER

If x^{n+1} - 2x^n=3x^n, then what is the value of x^n?

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

17 Jul 2016, 11:25

8

9

4,320

by: bumpbot

02 Jun 2025, 05:48

ER

Is |x| < 1 ?

Poor Quality

Poor Quality hide tags

gmatgambler

06 Jan 2014, 03:12

9

5

4,321

by: Bunuel

30 Aug 2016, 10:18

ER

How old is Jim? (1) Eight years ago Jim was half as old as he is now.

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

02 Oct 2022, 08:00

4

2

4,323

by: JayBKK

21 Jan 2026, 19:03

ER

If x and y are positive integers, is x odd? (1) y/x is a prime number

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

14 May 2018, 01:48

6

5

4,324

by: Bunuel

30 Sep 2021, 03:24

ER

Set S contains N integers. Is S a set of distinct consecutive integers

655-705 (Hard) | Statistics and Sets Problems

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

d999

27 Jun 2020, 06:09

17

12

4,324

by: bumpbot

29 Nov 2025, 00:39

ER

The radii of two circles are 2 inches and 4 inches, respecti

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

atalpanditgmat

16 Jun 2013, 04:47

7

16

4,325

by: bumpbot

11 Aug 2019, 22:35

ER

In the xy-plane, both line K and L intersect with axis-X. Is K’s inter

705-805 (Hard) | Coordinate Plane

705-805 (Hard) | Coordinate Plane hide tags

GMATinsight

23 Jul 2015, 07:19

15

12

4,325

by: bumpbot

28 Aug 2023, 09:16

ER

In the XY-plane, is the slope of the line k positive? (1) Line k is pe

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

07 Nov 2018, 02:10

3

4,326

by: bumpbot

09 Jan 2021, 03:32

ER

What is the value of x?

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

GMATBusters

07 Dec 2019, 19:17

5

13

4,327

by: rajatchopra1994

11 Dec 2019, 10:15

ER

What is the area of rectangle ABCD?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

desaichinmay22

04 Dec 2014, 01:47

13

10

4,328

by: Bunuel

17 May 2019, 00:48

ER

x and y are consecutive integers such that x > y. What is the absolute

605-655 (Medium) | Absolute Values, Number Properties

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

Bunuel

07 Mar 2016, 11:08

11

7

4,328

by: bumpbot

09 Nov 2022, 03:34

ER

If y ≠ 0, is 10/y > 5?

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

aakrity

15 Nov 2013, 02:39

11

4

4,328

by: bumpbot

27 Oct 2023, 05:08

ER

For a certain performance at a concert hall, a total of 2,350 tickets

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

15 Oct 2019, 23:39

3

2

4,328

by: bumpbot

18 Dec 2023, 04:35

ER

In a garden, the ratio of the number of apples, bananas and cherries i

655-705 (Hard) | Fractions and Ratios

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

alphonsa

29 Aug 2014, 05:17

11

4

4,328

by: bumpbot

14 Nov 2024, 02:27

ER

At how many points does the graph of a quadratic equation cut x axis

555-605 (Medium) | Algebra, Coordinate Plane

555-605 (Medium) | Algebra, Coordinate Plane hide tags

GMATinsight

19 Oct 2017, 05:39

28

4

4,331

by: js1986

13 Dec 2021, 22:54

ER

What is the value of integer n ? (1) n(n + 1) = 20 (2) 6!/(n!)(6-n)!

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

GMATinsight

08 Sep 2018, 05:24

26

9

4,331

by: bumpbot

20 Mar 2025, 04:30

ER

Out of 25 Gryffindor students, 16 play chess, and 11 play quidditch.

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

13 Apr 2026, 06:55

20

3

4,332

by: bumpbot

20 Jul 2025, 11:20

ER

If x is a positive integer, what is the result when (x + 1)!

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

arjoban

29 May 2014, 04:02

17

3

4,333

by: bumpbot

10 Jan 2025, 04:09