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

183

15

83,491

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of May 2026

1, 2

Bunuel

01 Jan 2026, 05:45

862

24

191,629

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

491,543

by: bb

29 Aug 2025, 13:27

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GMAT Club World Cup 2022 (DAY 7): If a, b, c, and d are distinct

805+ (Hard) | Multiples and Factors, Statistics and Sets Problems

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

1, 2

Bunuel

19 Jul 2022, 08:00

24

20

4,112

by: bumpbot

06 Jun 2026, 02:32

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Is x < y^2 ?

705-805 (Hard) | Absolute Values +2 tags

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RonPurewal

25 Jul 2017, 00:50

27

7

4,111

by: bumpbot

18 Jan 2026, 01:46

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Is x^3 greater than x

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krishna789

11 Jun 2014, 21:30

2

4,111

by: krishna789

12 Jun 2014, 00:38

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On January 1, 2003, Jack invested $5,000 at r percent interest rate

555-605 (Medium) | Percent and Interest Problems

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

Bunuel

12 May 2020, 01:17

10

6

4,110

by: bumpbot

13 May 2021, 03:30

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If x = (9b - 3ab)/(3/a - a/3), what is x? (1) 9ab/(3+a) = 18/5 (2) b

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

21 Jul 2021, 23:50

5

6

4,108

by: bumpbot

05 Feb 2023, 11:47

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Two sets, M and Q, include only consecutive multiples of 5

655-705 (Hard) | Statistics and Sets Problems

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

guerrero25

21 Mar 2013, 11:10

7

6

4,108

by: IanStewart

22 Jun 2021, 08:23

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Is J + K > L + M ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

gmatquant25

23 Sep 2014, 12:18

20

6

4,106

by: Bunuel

09 Dec 2025, 11:09

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What is the value of (k – w ) + (k – x ) + (k – y )?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

21 Jan 2018, 03:19

9

4

4,106

by: bumpbot

19 Jan 2024, 10:06

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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

4,106

by: bumpbot

10 Aug 2022, 10:03

ER

12 Days of Christmas GMAT Competition - Day 8: During a Christmas

605-655 (Medium) | Algebra, Word Problems

605-655 (Medium) | Algebra, Word Problems hide tags

Bunuel

20 Dec 2023, 07:00

6

4

4,105

by: bumpbot

26 May 2025, 19:53

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What is the standard deviation of the terms in set N?

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

17 May 2023, 01:30

1

4,105

by: chanhthang1802

17 May 2023, 22:23

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[1/a^2+1/a^4+1/a^6+...]>[1/a+1/a^3+1/a^5]

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honeyhani

18 Oct 2010, 05:03

3

2

4,105

by: IanStewart

18 Oct 2010, 11:48

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A pumpkin patch contains x pumpkins that weigh 10 pounds each and y pu

805+ (Hard) | Word Problems

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Bunuel

02 May 2026, 10:09

8

4

4,104

by: bumpbot

19 Jan 2026, 03:18

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Of the 60 girls at a summer camp, 75 percent chose to learn rowing

655-705 (Hard) | Overlapping Sets

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MT1302

21 Mar 2024, 08:38

16

5

4,104

by: bumpbot

10 Oct 2025, 01:25

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

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

17 Dec 2017, 01:42

10

4,104

by: bumpbot

26 Apr 2024, 06:17

ER

What is the remainder when positive integer k is divided by 12?

655-705 (Hard) | Remainders

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Bunuel

05 Oct 2019, 02:18

8

4

4,104

by: Harshjha001

27 Apr 2021, 12:12

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If x is an even integer, is x divisible by 6?

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

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

chetan2u

14 Jan 2018, 06:04

19

13

4,104

by: Basshead

05 Nov 2020, 16:27

ER

If r and s are positive integers and rs = 12, what is the

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

nimc2012

08 Feb 2012, 02:23

2

3

4,103

by: bumpbot

13 Jan 2022, 08:57

ER

Is x^2 > y^2?

555-605 (Medium) | Inequalities

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BillyZ

14 May 2017, 02:00

13

4

4,103

by: bumpbot

10 Jul 2021, 09:26

ER

A group of 4 boys and 5 girls take a test. What is the avera

605-655 (Medium) | Statistics and Sets Problems

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

GMATBusters

06 Jun 2020, 19:13

13

12

4,102

by: bumpbot

17 Dec 2025, 11:52

ER

Is X^N an integer? (1) X is an integer (2) N is an integer

605-655 (Medium) | Exponents, Number Properties

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

Bunuel

09 Sep 2019, 21:04

5

10

4,102

by: djmobley

30 Sep 2019, 19:13

ER

At the beginning of the last year, a car dealership had 150 cars in

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

10 Aug 2017, 02:56

10

2

4,101

by: bumpbot

05 Dec 2025, 05:25

What is the value of X? 1) X is a mode of 2) X is neither

505-555 (Easy) | Statistics and Sets Problems

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

BarneyStinson

14 Mar 2010, 13:31

2

5

4,101

by: karan12345

02 Jun 2020, 00:05

ER

If a and b are non-negative integers, is the number of the divisors of

805+ (Hard) | Multiples and Factors, Number Properties

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

Bunuel

04 Nov 2019, 03:29

16

3

4,100

by: bumpbot

07 Feb 2025, 11:38

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Is p an odd integer? (1) (p^5)^5 is an odd integer (2) ((p)^(1/5))^(1

705-805 (Hard) | Exponents, Number Properties

705-805 (Hard) | Exponents, Number Properties hide tags

Bunuel

24 May 2022, 03:35

8

4

4,099

by: Bunuel

20 Apr 2025, 07:57

ER

Is the positive integer m divisible by 6?

505-555 (Easy) | Multiples and Factors

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

thesaifeye

07 Nov 2019, 23:23

2

4,099

by: ccooley

07 Nov 2019, 12:48

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If x and n are integers such that x = 1^2 + 2^2 + 3^2 + . . . + n^2, w

805+ (Hard) | Exponents +2 tags

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Bunuel

20 Jan 2017, 07:37

18

7

4,099

by: thefibonacci

15 Jul 2018, 02:51

ER

What is the volume of rectangular box Q? (1) Two adjacent

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

guygmat

19 Jun 2011, 08:02

2

3

4,099

by: Bunuel

04 Dec 2017, 00:21

ER

A solution of acid and water is A% acid. Another solution of acid and

705-805 (Hard) | Mixture Problems

705-805 (Hard) | Mixture Problems hide tags

amanvermagmat

25 Nov 2018, 22:24

12

4

4,098

by: Sonatomar

20 Aug 2025, 02:39

What is the remainder when 5-digit positive integer pqpqp is divided

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

BillyZ

02 May 2017, 16:20

12

4

4,098

by: bumpbot

06 Nov 2023, 00:58

ER

What is the value of the positive, two-digit number x?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

28 May 2017, 02:12

5

4,098

by: AniJain

16 Sep 2018, 03:17

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If -3x > 4y, is x < 0? (1) y > 0 (2) 3x + 5y – 20 = 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

21 Apr 2017, 07:55

20

7

4,097

by: bumpbot

03 Dec 2021, 07:52

ER

Given that b is more than 90 percent of a, is b < 65?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

26 May 2021, 02:00

4

2

4,096

by: TestPrepUnlimited

29 May 2021, 12:40

ER

If two sets of numbers, P and Q, have the same number of elements, is

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Sajjad1994

02 Jul 2019, 03:09

5

1

4,095

by: IanStewart

02 Jul 2019, 06:03

ER

If positive integers x and y are NOT multiples of 11, do they leave th

605-655 (Medium) | Multiples and Factors, Remainders

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

Bunuel

22 Dec 2020, 01:15

18

10

4,093

by: Fdambro294

12 Jun 2024, 21:27

ER

In the diagram above, rectangle ABCD is intersected by line WZ at poin

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

06 Jun 2017, 10:10

13

8

4,093

by: bumpbot

03 Oct 2020, 12:03

ER

If A and B are positive integers, is A – B even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

20 Feb 2020, 01:24

6

7

4,093

by: lacktutor

21 Feb 2020, 00:52

ER

If w + x < 0, is w - y > 0 ?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

uzzy12

18 Aug 2010, 21:31

8

5

4,092

by: bumpbot

02 Jan 2026, 02:21

ER

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

605-655 (Medium) | Absolute Values, Inequalities

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

Bunuel

11 Aug 2017, 02:48

10

3

4,092

by: Bunuel

01 Oct 2023, 02:50

Is x^2 * y^2< xy ?

555-605 (Medium) | Algebra, Inequalities

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

idontknowwhy94

06 Oct 2016, 13:25

16

8

4,092

by: bumpbot

27 Mar 2023, 00:22

ER

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

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

22 Nov 2018, 02:40

14

7

4,091

by: bumpbot

18 Dec 2022, 04:58

ER

Is a^4+b^4 less than 32?

805+ (Hard) | Algebra +2 tags

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diota2004

08 Dec 2017, 21:42

52

7

4,091

by: bumpbot

18 Feb 2020, 05:38

ER

If x and y are integers, what is the value of (2^x)^y (1) 2^x + 2^y =

555-605 (Medium) | Exponents

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Bunuel

16 Dec 2019, 02:55

1

3

4,091

by: Archit3110

16 Dec 2019, 04:23

ER

Lily has only red and blue balls in a jar. If she removes three balls

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Bunuel

19 Oct 2022, 02:33

10

4

4,088

by: bumpbot

17 Jul 2025, 02:11

ER

A grocery is storing some small cereal boxes in large carton that meas

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

05 May 2020, 01:52

21

11

4,086

by: bumpbot

30 Jul 2024, 04:23

ER

The value of a painting was $7000 on may 5, 1970 and $12,000 on may 5,

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zatspeed

12 Mar 2015, 06:22

5

4,086

by: rxb266

07 May 2023, 23:38

ER

Is x > y? (1) -4x + 2y < y - 3x (2) wx > wy

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

25 Jul 2018, 03:35

6

4,085

by: bumpbot

25 Jun 2024, 10:27

ER

In a class, every student is either American or European. Every studen

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

01 Dec 2021, 09:30

17

10

4,084

by: bumpbot

27 Apr 2025, 22:22

ER

Does 7x = 14 + 2x? (1) -3x is greater than or equal to -9. (2) 2x is

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

19 Nov 2019, 02:06

6

4

4,084

by: bumpbot

04 Apr 2023, 09:27

ER

If a, b, c, and d are integers where 0 < a < b < c < d, what is the va

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

unraveled

21 Aug 2019, 01:11

11

6

4,083

by: bumpbot

18 Aug 2024, 23:04