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

175

15

78,525

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,411

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

487,751

by: bb

29 Aug 2025, 13:27

ER

On a fishing expedition, a group of 13 fishermen caught a total of 160

655-705 (Hard) | Min-Max Problems, Statistics and Sets Problems

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

shasadou

02 Apr 2016, 03:59

78

15

17,096

by: mkj128

22 Apr 2026, 14:47

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A courier company assigned each of its drivers to exactly one of three

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

21 Apr 2026, 19:00

4

90

by: BongBideshini

22 Apr 2026, 04:22

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The average (arithmetic mean) of a list of positive numbers is what

605-655 (Medium) | Percent and Interest Problems, Statistics and Sets Problems

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

Bunuel

07 Nov 2017, 23:25

35

8

8,707

by: bumpbot

21 Apr 2026, 08:50

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A set of data consists of 4 integers. What is the standard

705-805 (Hard) | Statistics and Sets Problems

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

nusmavrik

24 Aug 2010, 01:28

29

7

8,742

by: bumpbot

21 Apr 2026, 01:19

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Cedar Court and Maple Court have the same number of occupied apartment

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

12 Apr 2026, 19:00

5

6

233

by: DropletMaverick

21 Apr 2026, 01:12

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If there are only girl students in a class, is the number of students

805+ (Hard) | Statistics and Sets Problems, Word Problems

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

chetan2u

16 Oct 2017, 04:17

13

6

2,947

by: bumpbot

20 Apr 2026, 03:01

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R = {223, 225, 227, 229, 231, 233, 235, 237} Given Set R, Set S is fo

705-805 (Hard) | Statistics and Sets Problems

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Sajjad1994

14 Aug 2019, 03:28

6

2

1,690

by: bumpbot

19 Apr 2026, 03:42

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For a certain exam, was the standard deviation of the scores

555-605 (Medium) | Statistics and Sets Problems

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

gmat1220

09 May 2011, 00:12

85

11

11,602

by: bumpbot

18 Apr 2026, 23:38

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At a farmers market, Mia, Leo, and Owen each bought some oranges.

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

16 Apr 2026, 19:00

2

155

by: BongBideshini

17 Apr 2026, 11:36

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For a certain set of z numbers, where z > 1, is the average (arithmeti

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

08 Jan 2018, 07:39

2

1,512

by: bumpbot

17 Apr 2026, 03:47

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Set X consists of exactly four distinct integers that are greater than

805+ (Hard) | Number Properties, Statistics and Sets Problems

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

Sajjad1994

29 Oct 2020, 12:02

16

4

3,184

by: bumpbot

17 Apr 2026, 00:52

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The greatest of M integers is 400. The least of N integers is 475. Wha

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

13 Apr 2018, 01:19

5

4

1,721

by: bumpbot

16 Apr 2026, 10:56

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N consecutive integers have a median of 24. What is the largest of the

555-605 (Medium) | Statistics and Sets Problems

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

amanvermagmat

08 May 2018, 23:33

3

1,169

by: bumpbot

16 Apr 2026, 07:19

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A bakery packed 150 dessert boxes in two batches. Each box contained

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

08 Apr 2026, 19:00

4

3

268

by: Bunuel

16 Apr 2026, 02:45

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The GMAT is scored on a scale of 200 to 800 in 10 point incr

805+ (Hard) | Statistics and Sets Problems, Word Problems

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1, 2

enigma123

15 Apr 2026, 11:36

395

22

35,376

by: bumpbot

15 Apr 2026, 18:52

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What is the average (arithmetic mean) of eleven consecutive

555-605 (Medium) | Statistics and Sets Problems

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

1, 2

zz0vlb

23 Apr 2010, 18:05

468

26

92,281

by: ankushsambare

14 Apr 2026, 03:12

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For a certain set of n numbers, where n > 1, is the average (arithmeti

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

26 Feb 2014, 02:24

137

14

30,844

by: ankushsambare

14 Apr 2026, 02:16

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Set X and set Y have 10 numbers each. Is standard deviation of set X

605-655 (Medium) | Statistics and Sets Problems

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

hkotadiya

05 Oct 2017, 07:40

33

9

14,055

by: bumpbot

13 Apr 2026, 12:03

ER

The average of a certain set of numbers is 20 and its

805+ (Hard) | Statistics and Sets Problems

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

earnit

09 Apr 2018, 04:39

44

8

10,399

by: bumpbot

11 Apr 2026, 04:58

ER

K is a set of integers such that if the integer r is in K,

505-555 (Easy) | Statistics and Sets Problems

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

dkverma

04 Aug 2012, 03:39

93

19

29,659

by: bumpbot

10 Apr 2026, 22:53

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If x, y, and z are numbers, is z = 18 ?

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

04 Feb 2014, 01:52

18

6

14,272

by: bumpbot

09 Apr 2026, 13:05

ER -1

A certain list consists of 400 different numbers. Is the average......

505-555 (Easy) | Statistics and Sets Problems

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

nalinnair

22 May 2016, 23:36

173

13

29,012

by: bumpbot

09 Apr 2026, 10:41

ER

A museum received 7 storage crates for an upcoming exhibit including

805+ (Hard) | Statistics and Sets Problems

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Bunuel

02 Apr 2026, 19:00

7

3

332

by: Bunuel

09 Apr 2026, 02:30

ER

GMAT Club Olympics 2025 (Day 7): Jacob, Yuki, and Stephen each took

655-705 (Hard) | Statistics and Sets Problems

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

1, 2, 3, 4, 5

Bunuel

08 Jul 2025, 08:00

82

91

3,103

by: Gmat860sanskar

08 Apr 2026, 09:50

ER

Joe took 20 equally weighted quizzes for his biology class and receive

655-705 (Hard) | Statistics and Sets Problems, Word Problems

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

Bunuel

02 Dec 2019, 01:24

15

4

2,645

by: KarishmaB

07 Apr 2026, 22:03

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P, Q, R, S, T are five distinct positive multiples of 10 suc

655-705 (Hard) | Min-Max Problems, Statistics and Sets Problems

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

amanvermagmat

15 May 2018, 23:06

27

6

4,586

by: KarishmaB

07 Apr 2026, 21:49

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If the average (arithmetic mean) of a, b and c is m, is their standard

555-605 (Medium) | Statistics and Sets Problems

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

MathRevolution

08 Aug 2018, 02:10

16

8

6,545

by: bumpbot

07 Apr 2026, 17:49

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If the average (arithmetic mean) of a, b, c, and d is m, is their stan

655-705 (Hard) | Statistics and Sets Problems

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

MathRevolution

01 Jan 2018, 02:20

21

3

3,357

by: bumpbot

07 Apr 2026, 17:41

ER

Set T is an infinite sequence of positive integers. A

655-705 (Hard) | Statistics and Sets Problems

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

stardustsparklin

07 Jan 2005, 16:41

20

14

9,337

by: Advait01

07 Apr 2026, 10:22

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Is the standard deviation of set A is greater than standard deviation

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

23 Feb 2026, 03:09

44

12

15,242

by: bumpbot

06 Apr 2026, 10:25

ER

Yesterday, an automobile dealership sold exactly 15 vehicles

705-805 (Hard) | Statistics and Sets Problems, Word Problems

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

madhavsrinivas

24 Dec 2013, 02:12

173

15

24,678

by: bumpbot

06 Apr 2026, 06:11

ER

Is the product of all of the elements in Set S negative?

605-655 (Medium) | Statistics and Sets Problems

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

rdevorse

17 Jan 2012, 17:57

55

13

13,226

by: bumpbot

05 Apr 2026, 11:45

ER

In a retail store, the average (arithmetic mean) sale for month M was

605-655 (Medium) | Statistics and Sets Problems

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

Nevernevergiveup

06 Mar 2023, 00:11

103

9

18,258

by: bumpbot

05 Apr 2026, 04:21

ER

How far did Ken jump on his fifth attempt in the state long jump final

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

18 Jul 2018, 01:41

4

2

2,106

by: bumpbot

30 Mar 2026, 08:24

ER

Division R of Company Q has 1,000 employees. What is the average (arit

Sub 505 (Easy) | Statistics and Sets Problems, Word Problems

Sub 505 (Easy) | Statistics and Sets Problems, Word Problems hide tags

getzgetzu

01 Dec 2005, 00:34

47

6

22,791

by: bumpbot

29 Mar 2026, 06:05

ER

The mode of a set of integers is x. what is the difference

805+ (Hard) | Statistics and Sets Problems

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

Smita04

20 Sep 2012, 05:05

118

17

31,181

by: bumpbot

27 Mar 2026, 02:16

ER

If S is the sum of the first n positive integers, what is the value of

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

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

1, 2

abhi758

08 May 2010, 02:11

187

21

31,049

by: juliansorre

26 Mar 2026, 12:43

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In set P above, if y is the median and z is the mode, what is the rati

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

16 Jun 2021, 02:30

1

4

2,736

by: bumpbot

25 Mar 2026, 09:47

ER

12 Days of Christmas GMAT Competition - Day 7: Set A consists of disti

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

20 Dec 2020, 19:00

28

12

5,519

by: bumpbot

25 Mar 2026, 08:41

ER

The range of the heights of the female students in a certain class is

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

12 May 2015, 04:58

70

6

16,694

by: Vivek1707

24 Mar 2026, 05:56

ER

If the sum of the 7 positive integers is smaller than 12, what is the

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

11 Apr 2023, 11:45

5

2

1,886

by: bumpbot

22 Mar 2026, 12:09

ER

What is the median value of the data displayed in the following frequ

555-605 (Medium) | Statistics and Sets Problems

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

MathRevolution

14 Mar 2018, 00:23

5

8

3,274

by: bumpbot

22 Mar 2026, 11:48

ER

What is the median of 12, y, and x? (1) x + y = 24 (2) y = 6

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

26 Apr 2023, 10:30

3

6

1,767

by: bumpbot

22 Mar 2026, 11:41

ER

In a certain company, at least 200 people own manual transmission

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

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

MahmoudFawzy

07 Sep 2019, 11:16

17

5

9,956

by: bumpbot

22 Mar 2026, 07:30

ER

Was the median height of the 25 children in a certain class at least 2

655-705 (Hard) | Statistics and Sets Problems

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

tickledpink001

24 Jan 2024, 01:26

91

8

14,508

by: Borrat

22 Mar 2026, 07:09

ER

12 Days of Christmas GMAT Competition - Day 12: Set A consists of 50

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

25 Dec 2020, 19:00

30

9

4,872

by: bumpbot

20 Mar 2026, 22:30

ER

If the average (arithmetic mean) of the five numbers x, 7, 2, 16 and

555-605 (Medium) | Statistics and Sets Problems

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

1, 2

satishreddy

19 Oct 2010, 00:58

172

21

67,651

by: bumpbot

20 Mar 2026, 01:48

ER

The range of set A is R. A number having a value equal to R is added

805+ (Hard) | Statistics and Sets Problems

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

nusmavrik

23 Aug 2010, 07:55

82

10

16,986

by: bumpbot

18 Mar 2026, 14:08

ER

When there are consecutive integers and if their range is equal to the

705-805 (Hard) | Statistics and Sets Problems

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

MathRevolution

29 Feb 2016, 20:39

20

6

4,671

by: pappal

18 Mar 2026, 14:00

ER

Is the standard deviation of set S greater than the standard deviation

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

17 Jun 2020, 01:45

17

9

8,978

by: bumpbot

17 Mar 2026, 13:22