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

176

15

78,583

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

188,436

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

487,785

by: bb

29 Aug 2025, 13:27

ER

What is the average (arithmetic mean) of 3x and 6y? (1) x + 2y = 7

505-555 (Easy) | Statistics and Sets Problems

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

Carcass

02 Nov 2018, 03:54

10

5

7,460

by: bumpbot

05 Sep 2025, 09:01

ER

Is the average (arithmetic mean) height of Porthos, Athos, and Aramis

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

24 Mar 2026, 08:22

15

7

6,494

by: bumpbot

04 Sep 2025, 08:58

ER

What is the median of the set {a, b, c, d}? 1) The average (arithmetic

705-805 (Hard) | Statistics and Sets Problems

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

Russ19

15 Sep 2021, 04:05

35

6

4,275

by: Pranavsawant

03 Sep 2025, 12:06

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List A ={1, 2, 3, 4, 5, 6, 7, 8, 9, 10} The integers from list A

805+ (Hard) | Number Properties +2 tags

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

kiran120680

13 Jun 2019, 09:13

32

6

7,275

by: bumpbot

03 Sep 2025, 06:16

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If a, b, c, d, and e are integers, is the median of the integers great

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

09 Jan 2024, 02:30

2

3

1,971

by: kabirgandhi

02 Sep 2025, 21:31

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The average (arithmetic mean) earnings of the members of group A

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

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

Bunuel

13 Aug 2025, 22:00

10

3

1,152

by: Bunuel

30 Aug 2025, 09:00

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S is a set of integers such that i) if a is in S, then a is

555-605 (Medium) | Statistics and Sets Problems

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

banksy

24 Feb 2011, 14:15

110

16

23,374

by: Bunuel

30 Aug 2025, 08:54

ER

At a certain high school, there are three sports: baseball,

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

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

mikemcgarry

10 Sep 2013, 15:39

35

4

14,174

by: bumpbot

28 Aug 2025, 07:57

ER

Alice studies for a hours on each of Monday, Tuesday, and Thursday. Sh

605-655 (Medium) | Statistics and Sets Problems

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

MathRevolution

23 Mar 2018, 00:21

9

4

2,876

by: bumpbot

28 Aug 2025, 07:55

ER

If sets A and B have the same number of terms, is the

655-705 (Hard) | Statistics and Sets Problems

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

Smita04

20 May 2012, 22:48

139

17

25,743

by: bumpbot

28 Aug 2025, 03:09

ER

A store sold 6 bicycles with an average sale price of $1,000. What was

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

06 Oct 2015, 05:59

26

9

10,029

by: anushree01

28 Aug 2025, 02:25

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Two football teams, A and B, each played ten games in a season

555-605 (Medium) | Statistics and Sets Problems

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

tapasgupta

14 Jul 2019, 00:10

10

3

5,858

by: bumpbot

27 Aug 2025, 17:13

ER

When 2 numbers are removed from 1, 3, 5, 7, 9, 11, 13, 15, 17, and 19,

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

04 Jan 2023, 02:30

11

6

3,871

by: KRNSW

27 Aug 2025, 11:14

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Committee X and Committee Y , which have no common members

505-555 (Easy) | Statistics and Sets Problems

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

sunland

16 Mar 2012, 01:00

92

14

24,528

by: bumpbot

26 Aug 2025, 20:02

ER

Steve took 5 history exams during a semester. Each score was one of th

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

14 Mar 2018, 01:46

7

4

3,388

by: bumpbot

25 Aug 2025, 11:38

ER

If set S consists of the numbers 1, 5, -2, 8, and n, is 0 <

555-605 (Medium) | Statistics and Sets Problems

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

Stiv

14 May 2012, 12:55

71

13

26,192

by: akhilachitte

24 Aug 2025, 10:13

ER

Six numbers are randomly selected and placed within a set. If the set

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

10 Jun 2018, 05:00

30

16

4,255

by: bumpbot

24 Aug 2025, 04:27

In company X, 70% of the male employees and 38% of the female employee

605-655 (Medium) | Statistics and Sets Problems

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

RenB

19 May 2023, 21:19

17

4

4,733

by: DonBosco7

24 Aug 2025, 01:14

ER

What is the median score of the class?

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

31 Jan 2017, 11:27

6

2

3,467

by: bumpbot

23 Aug 2025, 08:40

ER

If the highest observation in the set S is 3 standard deviations above

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

14 Apr 2023, 01:30

13

2

3,268

by: bumpbot

21 Aug 2025, 09:05

ER

If the average (arithmetic mean) of four different numbers is 30, how

605-655 (Medium) | Statistics and Sets Problems

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

kook44

06 Jun 2019, 02:45

209

14

78,234

by: bumpbot

19 Aug 2025, 22:29

ER

In a certain class of 5 students, the average (arithmetic mean) weight

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

18 Aug 2025, 09:22

25

13

9,418

by: bumpbot

18 Aug 2025, 08:46

ER

If set S consists of the numbers w, x, y, z is the range of

655-705 (Hard) | Statistics and Sets Problems

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

HBSdetermined

01 Sep 2013, 05:21

35

2

7,523

by: bumpbot

18 Aug 2025, 06:32

ER

Set E contains five distinct positive integers {x, 4, 2, 6, y}. Is the

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

21 Nov 2019, 03:34

5

3

2,812

by: bumpbot

17 Aug 2025, 06:08

ER

Last year the average (arithmetic mean) salary of the 10 employees of

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

16 Jul 2012, 04:51

236

12

45,353

by: bumpbot

16 Aug 2025, 13:32

What was the greatest difference between the high and low

605-655 (Medium) | Statistics and Sets Problems

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

ezinis

09 Nov 2009, 19:01

23

14

7,772

by: bumpbot

15 Aug 2025, 06:06

ER

MegaTech and UltraCorp are considering a merger to form the MegaUltraT

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

23 Jul 2025, 22:00

3

4

777

by: Bunuel

13 Aug 2025, 01:20

ER

Consider three positive numbers x, y, and z such that x>y>z. If M is t

705-805 (Hard) | Statistics and Sets Problems

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

TheUltimateWinner

26 Aug 2019, 08:29

9

3

5,418

by: Muqeet

12 Aug 2025, 23:01

ER

What is the standard deviation of the three numbers x, y, and z that h

705-805 (Hard) | Statistics and Sets Problems

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

nislam

08 Jun 2022, 11:32

9

2

2,209

by: bumpbot

11 Aug 2025, 13:48

ER

If P is divisible by 2, is Q + 5 an integer? (1) The median

655-705 (Hard) | Statistics and Sets Problems

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

maheshsrini

02 Oct 2011, 15:45

43

12

12,692

by: bumpbot

09 Aug 2025, 21:40

ER

A bag contains ping pong balls, each with a number written on it. The

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

17 Jun 2018, 06:21

11

3

4,590

by: bumpbot

09 Aug 2025, 21:38

ER

Set S contains exactly four distinct positive integers. Is t

605-655 (Medium) | Statistics and Sets Problems

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

daviesj

07 Jan 2013, 10:30

29

7

9,824

by: bumpbot

09 Aug 2025, 21:35

ER

Team A and Team B have the same numbers of players on them.

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

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

MartyMurray

07 Mar 2026, 09:19

10

1

1,413

by: gmatophobia

09 Aug 2025, 14:09

ER

Each of the 25 books on bookshelf X is thinner than each of the 25 boo

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

18 Jun 2022, 05:30

8

2

3,264

by: bumpbot

09 Aug 2025, 07:02

ER

Set A consists of 8 distinct prime numbers. If x is equal to the range

605-655 (Medium) | Statistics and Sets Problems

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

Bunuel

11 Aug 2021, 03:30

28

7

10,154

by: bumpbot

06 Aug 2025, 04:22

ER

If list S contains nine distinct integers, at least one of w

805+ (Hard) | Statistics and Sets Problems

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

Rock750

24 Jun 2013, 03:07

110

15

22,096

by: bumpbot

05 Aug 2025, 05:56

ER

A certain ski shop sold 125 pairs of skis and 100 pairs of ski boots

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

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

parkhydel

28 Apr 2020, 04:50

21

3

10,617

by: bumpbot

05 Aug 2025, 05:53

ER

Ten different items are for sale in a store, and each is

655-705 (Hard) | Statistics and Sets Problems

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

manimani

26 Jun 2012, 07:36

11

5

7,355

by: bumpbot

04 Aug 2025, 09:02

ER

25 integers are written on a board. Are there at least two consecutive

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

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

Bunuel

08 Apr 2015, 05:27

40

15

10,085

by: bumpbot

03 Aug 2025, 13:32

ER

If the eleven consecutive integers are listed from least to greatest,

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

01 Jul 2018, 20:45

27

3

10,382

by: bumpbot

03 Aug 2025, 09:54

ER

The average of Set S is greater than that of Set B. Is the median of S

555-605 (Medium) | Statistics and Sets Problems

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

TheUltimateWinner

23 Aug 2019, 09:38

2

3

2,399

by: bumpbot

02 Aug 2025, 04:53

ER

GMAT Club World Cup 2022 (DAY 2): Is the range of a set of hundred

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

12 Jul 2022, 08:00

22

13

5,317

by: bumpbot

02 Aug 2025, 04:00

ER

Set X consists of seven consecutive integers, and Set Y consists of

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

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

BN1989

03 Mar 2012, 06:41

90

10

11,244

by: bumpbot

01 Aug 2025, 22:26

ER

For the list of numbers above, what is the range?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

20 May 2017, 05:25

32

9

7,670

by: Bunuel

01 Aug 2025, 13:15

ER

There are 5 integers such that the difference of the biggest number an

705-805 (Hard) | Statistics and Sets Problems

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

BillyZ

27 Mar 2017, 17:59

17

4

2,809

by: bumpbot

31 Jul 2025, 20:05

ER

Five coffee-chicory blends - J, K, L, M, and N - are all priced

705-805 (Hard) | Non-Math Related +2 tags

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

GMATCoachBen

06 Feb 2024, 18:30

143

9

14,336

by: goaltop30mba

31 Jul 2025, 15:32

ER

In a room of men and women, the average weight of the women is 120 lbs

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

31 Jul 2025, 06:38

2

1

694

by: agrasan

31 Jul 2025, 07:33

ER

Set J consists of terms {2, 7, 12, 17, a}. Is a > 7? (1) a is the

555-605 (Medium) | Statistics and Sets Problems

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

1, 2

Bunuel

07 Apr 2020, 05:26

13

21

6,667

by: bumpbot

29 Jul 2025, 23:11

ER

Jim had four tests, with each grade being an integer. Did Jim score 10

505-555 (Easy) | Statistics and Sets Problems

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

Bunuel

27 Jul 2025, 22:00

3

566

by: Missinga

28 Jul 2025, 17:59

ER

The cost of each adult's ticket for a certain concert was $3

555-605 (Medium) | Statistics and Sets Problems

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

wshaffer

18 Feb 2014, 01:14

31

9

18,231

by: bumpbot

28 Jul 2025, 11:21