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

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

At a certain library, 1600 books were checked out by patrons yesterday

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

mmdfl

04 Feb 2024, 11:17

156

12

16,109

by: Bunuel

22 Mar 2026, 11:59

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

Sofia will attend a sequence of daily training sessions for her job.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

bimalr9

11 Jul 2016, 03:04

66

7

17,172

by: bumpbot

22 Mar 2026, 09:48

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

A school administrator will assign each student in a group

805+ (Hard) | Multiples and Factors, Word Problems

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

1, 2, 3

gwiz87

03 Jun 2021, 01:59

1.8k

59

138,175

by: bumpbot

22 Mar 2026, 07:04

On the Celsius scale of temperature, water freezes at 0° and boils at

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Borrat

22 Mar 2026, 06:53

1

0

461

by: Borrat

22 Mar 2026, 06:53

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In a certain group of people, the average (arithmetic mean) weight of

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

gmatt1476

21 Sep 2019, 17:17

40

9

16,499

by: bumpbot

22 Mar 2026, 06:48

ER

Retailer Z acquired a certain refrigerator and then sold it

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Fish181

25 Mar 2024, 10:01

55

6

9,768

by: Borrat

22 Mar 2026, 05:51

ER

Can regular exercise reduce the risk of chronic diseases?

Sub 505 (Easy) | Non-Math Related

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

guddo

14 Aug 2024, 09:38

10

9

4,059

by: JustKeepGoing

22 Mar 2026, 02:28

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

4,201

by: JustKeepGoing

22 Mar 2026, 02:20

ER

Does effective advertising require a higher budget expense than

505-555 (Easy) | Non-Math Related

505-555 (Easy) | Non-Math Related hide tags

guddo

14 Aug 2024, 07:17

21

4

4,108

by: JustKeepGoing

22 Mar 2026, 02:13

ER

When Oswaldo was promoted, he expected his salary to increas

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

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

kevincan

20 Mar 2026, 04:11

2

1

280

by: shivani1351

22 Mar 2026, 01:07

ER

Fairview department store bought a number of regular-

805+ (Hard) | Percent and Interest Problems, Word Problems

805+ (Hard) | Percent and Interest Problems, Word Problems hide tags

kevincan

20 Mar 2026, 14:25

4

6

348

by: Advait01

21 Mar 2026, 23:34

ER

At the 2016 convention for Aim Far Motivational Society (AFMS), each

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

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

Bunuel

17 Jul 2016, 11:29

12

6

4,589

by: bumpbot

21 Mar 2026, 11:02

ER

The table above shows the car rental charges at Thrifty Agency. The da

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

gmatt1476

21 Sep 2019, 16:59

66

18

17,774

by: bumpbot

21 Mar 2026, 05:20

ER

An object was thrown upward from the top of a building. The object tra

705-805 (Hard) | Algebra, Word Problems

705-805 (Hard) | Algebra, Word Problems hide tags

yrozenblum

29 Oct 2023, 13:17

120

13

15,550

by: kartickdey

21 Mar 2026, 03:35

ER

The number 100 is what percent greater than x?

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

06 Nov 2019, 02:25

13

9

6,014

by: bumpbot

21 Mar 2026, 03:29

ER

Alfred and Botham are the residents of a colony. Alfred and Botham

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

Bunuel

10 Jun 2024, 01:31

15

6

1,895

by: Advait01

20 Mar 2026, 22:56

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

Last year in Country X, 15% of all students who received an undergrad

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

10 Aug 2023, 10:00

252

13

37,079

by: kartickdey

20 Mar 2026, 11:15

ER

Schwartz Bank has more than 100 interns. Of the m male inter

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

kevincan

21 Mar 2026, 01:35

2

1

285

by: kittiponrw

20 Mar 2026, 07:40

ER

Three dice, each of which has its 6 sides numbered 1 through 6, are to

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

16 Jun 2016, 05:43

229

16

41,330

by: bumpbot

20 Mar 2026, 07:01

ER

Printing presses, Press A and Press B, are used to print the daily edi

555-605 (Medium) | Work and Rate Problems

555-605 (Medium) | Work and Rate Problems hide tags

gmatophobia

30 Dec 2023, 02:05

54

5

11,335

by: bumpbot

20 Mar 2026, 06:58

ER

If p and n are positive integers and p > n, what is the remainder when

705-805 (Hard) | Remainders

705-805 (Hard) | Remainders hide tags

1, 2

BANON

23 Feb 2012, 08:10

598

30

100,813

by: Bunuel

20 Mar 2026, 06:03

ER

Many companies in Belleville plan to hire workers in the nea

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

kevincan

20 Mar 2026, 00:48

2

1

285

by: repellatquas

20 Mar 2026, 06:01

ER

At Western Springs School there are 150 total students

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

maglian

04 Jan 2013, 05:04

31

14

12,368

by: iamjatinagrawal

20 Mar 2026, 04:38

ER

Jack used to save 20% of his monthly salary. His salary increased by

605-655 (Medium) | Percent and Interest Problems

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

ExpertsGlobal5

08 Feb 2026, 20:00

8

6

798

by: lucas898

20 Mar 2026, 04:29

ER

Two cyclists are racing up a mountain at different constant

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

Asifpirlo

21 Aug 2013, 18:08

37

7

12,445

by: Bunuel

20 Mar 2026, 03:14

ER

A man uses a biased dice to decide whether to go ahead with

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

28 Oct 2025, 00:17

5

3

937

by: Adit_

20 Mar 2026, 03:03

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

During a 40-mile trip, Marla traveled at an average speed of

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

LM

27 Apr 2010, 09:55

429

18

75,851

by: bumpbot

20 Mar 2026, 01:30

ER

A fair six-sided dice was rolled n times. What is the value of n?

605-655 (Medium) | Combinations, Probability

605-655 (Medium) | Combinations, Probability hide tags

Bunuel

14 Mar 2018, 23:47

137

13

20,445

by: Advait01

19 Mar 2026, 22:59

ER

If Company M ordered a total of 50 computers and printers an

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

mjg2110

21 Jan 2016, 05:34

87

16

27,055

by: bumpbot

19 Mar 2026, 11:51

ER

Should the choices made by 100 participants in a survey about Product

705-805 (Hard) | Non-Math Related

705-805 (Hard) | Non-Math Related hide tags

GMATinsight

14 Aug 2024, 09:21

112

10

8,594

by: vallequalle

19 Mar 2026, 11:39

ER

A manufacturer conducted a survey to determine how many peop

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

1, 2

144144

10 Dec 2010, 12:32

337

20

73,688

by: bumpbot

19 Mar 2026, 11:22

ER

Events E and F are independent. Is the probability that both events E

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

MathRevolution

13 Feb 2018, 01:38

41

4

7,198

by: bumpbot

19 Mar 2026, 03:28

ER

If there are a certain number of students in a classroom, what is the

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

09 Jan 2025, 01:30

18

5

2,252

by: bumpbot

19 Mar 2026, 03:25

ER

The temperature of a place at noon on a certain day is 25% higher than

555-605 (Medium) | Percent and Interest Problems, Word Problems

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

EgmatQuantExpert

22 Jan 2017, 02:10

8

5

4,210

by: Gmat860sanskar

18 Mar 2026, 23:19

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

4,672

by: pappal

18 Mar 2026, 14:00

ER

If the book value of a certain piece of equipment was $5,000 exactly

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

23 May 2020, 08:39

84

12

16,162

by: bumpbot

18 Mar 2026, 05:49

ER

Three salespeople — A, B, and C — sold a total of 500 products among

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

17 Oct 2020, 13:14

6

7

1,788

by: bumpbot

18 Mar 2026, 03:52

ER

In the game Cako, a player is awarded one tick for every third Alb cap

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

22 Sep 2021, 05:30

15

4

6,827

by: LeoLong2

18 Mar 2026, 00:57

ER

The sequence a1, a2, a3, ..., an, ... is such that an - a(n+1) = a(n+)

605-655 (Medium) | Sequences

605-655 (Medium) | Sequences hide tags

bz9

22 Feb 2007, 21:55

10

2

10,717

by: bumpbot

17 Mar 2026, 21:26

ER

100 residents of a city were surveyed and each one read at least one

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

Bunuel

08 Dec 2019, 23:58

16

11

9,024

by: bumpbot

17 Mar 2026, 20:12

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

ER

How many more men than women are in the room?

Sub 505 (Easy) | Algebra, Word Problems

Sub 505 (Easy) | Algebra, Word Problems hide tags

Bunuel

16 May 2018, 06:47

11

9

11,037

by: bumpbot

17 Mar 2026, 11:15