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

180

15

80,891

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

860

24

189,534

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

489,344

by: bb

29 Aug 2025, 13:27

ER

Each baby born at a certain hospital last week was either a single bir

555-605 (Medium) | Number Properties, Word Problems

555-605 (Medium) | Number Properties, Word Problems hide tags

NoHalfMeasures

05 Jun 2014, 03:29

70

10

18,848

by: bumpbot

28 May 2026, 05:07

ER

Ann, Beth, and Steve each spent some amount of time

555-605 (Medium) | Statistics and Sets Problems

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

gmat2324

30 Jun 2024, 14:35

34

8

6,670

by: bumpbot

28 May 2026, 02:57

ER

Last Saturday a certain circus charged $6 per adult ticket and $3 per

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

guddo

24 Jan 2024, 02:25

32

4

5,934

by: Borrat

25 May 2026, 04:22

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

3

878

by: Usernamevisible

25 May 2026, 00:10

ER

In Area X, for three continuous days in a certain month of 2012, five

705-805 (Hard) | Non-Math Related

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

gemministorm

22 Nov 2025, 12:59

20

10

1,953

by: Bunuel

24 May 2026, 12:24

ER

A gourmet cheese shop sold several orders of English Stilton and Span

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

11 Aug 2023, 10:00

139

11

29,751

by: bumpbot

24 May 2026, 08:17

ER

The figure above shows an array of 30 square tiles, each of which is

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

17 Apr 2024, 14:32

36

2

8,702

by: bumpbot

21 May 2026, 03:22

ER

A box contains 10 light bulbs, fewer than half of which are defective.

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

1, 2

marcodonzelli

20 Nov 2023, 08:14

456

27

68,461

by: Usernamevisible

19 May 2026, 23:32

ER

The value of Machine 1 depreciates x% per year and the value of Machin

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

edwin.que

01 Nov 2023, 22:30

72

7

13,489

by: KarishmaB

18 May 2026, 01:05

ER

Last week Linda and Nancy each worked 40 regular hours at the same

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

guddo

24 Jan 2024, 04:03

34

6

6,460

by: bumpbot

14 May 2026, 18:49

ER

A certain company operates a website, Z,

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Brownbatman

20 Nov 2025, 13:40

15

4

2,093

by: eaat

13 May 2026, 07:41

ER

Two (or more) lines of a poem are said to rhyme when the final word of

655-705 (Hard) | Non-Math Related

655-705 (Hard) | Non-Math Related hide tags

dredwulf

04 Dec 2025, 00:09

32

19

4,005

by: SomethingSomw

12 May 2026, 22:46

ER

Last month Alex spent $91 on video game rentals, spending $5 for each

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

MclLaurent

30 Dec 2023, 03:05

71

7

15,294

by: crimson_noise

10 May 2026, 09:00

ER

Simon and Tara, who live in Neighborhood Z, wish to watch a movie toge

Sub 505 (Easy) | Non-Math Related

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

GMATF685

16 Nov 2023, 22:17

15

3

5,479

by: bumpbot

10 May 2026, 06:13

ER

Sheldon left his house at 8:30 a.m. and drove to his friend's house

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

03 Aug 2023, 10:00

166

17

31,707

by: Bunuel

10 May 2026, 05:40

ER

At a certain banquet, meals were served in only 2 locations. In the

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

guddo

24 Jan 2024, 03:53

71

9

10,441

by: RSaurastri

05 May 2026, 23:24

ER

A furniture manufacturer produced at least 3 cabinets each day for the

705-805 (Hard) | Statistics and Sets Problems

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

gracieguidotti

12 Jan 2024, 09:28

142

8

16,583

by: bumpbot

05 May 2026, 10:52

ER

Last month Grace worked, and was paid for, a total of x hours. Some of

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

fozzzy

17 Jan 2013, 06:50

115

11

23,253

by: bumpbot

02 May 2026, 11:35

ER

Each dinner at Restaurant X includes a pair of side dishes, which

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

Bunuel

10 Aug 2023, 05:00

97

5

22,402

by: Bunuel

01 May 2026, 23:50

ER

Kate invested x dollars, where X 2 1,000, for one year in a new

605-655 (Medium) | Percent and Interest Problems

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

Bunuel

24 Mar 2024, 05:53

40

4

10,899

by: RSaurastri

01 May 2026, 02:01

ER

A stretch of highway, Segment X, has no traffic signals and comprises

705-805 (Hard) | Distance and Speed Problems

705-805 (Hard) | Distance and Speed Problems hide tags

GMATF685

16 Nov 2023, 09:45

47

11

8,099

by: Usernamevisible

01 May 2026, 00:36

ER

The 50 participants of a management training seminar ate dinner at a

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

08 Aug 2023, 10:00

153

12

32,335

by: Siddharth17

30 Apr 2026, 05:20

ER

A certain income tax is graduated according to the table above. For

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

27 Feb 2024, 12:16

60

7

11,239

by: bumpbot

29 Apr 2026, 02:52

ER

If the prices of four of the five books that Ann bought are $4, $6, $1

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

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

Bhide

26 Dec 2023, 23:55

160

11

16,409

by: bumpbot

28 Apr 2026, 01:42

ER

For what percent of those tested for a certain infection was the test

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

gmatbull

06 Jan 2013, 02:59

107

9

25,656

by: bumpbot

27 Apr 2026, 19:49

ER

Julian had five indoor potted plants, each of which - in order to

655-705 (Hard) | Non-Math Related

655-705 (Hard) | Non-Math Related hide tags

HarshitaV

24 Nov 2025, 09:46

14

3

1,817

by: Harsh_

26 Apr 2026, 11:43

ER

Of the 40 researchers at a certain company, 60 percent work on project

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

guddo

24 Jan 2024, 02:39

33

9

8,469

by: Harsh_

26 Apr 2026, 11:11

ER

If 50 people paid a total of $110 for tickets to attend a certain high

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

guddo

24 Jan 2024, 04:15

37

3

8,788

by: keshubhturakhia

26 Apr 2026, 04:50

ER

When a certain drug was administered to a group of patients, some pati

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

edwin.que

01 Nov 2023, 22:31

141

8

18,745

by: bumpbot

19 Apr 2026, 04:32

ER

At a history museum, the price of each regular admission ticket sold

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

GMAT695

01 Oct 2024, 02:20

37

5

7,846

by: GMAT1034

15 Apr 2026, 12:10

ER

When David drove from his home to his parents' home, was his average

605-655 (Medium) | Arithmetic, Distance and Speed Problems

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

Laracbo

27 Feb 2024, 16:52

136

12

16,299

by: Bunuel

14 Apr 2026, 21:55

ER

If $10,000 invested for one year at x percent simple annual interest y

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Confide

16 Feb 2024, 09:58

4

2

3,546

by: Fucio

14 Apr 2026, 07:48

ER

A company has a total of 1,650 employees, some of whom are office work

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

guddo

24 Jan 2024, 02:13

46

4

11,567

by: Harsh_

14 Apr 2026, 07:42

ER

Alan, Beth, and Chad all needed to use a printerwhose toner cartridge

705-805 (Hard) | Non-Math Related

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

SharukhB

12 Apr 2026, 05:13

10

6

490

by: Bunuel

14 Apr 2026, 03:28

ER

Of five people-P, Q, R, S, and T-three form a set of triplets and two

705-805 (Hard) | Non-Math Related

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

sgoenka8

18 Dec 2025, 07:43

11

7

1,550

by: axeofflane

13 Apr 2026, 22:25

ER

If the closing price of stock X on the first trading day last year

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

nick13

01 Nov 2023, 15:20

68

10

11,976

by: Bunuel

13 Apr 2026, 04:43

ER

A certain company currently has how many employees?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

justtapas

02 Nov 2012, 23:22

28

4

19,931

by: bumpbot

11 Apr 2026, 03:15

Andrew and Clair each purchased a book, and the list prices of their

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

guddo

24 Jan 2024, 03:59

9

2

3,943

by: bumpbot

11 Apr 2026, 03:01

ER

Professional tasters rate the sweetness of a food or beverage

805+ (Hard) | Mixture Problems

805+ (Hard) | Mixture Problems hide tags

gsnunes

23 Nov 2025, 10:49

40

16

4,017

by: Puranjaysapra

07 Apr 2026, 21:48

ER

At a certain store, the retail price of a coat was p percent less than

705-805 (Hard) | Percent and Interest Problems

705-805 (Hard) | Percent and Interest Problems hide tags

edwin.que

24 Jan 2024, 02:15

133

13

19,256

by: bumpbot

05 Apr 2026, 07:20

ER

Two people are to be selected at random from a certain group that

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

asdfghjkl5271

06 Nov 2023, 18:16

179

14

20,017

by: Adit_

05 Apr 2026, 02:06

ER

A clothing store's revenue last May was 6 percent less than

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

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

mun23

20 Nov 2023, 07:17

318

18

39,309

by: bumpbot

28 Mar 2026, 02:07

ER

Kelly invested in two different funds, Fund F and Fund M

655-705 (Hard) | Percent and Interest Problems

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

gmatophobia

30 Dec 2023, 03:20

78

11

12,626

by: bumpbot

28 Mar 2026, 01:58

ER

Store A and Store B in a residential complex supply eggs in cartons of

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Tucky

26 Nov 2025, 08:30

33

9

2,504

by: MartyMurray

24 Mar 2026, 08:14

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

160

12

16,456

by: Bunuel

22 Mar 2026, 11:59

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

17,314

by: bumpbot

22 Mar 2026, 09:48

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

95

8

14,837

by: Borrat

22 Mar 2026, 07:09

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

57

6

9,951

by: Borrat

22 Mar 2026, 05:51

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

123

13

15,800

by: kartickdey

21 Mar 2026, 03:35

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

254

13

37,407

by: kartickdey

20 Mar 2026, 11:15