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

83,800

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

863

24

191,818

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

491,800

by: bb

29 Aug 2025, 13:27

ER

Last year 3/5 of the members of a certain club were males. This year

805+ (Hard) | Fractions and Ratios

805+ (Hard) | Fractions and Ratios hide tags

1, 2

Carcass

27 Jul 2017, 08:17

571

21

49,239

by: imaityaroy

29 May 2026, 04:09

A list of positive numbers 'L' has all integer values. What is the

705-805 (Hard) | Statistics and Sets Problems

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

amanvermagmat

15 Jan 2019, 22:04

10

9

2,666

by: bumpbot

29 May 2026, 03:13

ER

A club has 80 members, each of which practice one or more of tennis,

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

amanvermagmat

08 Dec 2018, 22:58

14

3

3,034

by: bumpbot

29 May 2026, 03:03

ER

Three teaching assistants- Mike, Rafael, and Joanna - wrote all

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

28 May 2026, 12:57

2

254

by: prepapr

29 May 2026, 00:09

ER

Two boys, Joe and Seth, can mow a lawn in 2 hours thirty minutes. If 3

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

Bunuel

16 Jan 2017, 09:35

5

2

3,703

by: bumpbot

29 May 2026, 00:01

ER

The total cost of a car consisted of the price of the car and the sale

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

08 Jun 2026, 00:02

1

230

by: Bunuel

28 May 2026, 11:30

A certain military vehicle can run on pure Fuel X, pure Fuel Y, or any

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

shobuj40

23 Jul 2015, 10:38

110

7

14,822

by: bumpbot

28 May 2026, 11:10

ER

At two specialty food stalls, Green Market and Riverside Market, the

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

04 May 2026, 19:00

6

472

by: Bunuel

28 May 2026, 09:56

ER

At the end of the year 2001, Monica and Chandler each purchased a cert

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

24 Nov 2025, 23:29

8

944

by: prepapr

28 May 2026, 07:25

There are some boys and girls present in a class apart from teacher,

555-605 (Medium) | Arithmetic, Combinations

555-605 (Medium) | Arithmetic, Combinations hide tags

amanvermagmat

05 Jun 2018, 11:52

24

2

6,241

by: vrinda6

28 May 2026, 06:34

ER

On her way home from work, Janet drives through several

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

tarek99

31 Mar 2008, 12:57

102

13

38,808

by: bumpbot

28 May 2026, 05:16

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

71

10

18,979

by: bumpbot

28 May 2026, 05:07

ER

Which of Company X and Company Y earned the greater gross profit last

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

maybeam

05 Jun 2019, 05:03

108

18

36,725

by: bumpbot

28 May 2026, 03:10

ER

If m is a positive odd integer, what is the average (arithmetic mean)

555-605 (Medium) | Statistics and Sets Problems

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

rigger

17 Oct 2019, 04:52

68

9

22,417

by: bumpbot

28 May 2026, 03:00

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

36

8

6,775

by: bumpbot

28 May 2026, 02:57

ER

Machines K, M, and N, each working alone at its constant rate, produce

705-805 (Hard) | Work and Rate Problems

705-805 (Hard) | Work and Rate Problems hide tags

1, 2

parkhydel

28 Apr 2020, 05:19

472

22

32,801

by: bumpbot

28 May 2026, 01:00

ER

Beginning in January of last year, Carl made deposits of $120 into his

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

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

mydreammba

01 Jun 2021, 03:33

1.1k

17

87,336

by: bumpbot

28 May 2026, 00:57

ER

A certain company has 255 employees. If an employee is to be selected

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

1, 2

unuk50

19 Jun 2016, 05:17

173

20

40,701

by: bumpbot

28 May 2026, 00:57

ER

An airplane has a passenger cabin with seats arranged in rows of 6 wit

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Aabhash777

18 May 2025, 01:54

8

4

3,134

by: gullyboy09

27 May 2026, 22:46

ER

At the bakery, Lew spent a total of $6.00 for one kind of

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

pmal04

27 Jul 2015, 14:51

99

12

24,056

by: bumpbot

27 May 2026, 12:09

ER

GMAT Club World Cup 2022 (DAY 6): A poll conducted on the Wembley Stad

805+ (Hard) | Overlapping Sets, Word Problems

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

Bunuel

18 Jul 2022, 08:00

23

15

4,427

by: bumpbot

27 May 2026, 07:26

ER

A set of positive integers contains twice as many even integers as odd

805+ (Hard) | Multiples and Factors +2 tags

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

Bunuel

31 Aug 2015, 10:31

41

7

7,131

by: bumpbot

27 May 2026, 05:53

ER

A car moving at an average speed of x miles/hr, traveled

805+ (Hard) | Distance and Speed Problems

805+ (Hard) | Distance and Speed Problems hide tags

SVaidyaraman

26 Jul 2013, 07:10

24

10

7,499

by: bumpbot

27 May 2026, 05:27

ER

The probability that event E occurs is 0.8 and the probability that

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

av1901

02 Nov 2022, 09:28

15

2

3,282

by: BongBideshini

26 May 2026, 11:35

ER

What is a limiting factor when it comes to us using the most effective

555-605 (Medium) | Non-Math Related

555-605 (Medium) | Non-Math Related hide tags

guddo

14 Aug 2024, 03:22

30

5

5,049

by: bumpbot

26 May 2026, 10:47

ER

How many more first-time jobless claims were filed in week P than in

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

01 Jul 2018, 21:45

16

4

6,585

by: Lanolin13

26 May 2026, 07:57

ER

Mohit went cycling on 10 consecutive days. Every day he started from

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

gmatt1476

30 May 2024, 12:14

16

10

6,113

by: Gmat860sanskar

26 May 2026, 05:06

ER

Stations X and Y are connected by two separate, straight, parallel

705-805 (Hard) | Distance and Speed Problems

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

1, 2

tenaman10

29 Mar 2009, 20:09

574

23

69,795

by: Bunuel

26 May 2026, 02:37

ER

A can complete a piece of work in x days and B can do the same piece

555-605 (Medium) | Work and Rate Problems

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

Bunuel

26 Jun 2024, 01:30

9

3

1,591

by: impatientdude

26 May 2026, 02:31

ER

In a single row of yellow, green and red colored tiles

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

hogann

14 Oct 2009, 06:18

130

12

38,207

by: bumpbot

25 May 2026, 10:43

ER

12 Days of Christmas GMAT Competition - Day 1: David deposits money

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

16 Dec 2024, 09:00

51

13

6,317

by: bumpbot

25 May 2026, 10:28

ER

8 schools sent a total of 96 students to a math club competition, with

805+ (Hard) | Min-Max Problems

805+ (Hard) | Min-Max Problems hide tags

earnit

17 Oct 2014, 15:33

99

10

15,484

by: bumpbot

25 May 2026, 09:51

ER

A construction company was paid a total of $500,000 for a construction

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

1, 2

asch13

22 Jul 2010, 11:55

355

20

66,424

by: sujoykrdatta

25 May 2026, 07:45

ER

A survey was conducted to find out how many TV show viewers voted for

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

28 Nov 2024, 01:30

3

1,402

by: bumpbot

25 May 2026, 07:10

ER

Machines X and Y work at their respective constant rates. How many mor

655-705 (Hard) | Work and Rate Problems

655-705 (Hard) | Work and Rate Problems hide tags

1, 2

ravitejapandiri

18 Sep 2010, 21:13

422

29

100,934

by: Usernamevisible

25 May 2026, 06:55

ER

The figure above represents the floor plan of an art gallery that has

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

19 Sep 2022, 08:36

141

14

26,080

by: Usernamevisible

25 May 2026, 05:43

ER

Six kids will be lined up from left to right. Boys may not be at eithe

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

Bunuel

13 Sep 2022, 08:48

31

4

4,719

by: SmoothFlame

25 May 2026, 05:10

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

33

4

6,015

by: Borrat

25 May 2026, 04:22

ER

What is the first term of an arithmetic progression of positive intege

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

Bunuel

25 Sep 2019, 05:34

10

8

6,625

by: BongBideshini

25 May 2026, 02:35

ER

145 people were surveyed to find out whether they like or dislike Prod

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

02 Oct 2019, 21:08

17

10

3,929

by: bumpbot

24 May 2026, 20:00

ER

The Financial News Daily has 25 reporters covering Asia, 20 covering

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

18 Jan 2026, 17:15

1

392

by: AllisonBell

24 May 2026, 18:37

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

22

10

2,046

by: Bunuel

24 May 2026, 12:24

ER

A shopkeeper offered discounts on the sale price of a book and the sal

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

28 Apr 2021, 07:00

12

2

3,792

by: ShreyaMittal1609

24 May 2026, 09:40

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

142

11

29,924

by: bumpbot

24 May 2026, 08:17

ER

What is the value of 5x^2 + 4x - 1 ? (1) x(x + 2) = 0 (2) x = 0

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

23 Sep 2018, 21:52

15

7

14,008

by: minionbaba

24 May 2026, 06:52

ER

Will a company lose sales if its strategy focuses on consumer

505-555 (Easy) | Non-Math Related

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

guddo

14 Aug 2024, 02:43

7

6

4,211

by: bumpbot

24 May 2026, 06:04

ER

A certain salesman's yearly income is determined by a base salary plus

705-805 (Hard) | Percent and Interest Problems

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

Bunuel

30 Dec 2024, 01:30

7

4

1,468

by: Usernamevisible

24 May 2026, 04:30

ER

Jack and Mark both received hourly wage increases of 6 perce

605-655 (Medium) | Percent and Interest Problems

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

docabuzar

05 Mar 2013, 07:23

187

10

45,911

by: bumpbot

24 May 2026, 04:07

ER

Six countries in a certain region sent a total of 75 representatives

655-705 (Hard) | Min-Max Problems, Word Problems

655-705 (Hard) | Min-Max Problems, Word Problems hide tags

1, 2

LM

27 Apr 2010, 09:57

719

25

110,072

by: bumpbot

24 May 2026, 02:10

ER

If |x + 2| = 4, what is the value of x ? (1) x^2 ≠ 4 (2) x^2 = 36

505-555 (Easy) | Absolute Values

505-555 (Easy) | Absolute Values hide tags

Bunuel

11 Aug 2010, 17:38

47

10

32,838

by: vrinda6

24 May 2026, 01:38