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

78,661

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

188,481

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

487,876

by: bb

29 Aug 2025, 13:27

ER

A bag contains five stones, three of which weigh x pounds each and two

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

02 Aug 2023, 01:30

2

2,090

by: bumpbot

03 Jan 2026, 06:12

A bag contains four types of coins: 5-cent coins, 10 cent coins, 50-ce

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

RenB

19 Aug 2023, 01:00

24

5

4,596

by: bumpbot

17 Jul 2025, 05:16

ER

A bag contains only 3 different colours and atleast one ball of red

655-705 (Hard) | Probability, Word Problems

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

chetan2u

13 Feb 2017, 19:33

16

7

4,526

by: bumpbot

24 Mar 2022, 01:28

ER

A bag contains only black and white balls. What is the probability

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

Bunuel

10 Apr 2025, 00:30

3

4

884

by: NextstopISB

10 Apr 2025, 21:09

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A bag contains only black red and gold balls. Any ball is equally like

805+ (Hard) | Probability

805+ (Hard) | Probability hide tags

Bunuel

11 Oct 2021, 01:30

10

6

4,554

by: bumpbot

24 Dec 2025, 21:37

ER

A bag contains only red and white ball. How many red balls does it hav

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

chetan2u

21 Jan 2016, 07:33

22

10

5,148

by: bumpbot

01 Jun 2025, 15:23

ER

A bag contains only two types of coins: 10 cent coins or 1 dollar coin

655-705 (Hard) | Fractions and Ratios

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

rheam25

09 Feb 2020, 07:51

14

4

4,890

by: bumpbot

18 Apr 2023, 10:39

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

4,591

by: bumpbot

09 Aug 2025, 21:38

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A bag contains r red, g green, and w white marbles, where r, g and w

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Bunuel

13 May 2020, 01:57

22

5

4,120

by: bumpbot

28 Nov 2024, 18:19

ER

A bag contains red balls that weigh 100 grams each and green balls tha

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

27 May 2022, 03:48

4

2

1,613

by: bumpbot

15 May 2025, 13:53

ER

A bag has red, blue, and white balls. What percentage of balls in the

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

ExpertsGlobal5

16 Feb 2026, 20:00

6

3

413

by: ExpertsGlobal5

21 Feb 2026, 05:00

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A bag has red, blue, green, and yellow marbles in the ratio 6:5:2:2.

555-605 (Medium) | Fractions and Ratios, Word Problems

555-605 (Medium) | Fractions and Ratios, Word Problems hide tags

Bunuel

28 Apr 2021, 08:30

3

2

3,115

by: bumpbot

23 Jan 2026, 10:03

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A bag holds 3 gold rings, 7 silver rings, and 9 bronze rings. If John

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

26 Dec 2023, 02:30

1

1,288

by: CEO2021

26 Dec 2023, 04:56

ER

A bag of 100 jellybeans contains cherry, licorice, and orange

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

28 Mar 2024, 01:30

12

3

2,044

by: Gmat860sanskar

06 Apr 2026, 11:46

ER

A bag of coins contains only nickels, dimes, and quarters. There are 3

605-655 (Medium) | Algebra, Word Problems

605-655 (Medium) | Algebra, Word Problems hide tags

Bunuel

20 Dec 2018, 02:20

14

3

7,849

by: bumpbot

20 Jun 2025, 22:43

ER

A bag of marbles consist of a mixture of black and red marbles. What

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

29 Apr 2024, 01:30

6

2

1,669

by: bumpbot

19 Jul 2025, 00:32

ER

A bake sale sells only individual cupcakes and boxes of cookies. If cu

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

25 Feb 2020, 03:34

1

3

4,283

by: Jihyo

15 May 2021, 09:04

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A baker makes 5 types of pies: cherry, apple, peach, blackberry, and

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Poor Quality hide tags

mrr0821

24 Sep 2020, 03:14

1

806

by: IanStewart

24 Sep 2020, 05:31

ER

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

281

by: Bunuel

16 Apr 2026, 02:45

ER

A bakery sells white bread for certain price and rye bread for a certa

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

10 Sep 2017, 04:52

3

2

2,188

by: bumpbot

17 Jun 2021, 05:36

ER

A ball is randomly selected from a box containing white balls and

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

BrentGMATPrepNow

14 Feb 2017, 07:06

40

14

11,419

by: bumpbot

10 Feb 2026, 23:03

ER

A ball was thrown from the origin at an angle with the ground (horizon

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

30 Jun 2022, 01:30

5

3

1,552

by: nandini14

22 Oct 2025, 11:09

ER

A bank account earned 2% annual interest, compounded daily, for as lon

655-705 (Hard) | Percent and Interest Problems

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

gmatt1476

21 Sep 2019, 19:02

314

13

25,510

by: Bunuel

21 Sep 2025, 13:38

ER

A bank compounds interest for its customers annually. How much

Sub 505 (Easy) | Percent and Interest Problems

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

Bunuel

02 May 2024, 01:30

3

2

1,274

by: Akkiiii

02 May 2024, 10:27

ER

A bank has 2 paper shedding machines, one large and one small

555-605 (Medium) | Work and Rate Problems

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

houston1980

01 Jul 2023, 09:32

136

3

24,332

by: bumpbot

06 Aug 2025, 08:39

ER

A barrel contains only red balls, white balls, and brown balls. If two

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

gauravsoni

24 Oct 2017, 21:59

37

8

8,909

by: bumpbot

18 Mar 2025, 05:54

ER

A bartender is mixing soda water, which contains 8% syrup, with fruit

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

Bunuel

13 Apr 2026, 04:46

5

2

1,342

by: Bunuel

10 May 2025, 22:30

ER

A bartender mixes drink A with drink B. If drink A contains 24 percent

505-555 (Easy) | Mixture Problems

505-555 (Easy) | Mixture Problems hide tags

Bunuel

07 Jan 2015, 07:34

15

7

8,415

by: NamDuong

15 Apr 2026, 23:59

ER

A basic savings account pays interest once per year on Decem

Poor Quality

Poor Quality hide tags

sehosayho

28 Aug 2013, 01:36

3

3,388

by: Bunuel

29 Aug 2013, 04:52

ER

A basket contains red and green balls. If two balls are drawn from the

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Bunuel

28 Dec 2022, 10:00

7

3

2,246

by: bumpbot

23 Sep 2025, 00:42

A basketball team plays 10 games, and it scores 12 points on average.

655-705 (Hard) | Statistics and Sets Problems

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

BillyZ

28 Mar 2017, 15:49

7

5

4,265

by: bumpbot

29 Oct 2025, 13:37

ER

A batch of cookies is divided among three jars. What fraction of the

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

08 Nov 2022, 02:30

1

1,082

by: BrushMyQuant

12 Nov 2022, 11:27

ER

A beer company spent $100,000 last year on hops, yeast, and malt. How

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

02 Oct 2015, 01:48

5

6

5,072

by: bumpbot

28 Dec 2022, 01:56

ER

A bell tower with an analog clock—one that displays the numbers 1 to

705-805 (Hard) | Geometry, Multiples and Factors

705-805 (Hard) | Geometry, Multiples and Factors hide tags

AndrewN

23 Feb 2022, 12:51

2

1,435

by: Crytiocanalyst

25 Feb 2022, 23:10

ER

A beverage company is contracted to supply a restaurant with 500 liter

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

ExpertsGlobal5

23 Feb 2026, 20:00

3

5

398

by: ExpertsGlobal5

28 Feb 2026, 04:30

ER

A bicycle has two wheels of different sizes, how wide in feet is the

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

02 Sep 2018, 22:20

2

7

2,703

by: sumit411

04 Sep 2018, 05:00

ER

A bicycle rider rides four stages of a race in 2 hours and 45 minutes.

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

26 Aug 2015, 00:19

9

6

4,506

by: bumpbot

24 Apr 2023, 09:15

ER

A bicycle store earned a different percent profit on each of the three

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

06 Apr 2022, 04:00

15

2

3,685

by: bumpbot

22 Jan 2026, 13:04

ER

A bicycle with two wheels of different sizes moves at 3 meters per sec

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

16 Jun 2022, 17:30

1

2

1,582

by: bumpbot

09 Feb 2024, 21:39

ER

A bigger circle (with center A) and a smaller circle (with center B) a

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

EgmatQuantExpert

21 May 2020, 01:27

140

13

15,923

by: bumpbot

01 Jun 2023, 08:28

ER

A bike share operator ran a four week pilot program and recorded the

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

26 Apr 2026, 13:12

3

2

526

by: Bunuel

10 Mar 2026, 05:18

ER

A biker travels from point A to Point C in a straight line

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Poor Quality hide tags

Creeper300

07 Nov 2010, 13:53

2

2,837

by: KarishmaB

08 Nov 2010, 10:04

ER

A biotechnology student is performing an experiment in which he is try

605-655 (Medium) | Work and Rate Problems

605-655 (Medium) | Work and Rate Problems hide tags

Bunuel

29 Dec 2021, 06:30

12

3

2,844

by: bumpbot

06 Jan 2026, 11:39

ER

A book new released include paperback and hardback version. The sales

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

rohan2345

30 Jan 2020, 06:15

1

3

2,368

by: bumpbot

05 Aug 2022, 11:04

ER

A bookshelf holds both paperback and hardcover books. The

555-605 (Medium) | Fractions and Ratios, Word Problems

555-605 (Medium) | Fractions and Ratios, Word Problems hide tags

jlgdr

11 Oct 2013, 17:05

45

7

14,419

by: ablatt4

26 Aug 2025, 11:44

ER

A bookstore bought 24 books, each at an equal price. Each of the first

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

06 Sep 2024, 01:30

14

4

2,312

by: bumpbot

16 Dec 2025, 22:49

A bookstore customer bought 3 books at different prices, and the

555-605 (Medium) | Statistics and Sets Problems

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

guddo

24 Jan 2024, 03:57

8

3

4,141

by: bumpbot

30 Mar 2025, 00:01

ER

A bookstore that sells used books sells each of its paperbac

555-605 (Medium) | Algebra, Word Problems

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

Bunuel

23 Feb 2014, 07:48

69

10

37,253

by: totaltestprepNick

02 Mar 2026, 08:11

ER

A bottle manufacturing company has 5 machines, each of which

Sub 505 (Easy) | Word Problems, Work and Rate Problems

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

megafan

23 Jan 2013, 19:22

10

5

12,398

by: bumpbot

25 May 2024, 08:13

ER

A bowl contains a total of 18 fruit: a apples, o oranges, and p pears.

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

07 Oct 2025, 00:28

6

577

by: Akshat_verma_25

07 Oct 2025, 15:40