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

78,657

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

188,479

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

487,873

by: bb

29 Aug 2025, 13:27

ER

Three integers A, B, and C are in the ratio 2 to 3 to 5, respectively.

555-605 (Medium) | Fractions and Ratios

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

Bunuel

02 Apr 2018, 21:26

2

3

1,911

by: benejo

03 Apr 2018, 03:34

ER

Three hundred dollars were deposited in an account at Bank X and left

Sub 505 (Easy) | Percent and Interest Problems

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

Bunuel

27 May 2025, 00:30

2

602

by: Ayeka

27 May 2025, 08:59

ER

Three houses are being sold through a real estate agent

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

BrainLab

19 Sep 2015, 14:39

57

7

30,295

by: bumpbot

06 Nov 2025, 17:44

ER

Three hoses, x, y, and z, pump water simultaneously at a rate of 600 g

Sub 505 (Easy) | Work and Rate Problems

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

Bunuel

21 Mar 2017, 04:37

3

2,316

by: bumpbot

09 Apr 2021, 00:38

ER

Three hoses, x, y, and z, each pump water at a constant rate. How long

555-605 (Medium) | Work and Rate Problems

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

Bunuel

11 Mar 2025, 00:30

3

721

by: bumpbot

05 Apr 2026, 15:44

ER

Three hoses, x, y, and z, each pump water at a constant rate.

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

Bunuel

29 May 2025, 00:30

2

3

590

by: Ayeka

29 May 2025, 08:49

ER

Three hoses, x, y, and z, each pump water at a constant rate into a 70

Sub 505 (Easy) | Work and Rate Problems

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

Bunuel

16 Jan 2017, 09:36

7

6

3,797

by: bumpbot

19 Aug 2020, 08:45

ER

Three friends, R, Y and M, each have a different number of toffees.

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Bunuel

16 Aug 2024, 01:30

7

4

1,243

by: bumpbot

30 Aug 2025, 05:39

ER

Three friends, A, B and C have houses along a straight road, in that

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

19 Jul 2018, 00:29

9

8

8,130

by: bumpbot

29 Sep 2023, 23:12

ER

Three friends, A, B and C decided to have a beer party. If each of the

Sub 505 (Easy) | Mixture Problems

Sub 505 (Easy) | Mixture Problems hide tags

Bunuel

17 Oct 2018, 00:46

16

7

5,765

by: bumpbot

02 Jul 2025, 10:42

ER

Three friends rented a car for a week and divided the cost equally.

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

22 Dec 2014, 09:17

97

11

29,930

by: bumpbot

15 Mar 2026, 19:14

ER

Three friends contributed some funds for a party. What was the amount

505-555 (Easy) | Fractions and Ratios

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

Bunuel

05 Jul 2017, 00:38

2

6

3,049

by: bumpbot

19 Aug 2019, 02:37

ER

Three friends are trying to decide how to split up a tub of ice cream.

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VyshakhR1995

06 Apr 2017, 05:20

2

7

3,184

by: Bunuel

03 Jul 2017, 10:23

ER

Three employees, A, B and C, clean a certain conference room each day.

805+ (Hard) | Work and Rate Problems

805+ (Hard) | Work and Rate Problems hide tags

Awli

26 Feb 2015, 11:36

176

12

13,832

by: bumpbot

10 Mar 2026, 23:27

ER

Three employees rake the beach each day at constant rates.

805+ (Hard) | Work and Rate Problems

805+ (Hard) | Work and Rate Problems hide tags

kevincan

25 Feb 2026, 11:35

4

3

374

by: Dereno

01 Mar 2026, 22:45

ER

Three distinct positive integers sum to 10. Is one of the three intege

655-705 (Hard) | Number Properties, Statistics and Sets Problems

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

abrutlag

05 Jul 2020, 10:47

3

4

3,619

by: bumpbot

23 Apr 2025, 07:19

ER

Three different points A, B and C lie on the circumference of a circle

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

02 Jan 2022, 04:35

2

1

1,704

by: JerryAtDreamScore

04 Jan 2022, 14:11

ER

Three different numbers have a product that is greater than

705-805 (Hard) | Inequalities +2 tags

705-805 (Hard) | Inequalities, Multiples and Factors, Word Problems hide tags

fskilnik

20 Feb 2019, 07:11

5

6

2,350

by: IanStewart

28 May 2023, 06:44

ER

Three dice, each with faces numbered 1 through 6, were tossed onto a

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

fozzzy

21 Sep 2019, 16:53

68

11

16,617

by: bumpbot

08 Sep 2024, 03:50

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

41,354

by: bumpbot

20 Mar 2026, 07:01

ER

Three containers A, B and C have wine concentrations a, b and c, respe

805+ (Hard) | Mixture Problems

805+ (Hard) | Mixture Problems hide tags

Bunuel

05 Jul 2017, 00:26

67

13

6,659

by: bumpbot

27 Apr 2025, 00:37

ER

Three consecutive integers are selected from the integers 1 to 50, inc

655-705 (Hard) | Multiples and Factors, Remainders

655-705 (Hard) | Multiples and Factors, Remainders hide tags

Bunuel

06 Apr 2022, 09:00

12

4

5,205

by: bumpbot

31 May 2024, 12:52

ER

Three completely unmarked containers are used for measuring water. Wat

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

03 Nov 2014, 09:04

41

8

12,442

by: Fungano

22 Feb 2025, 09:31

Three coconuts have distinct weights. The coconuts are weighed two at

655-705 (Hard) | Arithmetic, Word Problems

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

amanvermagmat

09 May 2018, 11:15

10

2

3,007

by: bumpbot

27 Jun 2024, 12:06

ER

Three circles with their centers on line segment PQ are tangent at poi

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

19 May 2019, 23:15

5

17,459

by: bumpbot

18 Jan 2023, 12:51

ER

Three circles with radii of 1, 2, and 3, lie on the same plane. Do any

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

29 Jul 2015, 15:42

31

5

7,138

by: bumpbot

02 Aug 2022, 07:49

ER

Three circles are drawn within triangle ABC such that no two circles

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

08 Mar 2018, 21:20

12

3

3,774

by: bumpbot

31 Mar 2021, 15:27

ER

Three children inherited a total of X dollars. If the oldest child inh

Sub 505 (Easy) | Algebra, Word Problems

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

Bunuel

26 Apr 2019, 02:04

35

10

17,724

by: GmatKnightTutor

09 Aug 2025, 01:15

ER

Three Children Alice, Brain & Chris have a total of

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qweert

07 Aug 2010, 22:30

6

10

5,096

by: Bunuel

29 Mar 2012, 05:16

ER

Three business partners, Alex, Ben, and Carlos, shared all the revenue

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

01 May 2025, 07:25

2

3

899

by: Bunuel

11 May 2025, 01:15

ER

Three business partners shared all the proceeds from the sale of their

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

Bunuel

07 Oct 2014, 09:06

16

8

13,896

by: bumpbot

24 Jun 2025, 11:08

ER

Three business partners owned 100% of a certain company.

605-655 (Medium) | Fractions and Ratios, Word Problems

605-655 (Medium) | Fractions and Ratios, Word Problems hide tags

adarsh12345

02 Nov 2009, 04:02

28

9

17,119

by: bumpbot

21 Aug 2023, 08:13

ER

Three brothers shared all the proceeds from the sale of their inherite

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

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

Bunuel

24 Feb 2016, 04:26

11

7

7,090

by: ADisHere

16 May 2024, 09:43

ER

Three brothers – Maurice, Larry and Curly – bought their parents an an

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

15 Oct 2019, 02:34

1

5

1,007

by: CareerGeek

15 Oct 2019, 05:44

ER

Three baseball teams, A, B, and C, play in a seasonal league

655-705 (Hard) | Fractions and Ratios

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

kidderek

06 Jul 2012, 01:51

59

11

22,053

by: bumpbot

18 Sep 2025, 11:44

Three apples of distinct weights, are weighed two at a time, such that

705-805 (Hard) | Arithmetic, Word Problems

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

amanvermagmat

09 May 2018, 11:31

7

2

2,418

by: bumpbot

09 Jan 2024, 10:44

ER

Three acres of land were divided among five people: Barbara, Darlene

655-705 (Hard) | Fractions and Ratios

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

Bunuel

21 Oct 2019, 03:00

2

1

2,388

by: chetan2u

21 Oct 2019, 05:34

ER

Thomas poured water into a pitcher that was already 1/4 full of water.

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

17 Oct 2019, 22:17

2

1,587

by: bumpbot

27 Jun 2025, 00:01

ER

This table lists enrollment in an afterschool program by act

805+ (Hard) | Overlapping Sets

805+ (Hard) | Overlapping Sets hide tags

kuttingchai

29 May 2013, 00:56

29

4

5,109

by: bumpbot

06 Jun 2021, 14:30

ER

This morning, a certain sugar container was full. Since then some of

Sub 505 (Easy) | Percent and Interest Problems

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

kanusha

18 Jul 2019, 02:41

34

13

18,297

by: bumpbot

03 Jul 2025, 23:52

ER

Thirty–thousand people voted for or against Resolution T. What was the

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

Bunuel

08 Jan 2018, 01:10

3

1,867

by: bumpbot

21 Mar 2019, 01:33

Think the OA given for this question is wrong - but old post is locked

gmattesttaker556

19 Nov 2017, 22:38

1

478

by: amanvermagmat

19 Nov 2017, 22:50

ER

There were n boys and m girls in a class.

655-705 (Hard) | Combinations

655-705 (Hard) | Combinations hide tags

DarshilPandya

18 Jun 2018, 10:13

40

4

11,211

by: bumpbot

29 Sep 2025, 05:22

ER

There were initially no black marbles in a jar. Subsequently

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

marcodonzelli

29 Nov 2012, 04:11

37

12

15,958

by: bumpbot

07 Nov 2024, 05:45

ER

There were 2 apples and 5 bananas in a basket. After

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Jcpenny

08 Nov 2008, 18:15

115

17

48,553

by: Bunuel

03 Dec 2023, 06:52

ER

There is at least one viper and at least one cobra in Pandora's box.

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

10 Jul 2025, 10:32

55

8

7,043

by: Bunuel

25 Dec 2025, 09:53

ER

There is an equation: x^3-ax^2+bx-5=0, a and b are positive integers,

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

MathRevolution

02 Mar 2016, 00:36

6

4

3,424

by: chetan2u

17 Nov 2022, 20:25

ER

There is an arithmetic sequence An where n is a positive integer such

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

MathRevolution

08 Nov 2016, 02:15

11

8

4,071

by: bumpbot

03 Jul 2025, 05:08

ER

There is a triangle ACE shown as above figure. what is the measurement

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

MathRevolution

01 Jun 2016, 18:12

8

3

2,586

by: bumpbot

07 Apr 2022, 19:07

ER

There is a total of 400 students. 310 students participated in A, and

555-605 (Medium) | Statistics and Sets Problems

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

MathRevolution

06 Jun 2017, 02:37

2

2,143

by: MathRevolution

08 Jun 2017, 00:52