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

179

15

79,453

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

858

24

188,936

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

488,608

by: bb

29 Aug 2025, 13:27

ER -1

The rate at which a certain investment appreciates is R.

705-805 (Hard) | Percent and Interest Problems

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

ExpertsGlobal5

19 Feb 2026, 20:00

9

5

745

by: ShivenDhir1

09 Apr 2026, 19:19

ER

In a group, everybody speaks English or French. What percentage of

705-805 (Hard) | Overlapping Sets

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ExpertsGlobal5

30 Dec 2025, 22:00

10

5

703

by: Advait01

09 Apr 2026, 10:45

ER

If @ denotes one of two arithmetic operations, addition or multiplicat

705-805 (Hard) | Functions and Custom Characters

705-805 (Hard) | Functions and Custom Characters hide tags

GMATBusters

18 Nov 2020, 11:13

6

3

2,035

by: bumpbot

08 Apr 2026, 10:42

ER

A savings account earned 1% interest compounded each month, credited o

705-805 (Hard) | Percent and Interest Problems

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

Bunuel

26 Jan 2016, 08:17

15

7

4,661

by: bumpbot

08 Apr 2026, 08:11

In a certain sport, teams receive 3 points for each win, 1 p

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

kingflo

20 Jul 2013, 12:56

160

18

61,153

by: bumpbot

06 Apr 2026, 21:37

ER

A train runs over a straight route from town A to town D. It is schedu

705-805 (Hard) | Distance and Speed Problems

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

Bunuel

04 Apr 2026, 23:41

73

12

7,694

by: Gmat860sanskar

06 Apr 2026, 11:08

ER

A museum curator will select 4 paintings from a collection to feature

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Bunuel

01 Apr 2026, 19:00

9

5

513

by: Bunuel

06 Apr 2026, 10:31

ER

Yesterday, an automobile dealership sold exactly 15 vehicles

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

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

madhavsrinivas

24 Dec 2013, 02:12

176

15

24,761

by: bumpbot

06 Apr 2026, 06:11

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

132

13

19,119

by: bumpbot

05 Apr 2026, 07:20

ER

Arithmetic sequences S1 and S2 have 5 terms each. If the first terms

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

Bunuel

06 Dec 2022, 09:30

7

3

2,152

by: adconsectetur

05 Apr 2026, 01:59

ER

What is the 6th term of the Arithmetic sequence?

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

Bunuel

09 Mar 2016, 13:31

29

3

15,880

by: Adit_

04 Apr 2026, 09:04

ER

If c and d are positives integers, d >= 2 and c*d is the square of a

705-805 (Hard) | Min-Max Problems, Number Properties

705-805 (Hard) | Min-Max Problems, Number Properties hide tags

Bunuel

19 Feb 2020, 03:35

14

4

4,868

by: Gmat860sanskar

03 Apr 2026, 11:18

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

asch13

22 Jul 2010, 11:55

350

19

66,073

by: bumpbot

02 Apr 2026, 11:18

ER

A stationery store received a shipment of notebooks. When the manager

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

29 Mar 2026, 19:00

5

3

368

by: Bunuel

02 Apr 2026, 01:15

ER

At a community center, Nora and five other volunteers packed snack bag

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

25 Mar 2026, 19:00

6

4

449

by: Bunuel

31 Mar 2026, 01:15

ER

An auto dealership has multiple departments. Each of the departments

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

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

MartyTargetTestPrep

20 Feb 2016, 00:29

6

2,685

by: bumpbot

30 Mar 2026, 00:09

ER

Sofia works at a museum gift shop for the same fixed number of hours

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

22 Mar 2026, 19:01

5

4

451

by: Bunuel

28 Mar 2026, 02:00

ER

At a company training workshop, the attendees are divided into two

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

19 Mar 2026, 19:00

4

6

497

by: Bunuel

28 Mar 2026, 01:15

ER

In a multiple-choice test, each question is followed by n options.

705-805 (Hard) | Probability

705-805 (Hard) | Probability hide tags

Bunuel

17 Jul 2017, 23:17

26

14

5,399

by: yashhw

26 Mar 2026, 23:14

ER

Arty, Martha, Jenny, and Ralph all set sales goals for the month of Ju

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

07 Jul 2018, 09:43

17

9

4,966

by: bumpbot

26 Mar 2026, 02:40

ER

Two animal shelters, Cedar Shelter and Harbor Shelter, each house only

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

17 Mar 2026, 19:00

8

4

548

by: Bunuel

26 Mar 2026, 01:00

ER

At Fairfield and Company, interns were assigned to three

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

kevincan

24 Mar 2026, 21:53

1

305

by: Edskore

25 Mar 2026, 16:52

ER

A box contains bags of marbles. All of the bags hold the

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

shrive555

24 Oct 2010, 12:50

59

5

15,680

by: bumpbot

24 Mar 2026, 11:07

ER

At Consolidated Foundries, for a resolution to become policy, a quorum

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

gurasis1

30 Oct 2017, 06:06

21

7

7,766

by: bumpbot

24 Mar 2026, 09:17

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

2,452

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

157

12

16,328

by: Bunuel

22 Mar 2026, 11:59

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

122

13

15,732

by: kartickdey

21 Mar 2026, 03:35

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

101,055

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

329

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

12,413

by: iamjatinagrawal

20 Mar 2026, 04:38

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

117

10

8,748

by: vallequalle

19 Mar 2026, 11:39

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

4,713

by: pappal

18 Mar 2026, 14:00

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

1,815

by: bumpbot

18 Mar 2026, 03:52

ER

The distance between City A and City B is 120 miles. A freight train

705-805 (Hard) | Distance and Speed Problems

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

Bunuel

22 Jul 2024, 01:30

8

3

1,840

by: Edskore

14 Mar 2026, 09:33

ER

Nora and Felix are riding electric scooters at constant speeds along

705-805 (Hard) | Distance and Speed Problems

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

Bunuel

26 Apr 2026, 14:38

12

6

656

by: Adit_

14 Mar 2026, 08:37

ER

John and Fawn, each drinking at a constant pace, can finish

705-805 (Hard) | Work and Rate Problems

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

Chembeti

17 Feb 2012, 19:53

36

12

11,973

by: bumpbot

14 Mar 2026, 01:02

ER

Hoses A, B, and C pump a swimming pool full of water. Hoses A and B

705-805 (Hard) | Work and Rate Problems

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

aashaybaindurgmat

14 Oct 2017, 01:20

57

7

11,372

by: bumpbot

14 Mar 2026, 00:49

ER

Ten slips of paper, numbered 1 through 10, are placed in a bag. If thr

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

05 Jun 2021, 04:40

35

5

8,554

by: Adit_

13 Mar 2026, 23:30

ER

The original price of a computer was increased by x% to reach its

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

01 Aug 2023, 05:00

181

11

31,013

by: Borrat

13 Mar 2026, 13:14

ER

Lucas drove from Warehouse Orion to Warehouse Vega and then returned

705-805 (Hard) | Distance and Speed Problems

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

Bunuel

26 Apr 2026, 14:24

5

2

475

by: Bunuel

13 Mar 2026, 04:00

ER

On Sunday, a farmer brought two types of fruit to the market

705-805 (Hard) | Fractions and Ratios, Word Problems

705-805 (Hard) | Fractions and Ratios, Word Problems hide tags

Bunuel

26 Apr 2026, 14:19

4

2

496

by: Bunuel

13 Mar 2026, 02:15

ER

In a class of 48 students, some are in chess club and some are in swim

705-805 (Hard) | Overlapping Sets, Probability

705-805 (Hard) | Overlapping Sets, Probability hide tags

Bunuel

26 Apr 2026, 14:04

2

3

516

by: Bunuel

13 Mar 2026, 01:45

ER

Jerome bought 12 T-shirts for his shop. Premium shirts cost

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

kevincan

11 Mar 2026, 15:18

2

1

301

by: Dereno

12 Mar 2026, 01:47

ER

A concert hall sold only two types of tickets for a show: Premium and

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

26 Apr 2026, 13:17

5

4

615

by: Bunuel

11 Mar 2026, 02:45

ER

Tajs Taxis determines the fare for each trip by adding a fl

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

kevincan

10 Mar 2026, 09:05

2

3

367

by: kevincan

10 Mar 2026, 01:24

ER

At Ginos, customers can order either a snack-sized portion

705-805 (Hard) | Fractions and Ratios, Word Problems

705-805 (Hard) | Fractions and Ratios, Word Problems hide tags

kevincan

09 Mar 2026, 15:20

3

2

352

by: kevincan

10 Mar 2026, 00:34

ER

A seller increased the price of an item by X% and then decreased it by

705-805 (Hard) | Percent and Interest Problems

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

Bunuel

12 Dec 2024, 01:30

6

3

1,942

by: bumpbot

09 Mar 2026, 14:19

ER

Set A consists of 8 different integers from the list {1, 3, 5, 7, 9

705-805 (Hard) | Statistics and Sets Problems

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

EgmatQuantExpert

12 May 2026, 23:54

19

3

6,096

by: bumpbot

09 Mar 2026, 13:53

ER

A person mixed three varieties of tea priced at $120 per pound, $135

705-805 (Hard) | Fractions and Ratios, Mixture Problems

705-805 (Hard) | Fractions and Ratios, Mixture Problems hide tags

Bunuel

03 Jul 2017, 12:05

65

10

8,903

by: bumpbot

09 Mar 2026, 02:30

ER

In the x-y plane the y-intercept of line k is less than -2, is x-inter

705-805 (Hard) | Functions and Custom Characters

705-805 (Hard) | Functions and Custom Characters hide tags

MathRevolution

27 Feb 2016, 20:30

7

4

3,591

by: bumpbot

09 Mar 2026, 00:54