GMAT Data Sufficiency (DS) Forum - Free Practice Questions

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Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

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Bunuel

25 Oct 2022, 08:11

189

15

89,205

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of June 2026

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1, 2

Bunuel

01 Jan 2026, 05:45

872

24

194,318

by: bumpbot

16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

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bb

23 Aug 2026, 13:03

1.6k

1

496,423

by: bb

23 Aug 2026, 13:01

ER

A home-goods warehouse inspected a shipment of ceramic mugs for

605-655 (Medium) | Overlapping Sets, Probability

605-655 (Medium) | Overlapping Sets, Probability hide tags

Bunuel

17 May 2026, 19:00

7

3

534

by: Bunuel

09 Jun 2026, 19:15

ER

A coffee shop is running a customer raffle in which each slip in

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

02 Jun 2026, 16:45

1

2

477

by: Bunuel

09 Jun 2026, 08:45

ER

At the beginning of 2023, a fitness club had 800 active members.

705-805 (Hard) | Percent and Interest Problems

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

Bunuel

02 Jun 2026, 16:45

8

4

560

by: Bunuel

09 Jun 2026, 07:15

ER

A Farey sequence of order n is the sequence of fractions

805+ (Hard) | Sequences

805+ (Hard) | Sequences hide tags

rajeevrks27

29 Mar 2012, 11:51

85

16

18,618

by: bumpbot

09 Jun 2026, 03:24

ER

Set X consists of 9 positive elements. Set Y consists of the

805+ (Hard) | Statistics and Sets Problems

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kevincan

12 Jul 2013, 01:53

48

8

19,239

by: bumpbot

09 Jun 2026, 03:03

ER

Two different sections of an economics class, designated A and B

705-805 (Hard) | Statistics and Sets Problems

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

Bunuel

07 Jun 2026, 02:30

5

3

471

by: Bunuel

09 Jun 2026, 02:30

ER

At the start of a museum digitization project, an archivist estimated

555-605 (Medium) | Statistics and Sets Problems, Work and Rate Problems

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

Bunuel

20 May 2026, 19:00

2

5

519

by: Bunuel

09 Jun 2026, 02:15

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Adam, Ben, and Clara are hired to weed a garden at a community center.

555-605 (Medium) | Work and Rate Problems

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

Bunuel

13 May 2026, 19:00

1

4

503

by: Bunuel

09 Jun 2026, 02:15

ER

At a stationery shop, Nora spent $84 on sketchbooks and colored marker

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

18 May 2026, 19:00

3

4

552

by: Bunuel

09 Jun 2026, 02:00

ER

At the start of a year, Elena deposited $800 into Bank A and $800 into

605-655 (Medium) | Percent and Interest Problems

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Bunuel

20 May 2026, 19:00

7

3

552

by: Bunuel

09 Jun 2026, 01:45

ER

At a science quiz, Team Atlas consisted of Elena, Hugo, and Liam, and

605-655 (Medium) | Statistics and Sets Problems, Word Problems

605-655 (Medium) | Statistics and Sets Problems, Word Problems hide tags

Bunuel

14 May 2026, 19:00

3

579

by: Bunuel

09 Jun 2026, 01:30

ER

A fitness studio chain sold membership packages at two locations

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

19 May 2026, 19:00

1

3

449

by: Bunuel

09 Jun 2026, 01:15

ER

A field technician left a service depot at 1:20 PM for a maintenance

655-705 (Hard) | Distance and Speed Problems

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Bunuel

18 May 2026, 19:00

2

4

551

by: Bunuel

09 Jun 2026, 01:00

ER

A research labs data archive increased by 20% each year. If during th

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

13 May 2026, 19:00

4

639

by: Bunuel

09 Jun 2026, 01:00

ER

The median age of seven children in group A was 13. The median age of

805+ (Hard) | Statistics and Sets Problems

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

Bunuel

12 Nov 2024, 01:30

14

7

2,847

by: vasu1104

08 Jun 2026, 23:18

ER

Each of the 75 professionals attending a conference is either a chef

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

06 Feb 2023, 07:10

24

8

4,566

by: vasu1104

08 Jun 2026, 22:51

ER

If x equally priced shares of a certain stock were valued

655-705 (Hard) | Percent and Interest Problems, Word Problems

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

enigma123

15 Mar 2012, 01:30

18

3

7,498

by: bumpbot

08 Jun 2026, 09:36

ER

Set S consists of all the positive multiples of 5 that are less than K

805+ (Hard) | Number Properties, Statistics and Sets Problems

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

Bunuel

18 Mar 2015, 05:12

69

15

14,813

by: bumpbot

08 Jun 2026, 09:07

ER

Of the N candies in a bag, some are peppermint and the rest are

555-605 (Medium) | Word Problems

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mun23

26 Mar 2013, 07:14

99

16

22,471

by: bumpbot

08 Jun 2026, 08:00

ER

A worker’s account activities consist of three types of

655-705 (Hard) | Algebra, Word Problems

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

gmatbull

01 Nov 2012, 09:15

7

11

4,295

by: bumpbot

08 Jun 2026, 07:28

ER

A certain number of distinct digits are written on a piece of paper. U

805+ (Hard) | Combinations

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gmatophobia

21 Jan 2022, 01:43

12

3

2,973

by: bumpbot

08 Jun 2026, 06:12

ER

12 Days of Christmas GMAT Competition - Day 8: A certain five-letter

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

1, 2, 3

Bunuel

25 Dec 2024, 09:00

58

59

3,780

by: bumpbot

08 Jun 2026, 03:20

ER

A data-entry clerk entered all records from several client files in on

655-705 (Hard) | Work and Rate Problems

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Bunuel

01 Jun 2026, 14:45

2

4

507

by: Bunuel

08 Jun 2026, 02:15

ER

A scheduling box contains 12 appointment cards. Each card is for

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

Bunuel

01 Jun 2026, 14:45

4

3

468

by: Bunuel

08 Jun 2026, 01:00

ER

Some of the books on a certain shelf are in English, and the rest of

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Gprabhumir

06 Mar 2024, 08:02

64

6

11,480

by: Usernamevisible

08 Jun 2026, 00:50

ER

When a person went to travelling, she estimated the traveled distance

605-655 (Medium) | Distance and Speed Problems

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

MathRevolution

09 Sep 2016, 17:17

9

4

3,466

by: bumpbot

08 Jun 2026, 00:04

ER

Three completely unmarked containers are used for measuring water. Wat

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

03 Nov 2014, 09:04

45

9

12,864

by: Usernamevisible

07 Jun 2026, 23:57

Two trains 1& 2 start simultaneously and run on parallel

555-605 (Medium) | Distance and Speed Problems

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

innocous

23 Nov 2013, 04:57

16

4

5,935

by: bumpbot

07 Jun 2026, 22:52

ER

In a company, an employee's salary in thousands of dollars, d, is dire

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

16 Feb 2023, 01:47

4

3

2,315

by: vasu1104

07 Jun 2026, 21:44

In a recently held cricket tournament in one of the universities

805+ (Hard) | Combinations, Word Problems

805+ (Hard) | Combinations, Word Problems hide tags

amanvermagmat

23 Feb 2018, 23:48

16

6

4,672

by: Vivek1707

07 Jun 2026, 11:51

ER

12 Days of Christmas GMAT Competition 2025 - Day 3: Rita has a bowl

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

1, 2, 3, 4

Bunuel

13 Jan 2026, 10:24

74

61

2,675

by: Praful_0810

07 Jun 2026, 09:23

ER

A certain car travels 18 miles per gallon of gas on city streets and 3

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

07 Feb 2020, 06:22

11

6

3,665

by: bumpbot

07 Jun 2026, 05:47

If a number is selected at random from a set of 6 distinct integers

555-605 (Medium) | Number Properties, Probability

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

Bunuel

26 Nov 2019, 01:33

12

6

3,920

by: bumpbot

07 Jun 2026, 05:22

What is the value of (r + s) as a percent of p?

605-655 (Medium) | Percent and Interest Problems

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

Bunuel

25 Jun 2017, 04:12

9

4

2,475

by: bumpbot

07 Jun 2026, 04:03

ER

If the symbol ∗ denotes either multiplication, or division, what is th

555-605 (Medium) | Functions and Custom Characters

555-605 (Medium) | Functions and Custom Characters hide tags

Russ19

16 Apr 2020, 10:37

1

2

1,519

by: bumpbot

07 Jun 2026, 03:50

ER

What are all the important considerations for making accurate

555-605 (Medium) | Non-Math Related

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

guddo

14 Aug 2024, 09:23

29

4

5,302

by: ExpertsGlobal5

07 Jun 2026, 03:38

Cyclist M leaves point P at 12 noon and travels at constant velocity

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

17 Nov 2025, 01:03

15

5

5,633

by: bumpbot

07 Jun 2026, 03:23

ER

A design studio bought a commercial 3D printer. If at the end of each

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

30 May 2026, 11:15

11

4

634

by: Bunuel

07 Jun 2026, 02:45

ER

Elena and Riley each bought notebooks, pens, and folders from the same

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

30 May 2026, 11:15

2

4

558

by: Bunuel

07 Jun 2026, 01:30

ER

Two cars A and B start from diametrically opposite points of a circula

805+ (Hard) | Distance and Speed Problems, Fractions and Ratios

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

chetan2u

13 Jan 2018, 05:28

47

12

10,376

by: bumpbot

07 Jun 2026, 00:53

ER

Let S be a finite set of consecutive multiples of 7.

805+ (Hard) | Statistics and Sets Problems

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

Mourinho2nd

28 Jun 2013, 22:03

118

8

13,434

by: bumpbot

06 Jun 2026, 17:40

ER

The cards in a deck are numbered consecutively from 1 to 20. If some

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

01 Jul 2018, 20:57

12

3

3,750

by: AllisonBell

06 Jun 2026, 11:20

ER

A department manager distributed a number of books, calendars, and dia

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

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

Bunuel

24 Feb 2016, 04:28

43

10

8,484

by: Usernamevisible

06 Jun 2026, 10:57

ER

In the Sequence F, the first term has the value seven and each success

705-805 (Hard) | Sequences

705-805 (Hard) | Sequences hide tags

Bunuel

13 Nov 2023, 02:30

9

2

2,905

by: egmat

06 Jun 2026, 07:07

ER

If u > 0 and v > 0, which is greater, u^v or v^u?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

16 Jun 2016, 03:17

77

12

31,290

by: egmat

06 Jun 2026, 06:54

ER

If x is a positive integer, the symbol * represents which of

505-555 (Easy) | Functions and Custom Characters

505-555 (Easy) | Functions and Custom Characters hide tags

infymys

29 Oct 2013, 06:42

17

7

10,318

by: bumpbot

06 Jun 2026, 06:27

Maria walked along a track at an average speed of 100 meters per

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

21 Oct 2025, 00:13

3

4

975

by: egmat

06 Jun 2026, 04:38

ER

Dunder Corporation's profit of $360 million in 2007 was what percent

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

04 Jun 2026, 02:30

3

2

582

by: Bunuel

06 Jun 2026, 04:30

ER

Ann, running at a constant pace, ran part of a marathon in 2 hours.

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

04 Jun 2026, 04:30

4

3

517

by: Bunuel

06 Jun 2026, 04:00

ER

A school used several buses for a field trip. If each bus carried

655-705 (Hard) | Statistics and Sets Problems

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

Bunuel

28 May 2026, 19:00

6

5

494

by: Bunuel

06 Jun 2026, 02:45