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

175

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78,542

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

188,420

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

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487,766

by: bb

29 Aug 2025, 13:27

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Mr. Jones spends $ 76 on movie tickets for a group of adults and child

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

17 Jan 2026, 05:45

3

1

424

by: stne

24 Jan 2026, 14:14

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In a group of 42 college students, how many were juniors who landed

505-555 (Easy) | Overlapping Sets

505-555 (Easy) | Overlapping Sets hide tags

Bunuel

17 Jan 2026, 03:45

1

325

by: shivani1351

01 Feb 2026, 23:37

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If the average size of 3 accounts is $1 million, is the smallest

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

16 Jan 2026, 09:15

1

222

by: shashi1277

16 Jan 2026, 10:48

ER -1

Larry is one of 9 product managers in a certain division of

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

kevincan

16 Jan 2026, 09:13

4

3

407

by: Vivek1707

10 Feb 2026, 11:40

ER

Does the city of Taraglo rank among the five largest cities of Aplandi

805+ (Hard) | Percent and Interest Problems, Word Problems

805+ (Hard) | Percent and Interest Problems, Word Problems hide tags

kevincan

16 Jan 2026, 05:14

4

3

357

by: kevincan

18 Jan 2026, 13:42

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Two boys, Neil and Sam, were having a squabble about a pastry their fa

655-705 (Hard) | Non-Math Related

655-705 (Hard) | Non-Math Related hide tags

msing454

16 Jan 2026, 02:35

6

4

1,041

by: miag

26 Jan 2026, 19:08

ER

A helium balloon begins to slowly lose helium. Did the balloon contain

705-805 (Hard) | Work and Rate Problems

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

ExpertsGlobal5

15 Jan 2026, 22:00

5

2

557

by: ExpertsGlobal5

18 Jan 2026, 11:45

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Solutions A, B, and C are mixed. What is the ratio of alcohol and

605-655 (Medium) | Mixture Problems

605-655 (Medium) | Mixture Problems hide tags

ExpertsGlobal5

15 Jan 2026, 22:00

5

2

512

by: ExpertsGlobal5

18 Jan 2026, 10:45

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If Tim weighs 200 pounds, how much does John weigh?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

15 Jan 2026, 09:15

1

214

by: sivaprasadch

15 Jan 2026, 10:00

ER

In a certain institute, every student studies at least one of two

655-705 (Hard) | Overlapping Sets

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Bunuel

15 Jan 2026, 07:45

1

426

by: stne

24 Jan 2026, 13:35

ER

From 1984 to 1987, what's the percent change in number of the insured

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

Bunuel

15 Jan 2026, 05:45

1

347

by: shivani1351

15 Mar 2026, 00:20

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A CD was initially listed at a price that would have given the store

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

15 Jan 2026, 03:45

2

1

402

by: shivani1351

01 Feb 2026, 23:53

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If all workers in a workshop are equally efficient, how long will it

555-605 (Medium) | Work and Rate Problems

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

ExpertsGlobal5

14 Jan 2026, 22:00

4

354

by: ExpertsGlobal5

18 Jan 2026, 09:45

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What is the average age of the 12 people on a certain jury?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

ExpertsGlobal5

14 Jan 2026, 22:00

3

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303

by: ExpertsGlobal5

18 Jan 2026, 08:30

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An off-season discount of x percent is being offered at a store for

655-705 (Hard) | Percent and Interest Problems

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

Bunuel

14 Jan 2026, 09:15

3

2

270

by: ADisHere

14 Jan 2026, 13:09

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The cost of an item offered by Company A increased by 15 percent while

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

Bunuel

14 Jan 2026, 07:45

1

217

by: ADisHere

14 Jan 2026, 13:15

ER

Jeremys salary is how much greater than Samanthas salary?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

14 Jan 2026, 05:45

1

180

by: ADisHere

14 Jan 2026, 13:19

ER

Last year, if a company spent a total of $1,200,000 on marketing

605-655 (Medium) | Percent and Interest Problems, Word Problems

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

Bunuel

14 Jan 2026, 03:45

1

369

by: ADisHere

14 Jan 2026, 13:23

ER

Which burns for longer, a candle made of 100 grams of beeswax or one

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

ExpertsGlobal5

13 Jan 2026, 19:00

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2

328

by: ExpertsGlobal5

18 Jan 2026, 07:30

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The per sofa selling price at a showroom this year was $40 more than

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

ExpertsGlobal5

13 Jan 2026, 19:00

2

305

by: ExpertsGlobal5

18 Jan 2026, 06:30

ER

Data Sufficiency - Most Trending Topics of 2025

505-555 (Easy) | Non-Math Related

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

Bunuel

13 Jan 2026, 07:28

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487

by: Bunuel

13 Jan 2026, 08:22

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Cars A and B are stationed in Townville and Cityburg, respectively

705-805 (Hard) | Distance and Speed Problems

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

ExpertsGlobal5

12 Jan 2026, 22:00

5

585

by: ExpertsGlobal5

18 Jan 2026, 05:30

ER

The average duration of Rasmuss commute across Monday, Tuesday, and

555-605 (Medium) | Distance and Speed Problems

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

ExpertsGlobal5

12 Jan 2026, 22:00

1

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461

by: iamjatinagrawal

18 Apr 2026, 11:59

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In a group, the ratio of the number of women to the number of children

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

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

ExpertsGlobal5

11 Jan 2026, 22:00

1

2

386

by: ExpertsGlobal5

18 Jan 2026, 03:30

ER

The table lists five states and their total 2012 revenue, in millions

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

ExpertsGlobal5

11 Jan 2026, 22:00

1

2

461

by: ExpertsGlobal5

18 Jan 2026, 02:30

ER

In a race, an overtake between two participants refers to the event

655-705 (Hard) | Non-Math Related

655-705 (Hard) | Non-Math Related hide tags

consistentprep

10 Jan 2026, 01:35

29

10

1,852

by: Stella5200

22 Feb 2026, 04:03

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What is the average (arithmetic mean) mileage of 7 cars in a parking

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

ExpertsGlobal5

08 Jan 2026, 22:00

2

3

444

by: ExpertsGlobal5

11 Jan 2026, 11:00

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Last year, in Crossia, 25% of all babies were delivered in a private

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

ExpertsGlobal5

08 Jan 2026, 22:00

5

2

493

by: ExpertsGlobal5

11 Jan 2026, 10:00

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What was the percentage increase in revenue for company X between 2004

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

ExpertsGlobal5

07 Jan 2026, 22:00

1

2

359

by: ExpertsGlobal5

11 Jan 2026, 09:00

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If it rained for twice as long on Monday as on Tuesday, and if it rain

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

ExpertsGlobal5

07 Jan 2026, 22:00

1

2

267

by: ExpertsGlobal5

11 Jan 2026, 08:00

ER

DS Prep resources

555-605 (Medium) | Algebra +2 tags

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miag

07 Jan 2026, 06:04

1

0

214

by: miag

07 Jan 2026, 06:04

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The ratio of the number of women to men to children in a group is 3 :

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

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

ExpertsGlobal5

06 Jan 2026, 22:00

1

2

498

by: Bunuel

11 Jan 2026, 07:45

ER

In the Fortune Frenzy national lottery, a fixed annual cash prize is

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505-555 (Easy) | Word Problems hide tags

ExpertsGlobal5

06 Jan 2026, 22:00

1

2

383

by: ExpertsGlobal5

11 Jan 2026, 06:45

ER

There are 600 homes in a neighborhood, some of which are government

555-605 (Medium) | Overlapping Sets

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ExpertsGlobal5

05 Jan 2026, 22:00

2

4

505

by: ExpertsGlobal5

11 Jan 2026, 05:45

ER -1

As part of an endorsement deal, a shoe company pays an athlete a fixed

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

ExpertsGlobal5

05 Jan 2026, 22:00

4

593

by: ExpertsGlobal5

11 Jan 2026, 04:45

ER

Company M has two divisions X and Y. Both the divisions have exactly

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

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

ExpertsGlobal5

04 Jan 2026, 22:00

6

1

558

by: ExpertsGlobal5

11 Jan 2026, 03:45

ER

For an aging power plant, the ratio of electricity produced to

505-555 (Easy) | Fractions and Ratios, Word Problems

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

ExpertsGlobal5

04 Jan 2026, 22:00

1

440

by: ExpertsGlobal5

11 Jan 2026, 02:45

ER

The revenue through television sales for Jacy, an electronic appliance

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

ExpertsGlobal5

01 Jan 2026, 22:00

3

2

512

by: ExpertsGlobal5

04 Jan 2026, 21:15

ER

A processed coffee manufacturer sources coffee beans from precisely 3

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

ExpertsGlobal5

01 Jan 2026, 22:00

1

412

by: ExpertsGlobal5

04 Jan 2026, 20:15

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In a class of 100 students, how many students play volleyball?

555-605 (Medium) | Overlapping Sets

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ExpertsGlobal5

31 Dec 2025, 22:00

2

504

by: ExpertsGlobal5

04 Jan 2026, 19:15

ER

$30,000 were invested into an index fund on January 1, 2010.

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

ExpertsGlobal5

31 Dec 2025, 22:00

3

2

396

by: ExpertsGlobal5

04 Jan 2026, 18:15

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

9

5

656

by: Advait01

09 Apr 2026, 10:45

ER

Mitchell intends to deposit for a year, $10,000 in a savings account

605-655 (Medium) | Percent and Interest Problems

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

ExpertsGlobal5

30 Dec 2025, 22:00

2

502

by: ExpertsGlobal5

04 Jan 2026, 15:00

ER

In a class of 80 students, how many students play volleyball?

605-655 (Medium) | Overlapping Sets

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ExpertsGlobal5

29 Dec 2025, 22:00

8

4

647

by: Bunuel

07 Jan 2026, 14:02

ER

Of the students who dine in a cafeteria, each student either likes or

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ExpertsGlobal5

29 Dec 2025, 22:00

7

5

569

by: ExpertsGlobal5

04 Jan 2026, 14:00

ER

In a class of 100 students, 70 play basketball. How many students in

555-605 (Medium) | Overlapping Sets

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ExpertsGlobal5

29 Dec 2025, 01:00

3

425

by: ExpertsGlobal5

04 Jan 2026, 13:00

ER

In a group of 90 members, how many members play football but do not

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ExpertsGlobal5

29 Dec 2025, 01:00

1

2

472

by: ExpertsGlobal5

04 Jan 2026, 12:45

ER

12 Days of Christmas GMAT Competition 2025 - Day 10: Lena keeps all of

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

1, 2, 3

Bunuel

26 Dec 2025, 09:00

52

48

1,754

by: Lizaza

27 Dec 2025, 08:58

ER

12 Days of Christmas GMAT Competition 2025 - Day 9: John is applying

805+ (Hard) | Probability

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1, 2

Bunuel

25 Dec 2025, 09:00

46

39

1,532

by: canopyinthecity

26 Dec 2025, 08:10

-3

In Country X and Country Y, lunch for the vast majority of high...

705-805 (Hard) | Non-Math Related

705-805 (Hard) | Non-Math Related hide tags

az168

25 Dec 2025, 02:48

8

2

1,145

by: Dream009

29 Dec 2025, 11:59