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

190

15

90,246

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

873

24

194,989

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

497,548

by: bb

23 Aug 2026, 13:01

ER

Jane and Thomas each have more than 700 stamps. What is the ratio of

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

24 Apr 2024, 01:30

14

2

2,425

by: bumpbot

04 Sep 2026, 03:53

ER

Around the World in 80 Questions (Day 4): Of the retailers surveyed

655-705 (Hard) | Overlapping Sets

655-705 (Hard) | Overlapping Sets hide tags

Bunuel

20 Jul 2023, 08:00

36

13

7,927

by: SwiftMonk

04 Sep 2026, 03:33

Carlos spent 70% of his initial money to buy a property in Spain and

505-555 (Easy) | Percent and Interest Problems

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

laborumpossimus

03 Sep 2026, 13:54

1

117

by: zaturn

04 Sep 2026, 03:19

ER

Max (x,y) is defined as the maximum of x and y, and min(x,y)

555-605 (Medium) | Functions and Custom Characters, Min-Max Problems

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GMATD11

28 Feb 2012, 19:52

62

6

102,987

by: bumpbot

03 Sep 2026, 14:19

What were the gross revenues from ticket sales for the movie Mr. and

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

02 Sep 2026, 22:25

1

212

by: LucidGhost

03 Sep 2026, 10:45

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

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

Bunuel

02 Sep 2026, 22:25

3

1

265

by: SS990

03 Sep 2026, 08:39

ER

An initial investment of $10,000 was deposited in a bank account one

505-555 (Easy) | Percent and Interest Problems

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

Bunuel

23 May 2020, 04:45

39

5

12,000

by: bumpbot

03 Sep 2026, 08:13

ER

Given that the mean of Set A is 10, what is the range of two

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

smartass666

05 Nov 2012, 21:09

68

10

20,437

by: bumpbot

03 Sep 2026, 06:45

ER

A certain company sells only cars and trucks, and the average selling

655-705 (Hard) | Statistics and Sets Problems

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

BillyZ

21 Feb 2017, 18:23

13

3

3,906

by: bumpbot

02 Sep 2026, 22:52

ER

The cost of a certain school trip was $16 for each child and $24 for

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

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Bunuel

02 Aug 2023, 05:00

71

9

20,918

by: MarkGMATMentor

02 Sep 2026, 18:26

ER

In a class of 30 students, Emma secured the third rank among the girls

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

24 Jan 2025, 01:30

9

4

1,777

by: MarkGMATMentor

02 Sep 2026, 17:26

ER

If the average (arithmetic mean) of four different numbers is 30, how

605-655 (Medium) | Statistics and Sets Problems

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

kook44

06 Jun 2019, 02:45

220

15

79,432

by: doitrahul

02 Sep 2026, 12:03

ER

A certain pizzeria has more than fifty types of pizzas on its menu.

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

GMATCoachBen

06 Feb 2024, 19:21

122

10

15,793

by: Bunuel

02 Sep 2026, 11:45

ER

If set S = {7, y, 12, 8, x, 9}, is x + y less than 18?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

14 Oct 2014, 06:11

27

7

10,058

by: bumpbot

02 Sep 2026, 09:36

ER

Rachel throws a cocktail party for her friends. At the party, she

Sub 505 (Easy) | Fractions and Ratios, Word Problems

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

Bunuel

26 Aug 2026, 19:00

4

317

by: SS990

02 Sep 2026, 09:27

ER

A few men and a few women are seated in a row. The number of men is on

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

Bunuel

16 Jul 2017, 23:32

77

12

9,376

by: ohhno

02 Sep 2026, 09:15

ER

How many songs did the musician record? (1) Of the songs the

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

01 Sep 2026, 19:00

5

3

277

by: Parinpatel

02 Sep 2026, 09:12

University has published the list of subjects in two columns

555-605 (Medium) | Combinations

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shriwasakshat

01 Jun 2025, 03:01

6

3

1,070

by: ohhno

02 Sep 2026, 09:04

ER

GMAT Club Olympics 2025 (Day 1): In a store, 40 items are arranged on

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

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

1, 2...7, 8

Bunuel

30 Jun 2025, 08:00

139

157

6,655

by: ohhno

02 Sep 2026, 08:56

ER

There are x children and y chairs arranged in a circle in a room where

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

Bunuel

29 Mar 2021, 00:21

64

12

11,283

by: bumpbot

02 Sep 2026, 08:19

ER

Prof Liu gave the same quiz to the students in her morning class and

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

[email protected]

23 Jan 2024, 06:52

272

19

51,441

by: bumpbot

02 Sep 2026, 04:03

ER

A real estate agent sold 6 houses in Junction City and 3 houses

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

guddo

24 Jan 2024, 01:14

52

9

11,384

by: Himanshu_Dhiman

01 Sep 2026, 23:35

ER

At a certain school, is the number of biology students greater than

555-605 (Medium) | Overlapping Sets

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Bunuel

20 Aug 2026, 19:00

9

5

527

by: officiisnobis

01 Sep 2026, 14:07

ER

Today Dave drove from home to work at twice his regular speed and arri

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

BrentGMATPrepNow

16 Aug 2022, 07:05

12

3

2,449

by: Bunuel

01 Sep 2026, 12:10

An electronics distributor receives $75 for every DVD player he ships

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

31 Aug 2026, 19:00

1

255

by: counterclash1

01 Sep 2026, 10:28

Two persons A and B run at constant speeds of a miles per hour and b

705-805 (Hard) | Distance and Speed Problems

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

Bunuel

18 Nov 2024, 01:30

5

3

1,452

by: bumpbot

01 Sep 2026, 10:25

ER

A casino pays players with chips that are either turquoise- or violet-

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

CAMANISHPARMAR

18 May 2018, 07:46

27

11

7,021

by: Gaurav015

01 Sep 2026, 01:16

ER

A one-million dollar inheritance was divided among five

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

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

shaneforu

21 Jun 2010, 13:06

59

15

34,402

by: bumpbot

01 Sep 2026, 00:24

ER

A company has ordered 84 sofas, 180 tables, and 264 chairs. It has dep

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

vmahi77

18 Nov 2015, 02:04

56

13

7,742

by: bumpbot

01 Sep 2026, 00:14

ER

To raise funds, a racing team sold T-shirts imprinted with

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

guerrero25

30 Oct 2013, 16:01

95

12

22,715

by: officiisnobis

31 Aug 2026, 18:35

Mr. Aubrey who works as a Jeweller, makes either silver or gold pendan

605-655 (Medium) | Mixture Problems

605-655 (Medium) | Mixture Problems hide tags

laborumpossimus

28 Aug 2026, 14:06

3

4

443

by: LessGoRahul

31 Aug 2026, 11:14

ER

A cyclist travels 20 miles at a speed of 15 miles per hour.

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

30 Aug 2026, 19:00

2

3

222

by: TheAdmissionHub

31 Aug 2026, 08:13

A certain train left City X at 7:00 am and arrived at City Y the same

705-805 (Hard) | Distance and Speed Problems, Work and Rate Problems

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AnuK2222

05 Apr 2025, 23:28

13

2

2,402

by: ZeroSquare

31 Aug 2026, 05:13

ER

Pam owns an inventory of unopened packages of corn and rice

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

1, 2

Vinayprajapati

15 Apr 2016, 21:55

207

22

18,668

by: bumpbot

31 Aug 2026, 04:51

ER

What is the average speed of the car during its entire trip?

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

AweSome777

10 Jul 2019, 07:25

19

10

6,831

by: bumpbot

31 Aug 2026, 04:42

ER

A clothing manufacturer makes jackets that are wool or cotton or

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

AbdurRakib

15 Jun 2016, 03:24

129

13

41,833

by: ohhno

31 Aug 2026, 04:31

ER

At least 100 students at a certain high school study japanes

705-805 (Hard) | Overlapping Sets

705-805 (Hard) | Overlapping Sets hide tags

1, 2

amitgovin

20 Jul 2020, 00:09

876

24

138,965

by: bumpbot

31 Aug 2026, 02:36

ER

GMAT Club Olympics 2024 (Day 4): What is the length of a train

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

1, 2...5, 6

Bunuel

11 Jul 2024, 07:00

91

105

11,971

by: bumpbot

31 Aug 2026, 00:55

ER

GMAT Club Olympics 2025 (Day 1): Ann and Bob each randomly select an

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

1, 2...6, 7

Bunuel

30 Jun 2025, 08:00

148

139

7,502

by: bumpbot

31 Aug 2026, 00:50

ER

Maggie is 15 years older than Bobby. How old is Bobby?

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

18 Mar 2015, 05:20

7

5

8,796

by: bumpbot

31 Aug 2026, 00:37

ER

A company had 1000 employees at the beginning of the year 2011. If p p

705-805 (Hard) | Percent and Interest Problems, Word Problems

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

mangamma

18 Jun 2019, 09:24

13

5

5,143

by: bumpbot

30 Aug 2026, 21:46

A drawer contains 12 socks, of which 8 are black and 4 are white.

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

23 Aug 2026, 19:00

1

320

by: AdarshSambare

30 Aug 2026, 20:20

Train A leaves the station at 5:00, and travels north at 50 miles per

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

Bunuel

24 Aug 2026, 19:00

4

3

348

by: ankushsambare

30 Aug 2026, 20:13

What is the probability that a person selected randomly from a group

505-555 (Easy) | Probability

505-555 (Easy) | Probability hide tags

Bunuel

30 Aug 2026, 19:00

2

1

214

by: Kevi

30 Aug 2026, 20:06

ER

If 25% of a company's employees are women older than 30, what percent

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

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

Bunuel

23 Jul 2025, 13:38

40

6

21,410

by: bumpbot

30 Aug 2026, 10:33

ER

A motorboat, which is set to travel at k kilometers per hour in still

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

23 May 2020, 08:33

73

5

15,906

by: ohhno

30 Aug 2026, 01:35

ER

Franklins wage increased by what percent? (1) Franklins wage after

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

27 Aug 2026, 19:00

4

3

301

by: ohhno

30 Aug 2026, 01:33

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

13

3

1,012

by: SkyBulb

29 Aug 2026, 21:34

ER

Chemical X costs $4 per ounce, and Chemical Y costs $8 per ounce. If 3

705-805 (Hard) | Mixture Problems

705-805 (Hard) | Mixture Problems hide tags

AkshdeepS

29 Dec 2017, 09:25

21

8

6,580

by: bumpbot

29 Aug 2026, 12:40

ER

Last summer, as with every summer, Oshin and Reena made exactly one

655-705 (Hard) | Non-Math Related, Word Problems

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

GMATCoachBen

06 Feb 2024, 18:42

151

10

14,243

by: egmat

28 Aug 2026, 14:19