GMAT Club Forum

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

Bunuel

25 Oct 2022, 08:11

55

7

24,471

by: unicornilove

22 May 2024, 11:49

ER

100 Hardest and easiest questions for DS as of May 2024

Bunuel

21 Aug 2015, 03:42

775

19

162,690

by: bumpbot

28 Nov 2023, 14:32

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,422

0

449,051

by: bb

07 Mar 2012, 08:58

ER

The table above shows the results of a survey of 100 customers of a pa

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

Bunuel

16 Aug 2019, 02:27

16

6

3,234

by: ashdank94

02 Jun 2024, 15:54

ER

If x, y, and z are integers, and x < y < z, is z y = y

805+ Level | Statistics and Sets Problems

805+ Level | Statistics and Sets Problems hide tags

kairoshan

18 Nov 2009, 21:43

120

12

20,638

by: bumpbot

02 Jun 2024, 17:03

ER

What is the Median of the set A? 1) Mean of the set A is 10 2) Range

505-555 Level | Statistics and Sets Problems

505-555 Level | Statistics and Sets Problems hide tags

GMATinsight

22 May 2017, 08:19

2

5

1,767

by: sayan640

02 Jun 2024, 18:28

ER

The population of the town of Paxton continuously increased in the two

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

06 May 2024, 01:30

4

576

by: yazadsarkari

02 Jun 2024, 19:43

ER

What is the standard deviation of the set A? 1) Mean of the set A is

555-605 Level | Statistics and Sets Problems

555-605 Level | Statistics and Sets Problems hide tags

GMATinsight

22 May 2017, 08:14

6

3

2,920

by: sayan640

02 Jun 2024, 22:10

ER

Of the 25 people in Tom's apartment building, what is the ratio of peo

605-655 Level | Overlapping Sets

605-655 Level | Overlapping Sets hide tags

Bunuel

24 May 2022, 09:39

7

3

1,240

by: bumpbot

02 Jun 2024, 23:05

ER

What is the value of (x + y)^2 (1) x^2 + xy = 3 (2) y^2 + yx = 5

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

Bunuel

21 Jan 2020, 04:29

6

2

2,800

by: bumpbot

03 Jun 2024, 00:20

ER

A sandwich shop offers a sandwich menu, a soup menu, and a salad menu.

805+ Level | Combinations

805+ Level | Combinations hide tags

nick13

07 Oct 2023, 15:56

28

10

4,096

by: KarishmaB

03 Jun 2024, 00:43

ER

The only contents of a bag of candy are 100 jelly beans and 10

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

03 Jun 2024, 01:30

2

146

by: Purnank

03 Jun 2024, 02:22

ER

In a spelling competition, competitors were required to spell 108

655-705 Level | Overlapping Sets

655-705 Level | Overlapping Sets hide tags

Bunuel

30 May 2024, 01:30

2

4

304

by: ribbons

03 Jun 2024, 02:36

ER

X, Y and Z were the only candidates in a certain election. If Y and Z

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

03 Jun 2024, 01:30

5

3

130

by: Rucha.Shukla

03 Jun 2024, 04:14

ER

A scientist recorded the number of eggs in each of 10 birds' nests.

Sub 505 Level | Statistics and Sets Problems

Sub 505 Level | Statistics and Sets Problems hide tags

Bunuel

11 Sep 2012, 04:50

95

13

29,692

by: bumpbot

03 Jun 2024, 04:17

ER

Guy's net income equals his gross income minus his deductions. By what

555-605 Level | Percent and Interest Problems, Word Problems

555-605 Level | Percent and Interest Problems, Word Problems hide tags

Bunuel

01 Oct 2012, 05:25

217

16

44,642

by: bumpbot

03 Jun 2024, 04:20

ER

A total of $60,000 was invested for one year. Part of this amount earn

655-705 Level | Percent and Interest Problems

655-705 Level | Percent and Interest Problems hide tags

1, 2

RadhaKrishnan

28 Jan 2012, 04:05

358

24

58,659

by: bumpbot

03 Jun 2024, 04:32

ER

If the ratio of the number of teachers to the number of students

605-655 Level | Fractions and Ratios

605-655 Level | Fractions and Ratios hide tags

Walkabout

06 Dec 2012, 04:50

275

18

44,684

by: bumpbot

03 Jun 2024, 04:35

ER

A tank contains x gallons of antifreeze that is, by volume, y% of

705-805 Level | Mixture Problems

705-805 Level | Mixture Problems hide tags

ekwok

28 Dec 2023, 21:27

13

3

1,489

by: egmat

03 Jun 2024, 04:51

ER

A certain catering company's cost to cater a dinner for n people is 5

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

guddo

24 Jan 2024, 01:17

5

2

1,697

by: egmat

03 Jun 2024, 04:52

ER

Last year the average (arithmetic mean) salary of the 10 employees of

555-605 Level | Statistics and Sets Problems

555-605 Level | Statistics and Sets Problems hide tags

Bunuel

16 Jul 2012, 04:51

208

13

38,411

by: bumpbot

03 Jun 2024, 04:53

ER

The only gift certificates that a certain store sold yesterday were

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

Bunuel

25 Jun 2012, 02:58

151

18

34,424

by: bumpbot

03 Jun 2024, 04:58

ER

In a certain classroom, there are 80 books, of which 24 are fiction an

505-555 Level | Overlapping Sets

505-555 Level | Overlapping Sets hide tags

Bunuel

16 Jul 2012, 04:54

59

16

20,302

by: bumpbot

03 Jun 2024, 05:27

ER

At a certain fruit stand, oranges cost $0.35 each and grapefruits cost

605-655 Level | Word Problems

605-655 Level | Word Problems hide tags

najanapat

22 Feb 2024, 15:10

8

4

1,730

by: Bunuel

03 Jun 2024, 05:44

ER

A certain company has 500 employees split among three divisions, such

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

31 May 2024, 01:30

8

2

281

by: tgsankar10

03 Jun 2024, 05:50

ER

If a, b, and c are positive numbers such that a is b percent

605-655 Level | Percent and Interest Problems

605-655 Level | Percent and Interest Problems hide tags

kingflo

20 Jul 2013, 07:08

48

7

22,871

by: bumpbot

03 Jun 2024, 06:28

ER

What is the ratio of the amount, by weight, of Metal A to Metal B in A

555-605 Level | Fractions and Ratios

555-605 Level | Fractions and Ratios hide tags

guddo

30 May 2024, 11:02

1

162

by: RIqO

03 Jun 2024, 06:37

ER

The average (arithmetic mean) of the original six prices for six coats

805+ Level | Word Problems

805+ Level | Word Problems hide tags

Bunuel

06 Apr 2022, 08:30

6

3

1,612

by: bumpbot

03 Jun 2024, 07:38

ER

What is the positive integer n?

705-805 Level | Multiples and Factors, Number Properties

705-805 Level | Multiples and Factors, Number Properties hide tags

enigma123

27 Jan 2012, 15:44

57

7

12,636

by: bumpbot

03 Jun 2024, 11:51

ER

If b is the product of three consecutive positive integers c

555-605 Level | Multiples and Factors

555-605 Level | Multiples and Factors hide tags

milind1979

18 Apr 2009, 20:43

48

15

18,052

by: bumpbot

03 Jun 2024, 13:07

ER

For how many days are rations expected to last in a camp of 100 soldie

705-805 Level | Work and Rate Problems

705-805 Level | Work and Rate Problems hide tags

Bunuel

05 Jul 2017, 00:41

16

7

3,297

by: bumpbot

03 Jun 2024, 13:39

ER

Are all travelers who show symptoms of Kasparian-Yamanaka Syndrome

555-605 Level | Non-Math Related

555-605 Level | Non-Math Related hide tags

Bunuel

16 Jan 2024, 10:30

4

5

1,060

by: sayan640

03 Jun 2024, 17:49

ER

After 360 liters of fuel were added to a container, the amount of fuel

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

11 Oct 2019, 02:09

5

4

2,821

by: bumpbot

03 Jun 2024, 19:19

ER

A research project has a successful outcome if its research is

705-805 Level | Non-Math Related

705-805 Level | Non-Math Related hide tags

GMATinsight

26 May 2024, 02:12

6

9

554

by: MartyMurray

03 Jun 2024, 19:56

ER

It has been proposed that teenagers aged 10 to 15 years be restricted

805+ Level | Non-Math Related

805+ Level | Non-Math Related hide tags

GMATinsight

26 May 2024, 02:07

3

6

357

by: sayan640

03 Jun 2024, 20:19

ER

If the positive integer N has only three prime factors 2, 3, and 5

655-705 Level | Multiples and Factors

655-705 Level | Multiples and Factors hide tags

Bunuel

30 Jan 2023, 12:15

2

710

by: bumpbot

03 Jun 2024, 20:19

ER

M=24.abc. When M is rounded to the nearest hundredths digit, it become

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

happypuppy

03 Jan 2022, 07:02

3

768

by: bumpbot

03 Jun 2024, 20:23

Data Sufficiency (DS)