GMAT Club Forum

ER

100 Hardest and easiest questions for DS as of April

Bunuel

21 Aug 2015, 03:42

774

19

162,024

by: bumpbot

28 Nov 2023, 14:32

ER

DS Question Directory by Topic and Difficulty

655-705 Level

655-705 Level hide tags

bb

07 Mar 2012, 08:58

1,419

0

448,107

by: bb

07 Mar 2012, 08:58

ER

If x is a positive integer, what is the number of

705-805 Level | Divisibility/Multiples/Factors

705-805 Level | Divisibility/Multiples/Factors hide tags

Bunuel

16 Dec 2019, 02:40

18

4

2,897

by: bumpbot

07 May 2024, 03:41

ER

Is the overall average score of the 3 classes A, B,

655-705 Level | Statistics and Sets Problems

655-705 Level | Statistics and Sets Problems hide tags

Bunuel

25 May 2022, 05:30

7

3

887

by: bumpbot

07 May 2024, 00:22

ER

What is the arithmetic mean (simple average) of a

655-705 Level | Sequences

655-705 Level | Sequences hide tags

Bunuel

17 Oct 2020, 13:08

7

3

2,043

by: bumpbot

06 May 2024, 23:57

ER

Is A*B*C an odd integer? (1) A*B is an even integer

705-805 Level | Number Properties

705-805 Level | Number Properties hide tags

Bunuel

25 Nov 2019, 02:23

21

6

3,133

by: bumpbot

06 May 2024, 23:51

ER

If k does not equal 0, 1 or -1, is 1/k > 0 (1)

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bull78

10 Aug 2010, 12:05

74

13

26,696

by: Nitish05

06 May 2024, 23:41

ER

The figure above shows two entries, indicated by m and

505-555 Level | Arithmetic

505-555 Level | Arithmetic hide tags

marcodonzelli

20 Jan 2008, 03:18

164

18

57,127

by: bumpbot

06 May 2024, 22:37

ER

In triangle ABC, side AB is 5 inches and side BC is 7

505-555 Level | Geometry

505-555 Level | Geometry hide tags

Jackal

05 Nov 2014, 07:53

11

4

5,250

by: bumpbot

06 May 2024, 17:59

ER

The population of the town of Paxton continuously

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

06 May 2024, 01:30

3

2

360

by: sayan640

06 May 2024, 15:12

ER

Is p + q > pq ? (1) p > 0 > q (2) |q| = p

705-805 Level | Inequalities

705-805 Level | Inequalities hide tags

Bunuel

25 May 2022, 06:44

4

2,609

by: bumpbot

06 May 2024, 13:10

ER

What is the value of (a+b)^2?

Sub 505 Level | Algebra

Sub 505 Level | Algebra hide tags

megafan

24 Dec 2012, 18:59

17

6

8,122

by: bumpbot

06 May 2024, 12:54

ER

A number of eggs dyed various colors were hidden for

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

Bunuel

17 Nov 2014, 12:49

16

5

5,274

by: bumpbot

06 May 2024, 12:51

ER

If p, q, r, and s are non-zero numbers, is pr/qs >

705-805 Level | Inequalities

705-805 Level | Inequalities hide tags

Aurion

29 Aug 2014, 00:11

16

13

9,234

by: bumpbot

06 May 2024, 12:22

ER

The next number in a certain sequence is defined by

705-805 Level | Sequences

705-805 Level | Sequences hide tags

akijuneja

12 Sep 2013, 06:13

150

18

24,408

by: bumpbot

06 May 2024, 12:02

ER

Is the average of n consecutive integers equal to 1 ?

805+ Level | Number Properties, Statistics and Sets Problems

805+ Level | Number Properties, Statistics and Sets Problems hide tags

enigma123

02 Jul 2011, 14:30

60

12

12,295

by: bumpbot

06 May 2024, 11:59

ER

Steve deposited $100 to open a savings account. If

505-555 Level | Percent and Interest Problems

505-555 Level | Percent and Interest Problems hide tags

Bunuel

01 May 2024, 01:30

3

475

by: sayan640

06 May 2024, 11:27

ER

In a certain school, teachers who lecture English and

705-805 Level | Probability

705-805 Level | Probability hide tags

MathRevolution

08 Jun 2016, 17:02

6

4

2,792

by: bumpbot

06 May 2024, 10:59

ER

A pentagon with 5 sides of equal length and 5 interior

805+ Level | Geometry

805+ Level | Geometry hide tags

1, 2, 3, 4

Bunuel

26 Apr 2019, 03:21

1,006

70

91,369

by: IanStewart

06 May 2024, 10:35

ER

At a certain pancake festival with 600 attendees in

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

26 Jul 2016, 09:50

1

6

4,592

by: bumpbot

06 May 2024, 10:10

ER

A worker is hired for 7 days. Each day, he is paid 11

705-805 Level | Word Problems

705-805 Level | Word Problems hide tags

Bunuel

06 May 2024, 01:30

2

414

by: Nidzo

06 May 2024, 08:43

ER

How many different prime factors does x have?

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

Harley1980

13 Apr 2015, 21:18

15

6

3,153

by: bumpbot

06 May 2024, 06:14

ER

If N is a positive integer, does N have exactly three

655-705 Level | Divisibility/Multiples/Factors, Number Properties

655-705 Level | Divisibility/Multiples/Factors, Number Properties hide tags

Bunuel

18 Nov 2020, 06:33

9

4

5,966

by: bumpbot

06 May 2024, 04:33

ER

A coal company can choose to transport coal to one of

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

Bunuel

09 Dec 2014, 07:29

2

4

5,588

by: bumpbot

06 May 2024, 01:51

ER

If s is a two-digit positive number, where q is the

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

Bunuel

12 Aug 2019, 01:46

3

1,591

by: bumpbot

05 May 2024, 23:51

ER

If a and b are positive integers, is a b odd? (1) a/b

705-805 Level | Number Properties

705-805 Level | Number Properties hide tags

Bunuel

02 Mar 2023, 02:30

8

3

1,156

by: bumpbot

05 May 2024, 21:46

ER

Machines K, M, and N, each working alone at its

705-805 Level | Work Problems

705-805 Level | Work Problems hide tags

parkhydel

28 Apr 2020, 05:19

297

16

21,654

by: KarishmaB

05 May 2024, 21:37

ER

Khalil drove 120 kilometers in a certain amount of

705-805 Level | Distance Problems

705-805 Level | Distance Problems hide tags

gmatt1476

21 Sep 2019, 16:02

163

12

18,099

by: KarishmaB

05 May 2024, 21:36

ER

Currently there are 50 picture books on each shelf in

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

04 Jun 2018, 09:09

40

7

11,271

by: bumpbot

05 May 2024, 11:53

ER

Is 5^k less than 1,000? (1) 5^(k+1) > 3,000 (2)

555-605 Level | Exponents, Inequalities

555-605 Level | Exponents, Inequalities hide tags

Walkabout

26 Dec 2012, 04:41

300

16

37,047

by: bumpbot

05 May 2024, 09:33

ER

If x and y are nonzero integers, is x/y an integer?

505-555 Level | Number Properties

505-555 Level | Number Properties hide tags

dzodzo85

03 Apr 2012, 01:41

34

7

29,615

by: bumpbot

05 May 2024, 09:10

ER

If x + y 0, is 1/(x + y) < 2? (1) x^3 = y^3 (2) 1/x

605-655 Level | Inequalities

605-655 Level | Inequalities hide tags

Bunuel

09 Sep 2022, 04:23

11

7

1,772

by: bumpbot

05 May 2024, 08:32

ER

If x and y are integers, is x = 0? (1) (-2)^x*y^3 >

555-605 Level | Exponents, Inequalities

555-605 Level | Exponents, Inequalities hide tags

Bunuel

20 Jan 2022, 11:54

6

4

1,816

by: bumpbot

05 May 2024, 08:21

ER

If x is a number in the list above, what is the median

655-705 Level | Statistics and Sets Problems

655-705 Level | Statistics and Sets Problems hide tags

Bunuel

26 Apr 2019, 03:35

295

19

39,341

by: RenB

05 May 2024, 06:08

ER

Was 70 the average (arithmetic mean) grade on a class

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

rahulraao

08 Oct 2005, 08:58

14

7

14,258

by: bumpbot

05 May 2024, 05:53

ER

When all the boxes in a warehouse were arranged in

655-705 Level | Remainders, Word Problems

655-705 Level | Remainders, Word Problems hide tags

Bunuel

07 May 2023, 14:29

42

10

9,369

by: AnuK2222

05 May 2024, 00:16

ER

Can the total number of integers that divide x be

805+ Level | Divisibility/Multiples/Factors

805+ Level | Divisibility/Multiples/Factors hide tags

EgmatQuantExpert

28 Feb 2017, 04:16

21

5

5,337

by: bumpbot

04 May 2024, 12:24

ER

In the problem below, AB, CD, and EF are two-digit

805+ Level | Arithmetic

805+ Level | Arithmetic hide tags

Bunuel

06 Oct 2021, 05:30

10

5

2,652

by: bumpbot

04 May 2024, 12:20

ER

Train X leaves Los Angeles at 10:00AM and travels East

605-655 Level | Distance Problems

605-655 Level | Distance Problems hide tags

Bunuel

03 May 2024, 01:30

8

2

453

by: Scholar94

04 May 2024, 12:01

ER

GMAT CLUB OLYMPICS: In a survey of an Olympic team

805+ Level | Overlapping Sets

805+ Level | Overlapping Sets hide tags

Bunuel

24 Aug 2021, 08:00

21

4

4,644

by: bumpbot

04 May 2024, 06:19

ER

Of the companies surveyed about the skills they

555-605 Level | Overlapping Sets

555-605 Level | Overlapping Sets hide tags

Bunuel

25 Jun 2012, 03:08

241

12

38,344

by: bumpbot

04 May 2024, 05:26

ER

In a certain year the United Nations' total

605-655 Level | Percent and Interest Problems

605-655 Level | Percent and Interest Problems hide tags

GHIBI

30 Jan 2008, 04:04

58

7

19,784

by: bumpbot

04 May 2024, 02:36

ER

Pat has coins worth either $0.10 or $0.50. If she has

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

Bunuel

04 Apr 2024, 01:30

3

2

881

by: Bunuel

04 May 2024, 02:15

ER

In the correctly-worked multiplication problem above,

805+ Level | Arithmetic, Number Properties

805+ Level | Arithmetic, Number Properties hide tags

Bunuel

06 May 2015, 02:36

83

7

12,130

by: bumpbot

04 May 2024, 00:05

ER

When the positive number a is rounded to the nearest

705-805 Level | Number Properties

705-805 Level | Number Properties hide tags

frankiegar

19 Sep 2012, 06:11

96

13

23,417

by: bumpbot

03 May 2024, 21:56

ER

The sum of two positive integers, m and n, is a

705-805 Level | Divisibility/Multiples/Factors, Remainders

705-805 Level | Divisibility/Multiples/Factors, Remainders hide tags

sps1604

13 Jun 2013, 05:57

57

9

8,093

by: bumpbot

03 May 2024, 17:33

ER

In a certain senior class, 72 percent of the male

655-705 Level | Overlapping Sets

655-705 Level | Overlapping Sets hide tags

tejal777

15 Aug 2009, 20:13

112

11

30,514

by: bumpbot

03 May 2024, 15:31

ER

The difference between positive two-digit integer A

805+ Level | Divisibility/Multiples/Factors, Number Properties

805+ Level | Divisibility/Multiples/Factors, Number Properties hide tags

Bunuel

23 Apr 2015, 03:57

70

12

6,291

by: bumpbot

03 May 2024, 11:19

ER

For nonnegative integers x and y, what is the

805+ Level | Remainders

805+ Level | Remainders hide tags

JJ2014

15 Dec 2012, 11:35

43

19

10,047

by: bumpbot

03 May 2024, 11:12

ER

An old man distributed his estate worth x dollars to

605-655 Level | Word Problems

605-655 Level | Word Problems hide tags

Bunuel

03 May 2024, 01:30

4

2

469

by: Nidzo

03 May 2024, 05:12

ER

If a and b are single digits from 0 to 9, inclusive,

705-805 Level | Divisibility/Multiples/Factors

705-805 Level | Divisibility/Multiples/Factors hide tags

Bunuel

28 Jul 2017, 04:01

6

8

1,841

by: bumpbot

03 May 2024, 04:38

ER

For Manufacturer M, the cost C of producing X units of

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

anandsebastin

28 Oct 2006, 15:49

49

12

21,395

by: bumpbot

03 May 2024, 00:55

Data Sufficiency (DS)