GMAT Club Forum

ER

100 Hardest and easiest questions for DS as of April

Bunuel

21 Aug 2015, 03:42

774

19

162,017

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

448,100

by: bb

07 Mar 2012, 08:58

ER

If k=x/(5^2z^b), where x is a positive integer, and k

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

Bunuel

28 Apr 2016, 01:11

14

3

2,506

by: Extension-Oil7460

09 May 2024, 20:03

If r and s are positive integers and rs = 20, what is

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

carcass

21 Sep 2022, 04:23

2

734

by: bumpbot

09 May 2024, 18:24

Is the highest common factor of (a,b) less than 10? 1)

605-655 Level | Divisibility/Multiples/Factors, Number Properties

605-655 Level | Divisibility/Multiples/Factors, Number Properties hide tags

TheUltimateWinner

30 Jun 2019, 08:36

5

2

881

by: bumpbot

09 May 2024, 18:23

ER

What is the highest common factor of three positive

605-655 Level | Divisibility/Multiples/Factors

605-655 Level | Divisibility/Multiples/Factors hide tags

Bunuel

03 Mar 2020, 02:39

13

2

2,830

by: bumpbot

09 May 2024, 18:14

ER

A survey was made of 100 students who study German,

605-655 Level | Overlapping Sets

605-655 Level | Overlapping Sets hide tags

Bunuel

14 Jun 2022, 23:15

2

972

by: bumpbot

09 May 2024, 18:07

ER

If x is positive integer, is 2x an integer?

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

Bunuel

14 Apr 2023, 09:45

3

2

704

by: bumpbot

09 May 2024, 17:43

ER

Is the integer z divisible by 15?

605-655 Level | Divisibility/Multiples/Factors

605-655 Level | Divisibility/Multiples/Factors hide tags

Bunuel

16 Dec 2020, 01:15

13

11

2,232

by: bumpbot

09 May 2024, 17:23

ER

Is the average of x consecutive integers divisible by

655-705 Level | Number Properties, Statistics and Sets Problems

655-705 Level | Number Properties, Statistics and Sets Problems hide tags

GMATinsight

13 Mar 2021, 02:50

9

2

1,080

by: jager

09 May 2024, 12:14

ER

In a photo contest, prize money of $30, $20, and $10

655-705 Level | Algebra

655-705 Level | Algebra hide tags

Swagatalaxmi

09 May 2024, 10:52

3

1

275

by: MartyMurray

09 May 2024, 11:52

ER

The least common multiple of positive integers p and q

805+ Level | Divisibility/Multiples/Factors

805+ Level | Divisibility/Multiples/Factors hide tags

Bunuel

28 Sep 2021, 01:30

5

4

2,169

by: Kinshook

09 May 2024, 11:27

ER

The only contents of a parcel are 25 photographs and

Sub 505 Level | Word Problems

Sub 505 Level | Word Problems hide tags

Bunuel

10 Feb 2014, 00:32

10

6

11,562

by: ISHAAN96

09 May 2024, 09:17

ER

If x is a prime number, what is the value of x?

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

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

kashishh

27 Mar 2012, 14:07

32

8

8,232

by: bumpbot

09 May 2024, 09:14

ER

If a is a positive integer and 81 divided by a results

655-705 Level | Remainders

655-705 Level | Remainders hide tags

kashishh

16 Jun 2012, 14:48

35

10

10,138

by: Bunuel

09 May 2024, 06:42

ER

Is the positive integer N divisible by 12?

805+ Level | Number Properties

805+ Level | Number Properties hide tags

gmatophobia

05 Feb 2023, 09:39

10

5

1,272

by: anushridi

09 May 2024, 06:25

ER

Each candle in a particular box is either round or

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

09 May 2024, 01:30

7

4

384

by: Nidzo

09 May 2024, 04:44

ER

How many integers k are there such that x < k <

805+ Level | Arithmetic

805+ Level | Arithmetic hide tags

BrentGMATPrepNow

21 Jan 2020, 07:11

26

3

2,788

by: bumpbot

09 May 2024, 04:14

ER

A certain medical insurance company sold two types of

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

09 May 2024, 01:30

2

1

239

by: Nidzo

09 May 2024, 04:10

ER

What is Joe's age (in years)?

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

BrentGMATPrepNow

10 Jun 2017, 13:58

11

4

3,916

by: bumpbot

09 May 2024, 04:07

ER

Pamela and Joe invested some money at annual simple

505-555 Level | Percent and Interest Problems

505-555 Level | Percent and Interest Problems hide tags

GMATBaumgartner

17 Oct 2012, 02:08

25

8

8,611

by: bumpbot

09 May 2024, 03:59

ER

When a player in a certain game tossed a coin a number

505-555 Level | Word Problems

505-555 Level | Word Problems hide tags

Walkabout

14 Dec 2012, 08:28

31

4

13,844

by: bumpbot

09 May 2024, 03:26

ER

Material M costs $10 per kg, and material N costs $20

655-705 Level | Statistics and Sets Problems

655-705 Level | Statistics and Sets Problems hide tags

ashikaverma13

28 Dec 2016, 10:49

22

4

11,037

by: bumpbot

09 May 2024, 02:13

ER

If p, q, r and s are positive integers, and q × s

555-605 Level | Remainders

555-605 Level | Remainders hide tags

Bunuel

30 Jul 2017, 22:44

10

4

1,930

by: bumpbot

08 May 2024, 18:05

In the xy-plane, a circle C is drawn with center at

805+ Level | Coordinate Geometry +2 tags

805+ Level | Coordinate Geometry, Geometry, Graphs and Illustrations hide tags

ktzsikka

13 Nov 2021, 08:11

20

8

6,193

by: Kinshook

08 May 2024, 16:03

ER

GMAT Club World Cup 2022 (DAY 2): Is the range of a

805+ Level | Statistics and Sets Problems

805+ Level | Statistics and Sets Problems hide tags

Bunuel

12 Jul 2022, 08:00

17

13

3,115

by: bumpbot

08 May 2024, 13:19

ER

The chart above provides a breakdown of car

805+ Level | Graphs and Illustrations

805+ Level | Graphs and Illustrations hide tags

Bunuel

26 Nov 2017, 09:29

10

8

3,640

by: bumpbot

08 May 2024, 10:59

ER

What is the remainder when the positive integer n is

Sub 505 Level | Remainders

Sub 505 Level | Remainders hide tags

co801dw

14 Oct 2012, 04:46

80

12

41,468

by: bumpbot

08 May 2024, 08:44

ER

If p and q are positive integers, is 21^p/630^q a

705-805 Level | Fractions/Ratios/Decimals

705-805 Level | Fractions/Ratios/Decimals hide tags

pushpitkc

01 Jan 2018, 00:02

20

5

4,372

by: bumpbot

08 May 2024, 05:38

ER

The total income of Mr. Teng in the years 2003, 2004,

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

08 May 2024, 01:30

1

312

by: Nidzo

08 May 2024, 04:51

ER

Students in a class are arranged to form groups of 4

655-705 Level | Number Properties, Remainders

655-705 Level | Number Properties, Remainders hide tags

Bunuel

08 May 2024, 01:30

4

1

317

by: Nidzo

08 May 2024, 04:38

ER

X and Y are real numbers. Is X*Y negative? (1)

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

amanvermagmat

13 Jan 2019, 22:13

5

7

1,551

by: bumpbot

08 May 2024, 04:32

ER

In a sequence of N consecutive positive integers, are

605-655 Level | Divisibility/Multiples/Factors

605-655 Level | Divisibility/Multiples/Factors hide tags

Bunuel

19 May 2021, 05:00

1

2

905

by: bumpbot

08 May 2024, 04:13

ER

p, q, r, s, t, u, v, w are all positive integers. If

605-655 Level | Exponents +2 tags

605-655 Level | Exponents, Fractions/Ratios/Decimals, Number Properties hide tags

kyloxylo

23 Dec 2019, 16:03

35

10

6,811

by: bumpbot

08 May 2024, 04:04

ER

If the mean of the set of 5 distinct positive integers

655-705 Level | Statistics and Sets Problems

655-705 Level | Statistics and Sets Problems hide tags

GMATBusters

09 May 2020, 18:59

4

10

3,520

by: bumpbot

08 May 2024, 03:49

ER

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

555-605 Level | Fractions/Ratios/Decimals

555-605 Level | Fractions/Ratios/Decimals hide tags

Bunuel

01 Dec 2021, 10:00

9

7

3,347

by: bumpbot

08 May 2024, 03:38

ER

If a and b are positive integers, is a a multiple of b?

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

energetics

06 Feb 2019, 18:36

16

5

6,651

by: bumpbot

08 May 2024, 03:32

ER

Jumbo Circus charges the same admit fee for each

655-705 Level | Word Problems

655-705 Level | Word Problems hide tags

GMATBusters

09 May 2020, 18:52

9

10

1,956

by: bumpbot

08 May 2024, 00:18

The price of a car was m dollars. It then depreciated

805+ Level | Percent and Interest Problems, Word Problems

805+ Level | Percent and Interest Problems, Word Problems hide tags

AweSome777

11 Jul 2019, 12:09

8

3

1,346

by: bumpbot

07 May 2024, 14:10

ER

Bill and Sally see each other across a field. They are

655-705 Level | Distance Problems

655-705 Level | Distance Problems hide tags

Bunuel

05 Oct 2017, 04:36

29

18

6,201

by: bumpbot

07 May 2024, 14:07

ER

Set C is a set of positive integers where 4 is least.

705-805 Level | Statistics and Sets Problems

705-805 Level | Statistics and Sets Problems hide tags

Bunuel

05 Oct 2017, 05:01

4

1,469

by: bumpbot

07 May 2024, 14:07

ER

Students in a class are arranged to form groups of 4

805+ Level | Remainders

805+ Level | Remainders hide tags

TARGET730

13 Dec 2014, 04:02

69

9

14,086

by: bumpbot

07 May 2024, 12:44

ER

If y 0, is |x| = 1 ? (1) x = y/|y| (2) |x| = -x

505-555 Level | Absolute Values

505-555 Level | Absolute Values hide tags

Bunuel

03 Aug 2018, 05:26

168

11

25,597

by: bumpbot

07 May 2024, 12:38

ER

If a and b are two-digit positive integers greater

805+ Level | Remainders

805+ Level | Remainders hide tags

1, 2

Bunuel

20 Jun 2014, 05:03

209

25

17,089

by: bumpbot

07 May 2024, 12:32

ER

The number of cats in Libbys house is twice the number

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

07 May 2024, 01:30

1

330

by: rahuljsaxena

07 May 2024, 09:35

ER

In a factory, there are workers, executives, and

555-605 Level | Word Problems

555-605 Level | Word Problems hide tags

Bunuel

07 May 2024, 01:30

4

358

by: Edoua

07 May 2024, 07:40

ER

If k is an integer greater than 1, is k equal to 2^r

655-705 Level | Divisibility/Multiples/Factors, Exponents

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

arjunrampal

29 Dec 2009, 10:00

175

12

28,065

by: bumpbot

07 May 2024, 06:50

ER

If m and r are two numbers on a number line, what is

705-805 Level | Absolute Values, Coordinate Geometry

705-805 Level | Absolute Values, Coordinate Geometry hide tags

msunny

18 Dec 2009, 15:27

280

18

28,306

by: bumpbot

07 May 2024, 06:33

ER

On a certain week, 950 visitors chose one of weekdays

805+ Level | Word Problems

805+ Level | Word Problems hide tags

Bunuel

28 Apr 2021, 03:30

11

5

1,889

by: Bunuel

07 May 2024, 06:25

ER

One kilogram of a certain coffee blend consists of x

805+ Level | Mixture Problems, Word Problems

805+ Level | Mixture Problems, Word Problems hide tags

imadkho

25 Mar 2012, 11:23

334

16

41,731

by: bumpbot

07 May 2024, 06:06

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

2,896

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

Data Sufficiency (DS)