GMAT Club Forum

772

ER

100 Hardest and easiest questions for DS as of April 2024

Bunuel

19

161241

by: bumpbot

28 Nov 2023, 14:32

1418

ER

DS Question Directory by Topic and Difficulty

Tags: Difficulty: 655-705 Level

bb

0

447314

by: bb

07 Mar 2012, 08:58

2

ER

The ratio of men to women employed by Company X in 1995 was 1 to 2

Tags: Difficulty: 555-605 Level, Fractions/Ratios/Decimals, Word Problems

Bunuel

1

376

by: Nidzo

12 Apr 2024, 04:58

9

ER

A certain company received applications from 95 people for a job it ha

Tags: Difficulty: 705-805 Level, Overlapping Sets

Russ19

4

1898

by: Rohan271

12 Apr 2024, 05:13

8

The positive integers p, q, and r each have the same remainder when

Tags: Difficulty: 605-655 Level, Number Properties, Remainders

TBT

3

1211

by: Rohan271

12 Apr 2024, 05:37

3

ER

Jonathan would like to visit one of the 12 gyms in his area. If he

Tags: Difficulty: 505-555 Level, Probability

Bunuel

2

1738

by: Rebaz

12 Apr 2024, 06:13

2

ER

What is the probability of selecting a white ball from a jar at random

Tags: Difficulty: 505-555 Level, Probability

Bunuel

2

3059

by: bumpbot

12 Apr 2024, 06:20

350

ER

If m is a positive integer, then m^3 has how many digits?

Tags: Difficulty: 705-805 Level, Fractions/Ratios/Decimals

Bunuel

10

39700

by: bumpbot

12 Apr 2024, 09:46

31

ER

If x and y are positive integers such that the product of x

Tags: Difficulty: 655-705 Level, Exponents/Powers, Number Properties

saikiranx

8

6959

by: bumpbot

12 Apr 2024, 10:00

40

ER

For positive integers x and y, x^2 = 350y. Is y divisible

Tags: Difficulty: 805+ Level, Divisibility/Multiples/Factors

jayaddula

11

8411

by: bumpbot

12 Apr 2024, 10:02

6

ER

If n is a one-digit positive integer, what is n ?

Tags: Difficulty: 655-705 Level, Exponents/Powers, Number Properties

Bunuel

3

3916

by: bumpbot

12 Apr 2024, 10:06

11

ER

12 Days of Christmas GMAT Competition - Day 10: Is m+10 positive?

Tags: Difficulty: 655-705 Level, Number Properties

Bunuel

6

3079

by: bumpbot

12 Apr 2024, 11:04

30

ER

If j > 1, is integer j a prime number? (1) When j is divided by 3, th

Tags: Difficulty: 605-655 Level, Number Properties, Remainders

shasadou

8

9790

by: bumpbot

12 Apr 2024, 12:26

42

ER

If a and b are non-negative integers, is ab prime?

Tags: Difficulty: 605-655 Level, Number Properties

zxcvbnmas

8

12083

by: bumpbot

12 Apr 2024, 12:36

8

ER

Yesterday each coat in a store was offered on sale price.

Tags: Difficulty: 555-605 Level, Word Problems

Starburst10

5

1071

by: Bunuel

12 Apr 2024, 13:47

4

ER

Principal of a school recorded the number of students in each of 15 cl

Tags: Difficulty: 555-605 Level, Statistics and Sets Problems

Bunuel

7

1858

by: bumpbot

12 Apr 2024, 18:27

7

ER

Diana is traveling from Morristown to Lotusville in a car that average

Tags: Difficulty: 555-605 Level, Word Problems

Bunuel

1

481

by: Edoua

12 Apr 2024, 21:37

10

ER

If positive integer n<=3 and n is the number of times a coin is flippe

Tags: Difficulty: 805+ Level, Probability

Bunuel

3

2662

by: bumpbot

12 Apr 2024, 21:42

6

ER

All but 5 students in a certain calculus class took the final exam on

Tags: Difficulty: 555-605 Level, Statistics and Sets Problems

guddo

5

1677

by: Aryaa03

13 Apr 2024, 00:08

34

ER

Is the integer p divisible by 5 ? (1) p is divisible by 10. (2) p is

Tags: Difficulty: Sub 505 Level, Divisibility/Multiples/Factors

Bunuel

9

14803

by: bumpbot

13 Apr 2024, 01:22

9

ER

Is 4 + n/6 an integer?

Tags: Difficulty: Sub 505 Level, Divisibility/Multiples/Factors, Number Properties

calvinhobbes

14

6319

by: bumpbot

13 Apr 2024, 01:31

15

ER

Is 12 a factor of the positive integer n?

Tags: Difficulty: 555-605 Level, Divisibility/Multiples/Factors

Bunuel

6

6374

by: bumpbot

13 Apr 2024, 01:42

14

ER

If z is a positive integer, is z + 1 a factor of 105?

Tags: Difficulty: 655-705 Level, Number Properties

d999

3

3343

by: bumpbot

13 Apr 2024, 01:44

93

ER

Set S consists of more than two integers. Are all the integers in set

Tags: Difficulty: 805+ Level, Number Properties

ZArslan

15

13778

by: bumpbot

13 Apr 2024, 02:35

48

ER

A store sells two types of birdfeeder: Alphas and Bravos.

Tags: Difficulty: 805+ Level, Word Problems

Maxswe

10

6962

by: bumpbot

13 Apr 2024, 02:58

210

ER

If x is a positive integer greater than 1, what is the value of x?

Tags: Difficulty: 555-605 Level, Divisibility/Multiples/Factors

Bunuel

19

45604

by: bumpbot

13 Apr 2024, 03:28

46

ER

If r and s are nonzero integers, is r/s an integer ?

Tags: Difficulty: 505-555 Level, Algebra, Number Properties

Bunuel

4

12867

by: bumpbot

13 Apr 2024, 03:46

24

ER

If d and e are positive integers, is d a multiple of 9?

Tags: Difficulty: 505-555 Level, Fractions/Ratios/Decimals, Number Properties

cdrectenwald

7

8042

by: bumpbot

13 Apr 2024, 03:47

4

ER

If x is an integer, is 72/x an integer?

Tags: Difficulty: 555-605 Level, Divisibility/Multiples/Factors

Bunuel

3

4297

by: bumpbot

13 Apr 2024, 03:52

20

ER

If Q is a positive integer, is 300 a factor of Q?

Tags: Difficulty: 655-705 Level, Divisibility/Multiples/Factors

Bunuel

3

4844

by: bumpbot

13 Apr 2024, 04:15

33

ER

Is positive integer z greater than 275?

Tags: Difficulty: 555-605 Level, Divisibility/Multiples/Factors

shasadou

9

8261

by: bumpbot

13 Apr 2024, 04:24

49

ER

n is an integer such that n ≥ 0. For n > 0, the sequence tn is defined

Tags: Difficulty: 705-805 Level, Divisibility/Multiples/Factors, Number Properties, Sequences

Bunuel

9

9098

by: bumpbot

13 Apr 2024, 05:25

23

ER

If x, y, and z are positive integers such that x < y < z, is x a facto

Tags: Difficulty: 655-705 Level, Divisibility/Multiples/Factors, Number Properties

Bunuel

9

4616

by: bumpbot

13 Apr 2024, 05:31

66

ER

Is the sum of integers a and b divisible by 7?

Tags: Difficulty: 655-705 Level, Divisibility/Multiples/Factors, Remainders

gmatjon

17

12923

by: bumpbot

13 Apr 2024, 05:33

69

ER

If n is a positive integer greater than 6, what is the remai

Tags: Difficulty: 655-705 Level, Divisibility/Multiples/Factors, Remainders

russ9

11

14133

by: bumpbot

13 Apr 2024, 05:35

28

ER

Is positive integer n – 1 a multiple of 3?

Tags: Difficulty: 705-805 Level, Divisibility/Multiples/Factors

ShreeCS

8

7236

by: bumpbot

13 Apr 2024, 05:40

42

ER

If x, y and z are integers and xyz is divisible by 8, is x e

Tags: Difficulty: 705-805 Level, Divisibility/Multiples/Factors, Number Properties

enigma123

11

9172

by: bumpbot

13 Apr 2024, 05:42

150

ER

If x and y are integers, is xy + 1 divisible by 3 ?

Tags: Difficulty: 555-605 Level, Remainders

Bunuel

12

19621

by: bumpbot

13 Apr 2024, 07:58

35

ER

How much did credit-card fraud cost United States banks in year X to

Tags: Difficulty: Sub 505 Level, Percent and Interest Problems

carcass

6

13234

by: faria.leos

13 Apr 2024, 08:01

32

ER

Juana mailed at least one letter on each day last week. Was the total

Tags: Difficulty: 605-655 Level, Word Problems

Bunuel

10

6311

by: KarishmaB

13 Apr 2024, 08:51

1

Gregory wants to invest in two shares Alpha and Beta. If the share

Tags: Difficulty: 705-805 Level, Number Properties

Kritisood

4

1333

by: Fish181

13 Apr 2024, 11:21

16

ER

If a^n ≠ 0 and n is a positive integer, is n odd?

Tags: Difficulty: 705-805 Level, Exponents/Powers

jellybean23

4

4326

by: bumpbot

13 Apr 2024, 13:01

60

ER

a=x+y and b=x-y. If a^2=b^2, what is the value of y?

Tags: Difficulty: 655-705 Level, Exponents/Powers, Inequalities

HumptyDumpty

10

10452

by: bumpbot

13 Apr 2024, 13:05

3

ER

X, Y, Z, W are all positive.. What is the value of the ratio Z:W ?

Tags: Difficulty: 555-605 Level, Arithmetic, Fractions/Ratios/Decimals

amanvermagmat

4

1434

by: bumpbot

13 Apr 2024, 13:31

127

ER

If m and n are positive integers, is n even?

Tags: Difficulty: 705-805 Level, Number Properties

gmatt1476

16

18289

by: bumpbot

13 Apr 2024, 15:08

12

ER

Consider an integer x=251n9 where n represents the tens digit of x, wh

Tags: Difficulty: 555-605 Level, Divisibility/Multiples/Factors

stonecold

3

4261

by: bumpbot

13 Apr 2024, 21:42

3

Of the members in a certain club, 70 percent are women. Is the average

Tags: Difficulty: 605-655 Level, Statistics and Sets Problems

gmathero911

1

469

by: gmatophobia

13 Apr 2024, 22:15

2

A clothing store sold a certain brand of shirts for X dollars each las

Tags: Difficulty: 605-655 Level, Word Problems

gmathero911

1

509

by: gmatophobia

13 Apr 2024, 22:36

8

ER

If n is a positive integer, are n and 1 the only positive divisors of

Tags: Difficulty: Sub 505 Level, Number Properties

GMATBusters

4

7514

by: bumpbot

13 Apr 2024, 23:29

81

ER

The operation* represents either addition, subtraction, or multiplicat

Tags: Difficulty: 555-605 Level, Arithmetic, Functions and Custom Characters

vaivish1723

8

26068

by: bumpbot

14 Apr 2024, 01:25

67

ER

If x and y are integers and 4xy = x^2*y+4y, what is the value of xy?

Tags: Difficulty: 805+ Level, Algebra

kashishh

14

17916

by: bumpbot

14 Apr 2024, 01:58

760

ER

New DS set!!!

Tags: Difficulty: 555-605 Level, Difficulty: 655-705 Level, Algebra, Fractions/Ratios/Decimals, Geometry, Inequalities, Probability, Remainders, Work/Rate Problems

Go to page: 1, 2, 3

Bunuel

56

128791

by: Bunuel

14 Apr 2024, 02:44

GMAT Data Sufficiency (DS)