HBS Logical Reasoning

Question 1

If all roses are flowers and some flowers fade quickly, which of the following must be true?

Accepted Answer

Some roses may fade quickly

Answer

All roses fade quickly

Answer

No roses fade quickly

Answer

All flowers are roses

Question 2

A sequence follows the rule: add 3, subtract 1, add 3, subtract 1... Starting from 4, what is the 6th term?

Accepted Answer

14

Answer

12

Answer

13

Answer

11

Question 3

Tom is taller than Sam. Sam is taller than Mia. Mia is taller than Leo. Who is the second tallest?

Accepted Answer

Sam

Answer

Tom

Answer

Mia

Answer

Leo

Question 4

In a group of 30 students, 18 like maths and 15 like science. If every student likes at least one subject, how many like both?

Accepted Answer

3

Answer

5

Answer

7

Answer

33

Question 5

If STAR is coded as UVCT, how would MOON be coded using the same rule?

Accepted Answer

OQPP

Answer

NQQP

Answer

OQPR

Answer

NPPQ

Question 6

Anna, Ben, and Cara each have a different pet: a cat, a dog, or a rabbit. Anna does not have the cat. Ben does not have the dog. Cara has the rabbit. Who has the cat?

Accepted Answer

Ben

Answer

Anna

Answer

Cara

Answer

Cannot be determined

Question 7

Which number does NOT belong in this group: 16, 25, 36, 48, 49, 64?

Accepted Answer

48

Answer

25

Answer

36

Answer

49