AMCAT Logical Reasoning 3

Question 1

A is the brother of B. B is the sister of C. C is the son of D. How is A related to D?

Accepted Answer

Son or Daughter

Answer

A's gender is unspecified; C is D's son, and A and C are siblings, so A is D's son or daughter.

Question 2

In a certain code, 'go to school' is written as 'la fa ka' and 'go back home' is written as 'la ma na'. What is the code for 'go'?

Accepted Answer

la

Answer

'go' is the common word in both phrases, and 'la' is the common code, so 'go' = 'la'.

Question 3

Which of the following can be a valid conclusion? 'No teachers are liars. All politicians are liars.'

Accepted Answer

No politicians are teachers

Answer

Since no teachers are liars but all politicians are liars, no politician can be a teacher.

Question 4

Series: 1, 1, 2, 3, 5, 8, 13, __. What comes next?

Accepted Answer

21

Answer

This is the Fibonacci sequence; 13 + 8 = 21.

Question 5

Five friends sit in a row. P sits to the right of Q and to the left of R. S sits to the right of R. T sits to the left of Q. Who sits in the middle?

Accepted Answer

P

Answer

Order from left: T, Q, P, R, S — P is in the middle (3rd position).

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