MathDB

Five men,

A

B

C

D

E

are wearing caps of black or white colour without each knowing the colour of his cap. It is known that a man wearing black cap always speaks the truth while the ones wearing white always tell lies. If they make the following statements, find the colour worn by each of them:

A

: I see three black caps and one white cap.

B

: I see four white caps

C

: I see one black cap and three white caps

D

: I see your four black caps.

Problem Statement