Question

From a well-shuffled pack of 52 cards a card is drawn at random. Find probability that the drawn card is a king or a queen.

Answer 1

Event A:Cardisakingz ⇒ n(A)=4 

B = Card is a Queen ⇒ n(B) = 4 

A & B are mutually exclusive (A ∩ B) = (A ∩ B) = 9, 

P(A or B) = P(A∪B) = P(A) +P(B)