Question

A piggy bank contains hundred 50p coins, seventy Rs 1 coins, fifty Rs 2 coins and thirty
Rs 5 coins. If it is equally likely that one of the coins will fall out when the bank is turned
upside down, what is the probability that the coin
(a) Will be a Rs. 1 coin?
(b) Will not be a Rs. 5 coin?
(c) Will be a Rs. 50 p or Rs.2 coin?

Answer 1

a) answer is 70/250

b)answer is 30/250

c)answer is 100250