Question

Three friends Atul ,Bala, and Chandra were playing with 3 coins. Atul had a coin
which showed head 50% of the times ,Bala had a coin which showed head with
probability 1/3, and Chandra had a coin which showed head with probability 1/4
All the coins looked alike. They kept the coins in a table and called their common
friend Deepti to toss any one coin . If head appeared then Deepti wins otherwise she
loses Now answer the following questions
What is the chance that Deepti wins?
a) 23/36
b) 13/36
c)1/2
d)1/3
What is the chance that Bala's coin was tossed by Deepti for winning the game
a) 23/36
b) 13/36
c) 9/13
d)4/13
Who possesses a fair coin?
a) Atul​

Answer 1

Answer:

first answer is (b) second is (d)