Arithmetic Ability
 Probability

90 / 132

Q.

8 couples (husband and wife) attend a dance show "Nach Baliye' in a popular TV channel ; A lucky draw in which 4 persons picked up for a prize is held, then the probability that there is atleast one couple will be selected is :

View Answer

Correct choice: B

Explanation:

P( selecting atleast one couple) = 1 - P(selecting none of the couples for the prize) = 1−(16C1× 14C1×12C1×10C1/16C4)=15/39
90 / 132