Deepthi and Shruthi are friends. Find the probability that both of them have the same birthdays. (Ignore a leap year)
1/2
1/365
2/3
2/365
Both can have the same birthday on any one day of the year.
Thus P(same birthday) =1365
Tina and Seenu are friends. What is the probability that both will have (i) different birthdays (ii) the same birthday? (ignoring leap years)