Find the probability of birthday of a child is on a Saturday or Sunday.
A committee of 5 students is to be chosen from 6 boys and 4 girls. Find the probability that the committee contains exactly 2 girls.
A bag contains 7 red, 5 blue, 4 white and 4 black balls. Find the probability that a ball drawn at random is red or white.
Find the probability of getting a multiple of 2 in the throw of a die.
In a shooting competition, the probability of hitting the target by A is 2/5, by B is 2/3 and by C is 3/5. If all of them fire independently at the same target, calculate the probability that only one of them will hit the target.
In a garden, 40% of the flowers are roses and rest are carnations. If 1/4 of the roses and 1/10 of carnations are red, find the probability that a red flower selected at random is rose.
Two cards are drawn at random from a pack of 52 cards. What is the probability that one may be a jack and the other an ace?
Two sisters A and B appeared for an audition. The probability of selection of A is 1/5 and that of B is 2/7. Find the probability that both of them are selected.
A box contains 6 white balls and 3 black balls, and another box contains 4 white balls and 5 black balls. Find the probability that a ball randomly selected from one of the boxes, which is again selected at random is a white ball?
Find the probability that the sum of the score is odd in a throw of two dice.