A box has ten chits numbered 0, 1, 2, 3, .., 9. First, one chit is drawn at random and kept aside. From the remaining, a second chit is drawn at random. What is the probability that the second chit drawn is "9"?

A box contains 8 tickets bearing numbers 1,2,3,5,7,8,9,10. A ticket is drawn at random and kept aside. Then a second ticket is drawn from the box. Find the probability that both the tickets drawn show odd numbers.

Tickets numbered from 1 to 18 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a prime number.

A bag contains 9 red and 12 white balls one ball is drawn at random. Find the probability that the ball drawn is red.

A bag contains 9 red and 12 white balls. One ball is drawn at random. Find the probability that the ball drawn is red.

There are 20 tickets numbered as 1,2,3,…,20 respectively. One ticket is drawn at random. What is the probability that the number on the ticket drawn is a multiple of 5?

A box has 5 blue and 4 red balls. One ball is drawn at random and replaced. Its colour is also not noted. Then, another ball is drawn at random. What is the probability of second ball being blue?

A box has 5 blue and 4 red balls. One ball is drawn at random and replaced. Its colour is also not noted. Then, another ball is drawn at random. What is the probability of second ball being blue?

A box has 5 blue and 4 red balls. One balls is drawn at random and not replaced. Its colour is also not noted. Then another ball is drawn at random. What is the probability of second ball being blue?

A box has 5 blue and 4 red balls. One ball is drawn at random and not replaced. Its colour is also not noted. Then, another ball is drawn at random. What is the probability of second ball being blue?

Each of the two boxes A and B contain 10 chits numbered 1 to 10. If one chit is drawn at random from each of A and B , then the probability that the number on the chit drawn from A is smaller than the number on the chit drawn from B, is