Four tickets numbered `00,01, 10, 11` are placed in a bag. A ticket is drawn at random and replaced. Again a ticket is drawn at random. The probability that the sum of the numbers on the tickets drawn is 21

Four tickets marked 00, 01, 10 , 11 respectively are placed in a bag. A ticket is drawn at random five times being replaced each time. The probability that the sum of the numbers on the tickets is 22 is

Four tickets marked 00,01,10,11 respectively are placed in a bag.A ticket is drawn at random five xx being replaced each time.Find the Probability that the sum of the the numbers on tickets thus drawn is 23.

Four tickets marked 00, 01, 10, 11 respectively are placed in a bag. A ticket is drawn at random five times being replaced each time. Find the Probability that the sum of the the numbers on tickets thus drawn is 23.

Four tickets are marked 00, 01, 10 and 11 respectively, are placed in a bag. A ticket is drawn at random five times, being replaced each time. The probability that the sum of the numbers on the five tickets drawn is 24, is

A ticket is drawn at random from 30 tickets numbered from 1 to 30. Find the probability that the number on the ticket drawn is divisible by 5 or 6.

A bag contains tickets numbered 1 to 20 . Two tickets are drawn at random , Find the probability that sum of the two numbers on the tickets is even .

In a bag there are three tickets numbered 1,2,3. A ticket is drawn at random and put back, and this is done four times. The probability that the sum of the numbers is even, is

In a bag there are three tickets numbered 1,2,3. A ticket is drawn at random and put back, and this is done four times. The probability that the sum of the numbers is even, is

A bag contains 20 tickets numbered 1 to 20. Two tickets are drawn at random. Find the probability that both the numbers on the ticket are prime.

A bag contains 20 tickets numbered 1 to 20. Two tickets are drawn at random . Find the probability that both the numbers on the ticket are prime.