100 tickets are numbered as 00,01,02,.......,09,10,11,.......99. When a ticket is drawn at random from them and if B is the event of getting 0 as the product of the numbers on the ticket, then `P(B)=`

100 tickets are numbered as 00,01,02)...0910,11,12,....99 out of them one ticket is drawn at random.The probability that the sum of the digits of the number on the ticket is 9 is

if 3tickets are drawn at random from 41 tickets,numbered 1 to 41 find probability that the numbers on the tickets form a G.P.

One ticket is drawn at random out of 30 tickets numbered from 1 to 30. Find the probability that the numbers on the ticket is a multiple of 5 or 7

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

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.

There are 10 tickets numbered 0,1,2,3,.....9 . Two tickets are drawn at random. If the number obtained by writing the digits together is a perfect square then the probability that sum of digits is 9 is

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

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.