A and B play a game where each is asked to select a number from 1 to 25. If the two numbers match, both of them wins a prize.The probability that they will not win a prize in a single trial is

A and B play a game where each is asked to select a number from 1 to 25. If the two numbers match, both of them win a prize. The probability that they will not win a prize in a single trial is

A and B play a game where each is asked to select a number from 1 to 25 . If the two numbers match ,both of them win a prize . The probability that they will not win a prize in a single trial is ,

A and B play a game where each is asked to select a number from 1 to 25 . If the two numbers match ,both of them win a prize . The probability that they will not win a prize in a straight trial is :

Two contestants play a game as follows: each is asked to select a digit from 1 to 9. If the two digits match they both win a prize. The probability that they will win a prize in a single trial is

At a fete, cards bearing numbers 1 to 1000, one number on one card are put in a box. Each player selects one card at random and that card is not replaced. If the selected card has a perfect square number greater than 500, the player wins a prize. What is the probaility that (i) the first player wins a prize (ii) the second player wins a prize, if the first has won ?

A person buys a lottery ticket in 50 lotteries, in each of which his chance of winning a prize is 1/100 . What is the probability that he will win a prize at least twice?

A person buys a lottery ticket in 50 lotteries,in each of which his chance of winning a prize is 1/100.Find the probability that he will win a prize(i)atleast once

A person buys a lottery ticket in 50 lotteries,in each of which his chance of winning a prize is 1/100.Find the probability that he will win a prize(ii)exactly once