A man throws a die until he gets a number bigger than 3. The probability that he gets a 5 in the last throw is

Two cards aredrawn from a pack. The probability that one of them is  a club and the  other is not a club is

The letters of the word SUCCESS are arranged in a row at random. The probability that all S’s come together is

A five digit number is formed by using the digits 0, 1,2,3,4 and 5 without repetetion.The probability that the number is divisible by 6 is

A mapping is selected at random from the set of all mappings from the set A={1,2,3}in to B= {1,2,3,4}.The probability that the mapping selected is many to one is

5 digit numbers can be formed from the digits 0, 2,2,4,5. One number is selected at random.the probability that it is divisible by 5 is

One hundred cards are numbered from 1 to 100. The probability that a randomly chosen card has a digit 5 is

If a number x is selected from natural numbers 1 to 100,then the probability for x+100/x >29 is

If 1+3p/3, 1-2p/2are the probability of two mutually exclusive events, then p lies

A, B, C are three routes from the house to the office. On any day, the route selected by the officer is independent of the climate. On a rainy day, the probabilities of reaching the office late, through these routes are 1/25, 1/10, 1/4respectively. If a rainy day the officer is late to the office then the probability that the route to be B is