Out of one digit prime numbers, one number is selected at random. The probability of selecting an even number is:

One number is selected at random from 1 to 100. The probability that it is a prime number is

Five digit numbers can be formed from the digits 1,2,3,4,5. If one number is selected at random , the probability that it is an even number is

The sum of the digits of a 2-digit number is 10. A number is selected at random. Find the probability of the chosen number to be divisible by 3.

One number is selected at random from 1 to 900. The probability that it is a perfect square is

The integer is selected at random from 1 to 25. The probability that it is a prime number is

From first twenty natural numbers, 2 numbers are selected at random, the probability that the selected numbers are such that their sum is even is

A two digit number is selected at random. Find the number selected is an odd number.

From the set of numbers {1,2,3,...,10} , 4 numbers are selected at random. The probability that all of the selected numbers are consecutive is

Five digit numbers can be formed by using 0,2,3,4,5,. One number is selected at random. The probability that it is a divisible by 5 is