Write the probability that a number selected at random from the set of first 100 natural numbers is a cube.

The probability that a number selected at random from the set of numbers {1,2,3,….100} is a cube is

Find the probability that a number selected at random from 1 to 100 is a prime number.

The probability that a number selected at random from the set of numbers {1,2,3,...,100} is a square is

The probability that a number selected at random from the set of numbers {1,2,3,…..,100} is a square is

The probability that a randomly chosen number from the set of first 100 natural numbers is divisible by 4 is

Find the probability that three numbers chosen at random from first nine natural numbers from an A.P.

Three natural numbers are taken at random from the set of first 100 natural numbers. The probability that their A.M. is 25, is

Three natural numbers are taken at random from the st of first 100 natural numbers.The probability that their A.M.is 25, is