Two distinct numbers are selected from the numbers 1, 2, 3,....9. Then probability that their product is a perfect square is

3 integers are selected from the numbers 1 to 20. Then ........ is the probability that their product is an even number.

Three different numbers are selected at random from the set A = (1, 2, 3,...., 10). The probability that the product of two of the numbers is equal to the third is

Three different numbers are selected at random from the set A = (1, 2, 3,...., 10). The probability that the product of two of the numbers is equal to the third is

Three different numbers are selected at random from the set A = (1, 2, 3,...., 10). The probability that the product of two of the numbers is equal to the third is

Three different numbers are selected at random from the set A = (1, 2, 3,...., 10). The probability that the product of two of the numbers is equal to the third is

Three different numbers are selected at random from the set A = (1, 2, 3,...., 10). The probability that the product of two of the numbers is equal to the third is

Three numbers are selected simultaneously from the set (1,2,3,...,25). The probability that the product of the selected numbers is divisible by 4 is equal to

A number is selected from first 100 natural numbers. The probability that number is perfect square or a perfect cube is

A number is selected from first 100 natural numbers. The probability that number is perfect square or a perfect cube is

Three different numbers are selected at random from the set A=(1,2,3,...,10) The probability that the product of two of the numbers is equal to the third is