A number is chosen at random from the first 11 natural numbers, then the probability that the chosen number is even, is -

A number is chosen at from the first 11 natural number, then the probability that the chosen number is even is

A natural number is chosen at random from the first 100 natural numbers. What is the probability that the number chosen is a multiple of 2 or 3 or 5?

A natural number is chosen at random from the first 100 natural numbers. What is the probability that the number chosen is a multiple of 2 ro 3 or 5?

A number is chosen at random among the first 120 natural numbers. What is the probability that the number chosen being a multiple of 5 or 15 ?

A number is chosen at random from the first 50 positive integers. Find the probability that the chosen number is divisible by 4 or 5.

Three numbers are chosen at random from the first 20 natural numbers. Then the probability that their product is odd is

A number is chosen at random from the numbers 1, 2,…, 15. find the probability that the chosen number is (i) even (ii) odd and (iii) multiple of 3.

Three numbers are chosen at random from the first 20 natural numbers. The probability that their product is even is -

Three numbers are chosen at random from the first 20 natural numbers. The probability that their product is even is