A natural number is chosen at random from amongst first 500. What is the probability that the number so chosen is divisible by 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 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 from the numbers 20 to 50. What is the probability that the number chosen is a multiple of 3 or 5 or 7 ?

An integer is chosen at random from first 200 natural numbers. What is the probability that the integer chosen is divisible by 6 or 8 ?

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.

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 ?