Question

seventy cards are numbered 1 through 70, one number per card. one card is randomly selected from the deck. what is the probability that the number drawn is a multiple of 3 and a multiple of 5?enter your answer as a simplified fraction.

Answer 1

2/35

Explanation:

Of the natural numbers from 1 to 70, we are looking for the ones which are divisible by 15. 15, 30, 45, and 60 are those numbers. So we have the probability of 4/70, which reduces to 2/35.