Question

A bag contains balls which are numbered from 1 to 50.A ball is drawn at random from the bag, the probability that it bears a two digit number multiple of7

Answer 1

3/25

Explanation:

If there are numbers 1 to 50, that means that multiples of the number 7 is given as such.

The multiples of 7 up to 50 are 7, 14, 21, 28, 35, 42, 49. There are 6 two-digit number numbers. The probability is 6/50, or simplified, 3/25