Question

A bag contains 10 red marbles, 6 blue marbles, and 4 green marble.

What is the probability of choosing a marble that is not blue?

Answer 1

7/10 or 70%.

Explanation:

There is a total of 20 marbles in the bag.

There are 10 + 4 = 14 marbles which are not blue.

The required probability = 14/20

= 7/10.