# Five numbers have an average of 90. Four of the numbers are 87, 93, 89, and 85. What is the remaining number?

##### 1 Answer

Jan 19, 2017

Remaining number is

#### Explanation:

Average of given set of numbers is their sum divided by their count.

Here we have five numbers and as their average is

their sum must be

Bur four of them add up to

Hence, remaining number is