Question

What is the mean of the numbers 5,6 and 7

• A. 4
• B. 5
• C. 6
• D. 18

Answer 1

The correct option is C

6

Mean of a set of numbers if defined as
$\text{Mean}=\frac{\text{Sum of the numbers}}{\text{Number of numbers}}$
Here, the sum of the numbers is 5 + 6 + 7 = 18.
The number of numbers = 3
Thus, $\text{Mean}=\frac{18}{3}=6$.