Question

Find the mean of all factors of 10.

• A. 4.5
• B. 3.5
• C. 4
• D. 2.5

Answer 1

The correct option is A

4.5

Factors of 10=1,2,5,10
$\therefore \text{Mean}=\overline{x}=\frac{1+2+5+10}{4}$ ...(Here n=4)
$\frac{18}{4}=4.5$