Question

Michael appeared in an examination and obtained the following marks out of 100 in respective subjects. Find his average mark.

$$\begin{array}{cc}\text{Name}& \text{Michael}\\ \text{Physics}& 87\\ \text{Chemistry}& 82\\ \text{Biology}& 82\\ \text{Mathematics}& 98\end{array}$$

• A. 88
• B. 86.5
• C. 87.25
• D. 89

Answer 1

The correct option is C 87.25

Average marks is the same as Mean marks.

$Mean=\frac{Sumofobservations}{No.ofObservations}$

$Mean=\frac{87+82+82+98}{4}=87.25$