The monthly incomes of five persons are Rs. 1132, Rs. 1140, Rs. 1144, Rs. 1136 and Rs. 1148 respectively. What is their arithmetic mean?

A. Rs. 1100

B. Rs. 1120

C. Rs. 1132

D. Rs. 1140

Show Answer


Solution(By Apex Team)

$\begin{array}{l}\text{Arithmetic mean}\\ =\text{ Rs. }\left(\Large\frac{1132+1140+1144+1136+1148}{5}\right)\\ =Rs\cdot\left(\Large\frac{5700}{5}\right)\\ =\text{ Rs. }1140\end{array}$

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