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

Answer-D
Solution-

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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