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1. The following pie-chart shows the monthly expenditure of a family on various items. If the family spends Rs. 825 on clothing answer the questions.

What is the average of expenses of clothing and rent.

A. Rs. 1443.75

B. Rs. 1344.57

C. Rs. 1574.34

D. Rs.1734.45

Solution:

\begin{aligned} Average of (clothing + rent) \\ = \frac{36 ° + 90 °}{2} \\ = 63 ° \\ ∵ 360 ° = Rs. 8250 \\ ∴ 63 ° = \frac{8250}{360} \times 63 \\ = Rs. 1443.75 \end{aligned}

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