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The ratio of average of expenses on food, clothing and miscellaneous items to the average of expenses of on saving and rent is:
Answer & Solution
Correct Answer:
Option
D
Average of (food + clothing + miscellanies)
$$\eqalign{ & = \frac{108° + 36° + 72°}{3} \cr & = 72° \cr & \text{Avg. of } \left(\text{saving + rent} \right) \cr & = \frac{90° + 54°}{2} \cr & = 72° \cr & \therefore \text{Required ratio} \cr & = 72° : 72° \cr & = 1 : 1 \cr} $$
$$\eqalign{ & = \frac{108° + 36° + 72°}{3} \cr & = 72° \cr & \text{Avg. of } \left(\text{saving + rent} \right) \cr & = \frac{90° + 54°}{2} \cr & = 72° \cr & \therefore \text{Required ratio} \cr & = 72° : 72° \cr & = 1 : 1 \cr} $$
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