Answer & Solution
Answer: Option D
Solution:
Average of (food + clothing + miscellanies)
$$\eqalign{
& = \frac{108° + 36° + 72°}{3} \cr
& = 72° \cr
& \text{Avg. of } \left(\text{saving + rent} \right) \cr
& = \frac{90° + 54°}{2} \cr
& = 72° \cr
& \therefore \text{Required ratio} \cr
& = 72° : 72° \cr
& = 1 : 1 \cr} $$