A trader buys some goods for Rs. 150. If the overhead expenses be 12% of cost price, then at what price should it be sold to earn 10% ?

Answer: Option A

Total C.P. = Cost + Overhead Expenses
= Rs. (150 + 12% of 150)
= Rs. (150 + 18)
= Rs. 168
$$\begin{array}{rl}& \therefore \text{S}\text{.P}\text{.}=\text{Rs}\text{.}\left(\frac{110}{100}\times 168\right)\\ & =\text{Rs}\text{. }184.80\end{array}$$