A clock was sold for Rs. 144. If the percentage of profit was numerically equal to the cost price the cost of the clock was = ?

A. Rs. 72

B. Rs. 80

C. Rs. 90

D. Rs. 100

Answer: Option B

Solution(By Examveda Team)

According to the question,
Selling price = Rs. 144
Cost price is equal to percentage of profit.
Note : In this type of question go through option.
Option = B
Cost price = Rs. 80
Profit % = 80%
Selling price
$$\eqalign{ & = 80 + \frac{{80}}{{100}} \times 80 \cr & = {\text{Rs}}{\text{.144 (Satisfied)}} \cr} $$