Question

A trader gains $15\%$ after selling an item at $10\%$ discount on the printed price. The ratio of the cost price and the printed price is

• A. $18:23$
• B. $17:18$
• C. $17:23$
• D. $18:25$

Answer 1

Answer: (A)

$18:23$

Let the printed price of item be Rs. $100$.

After discount of $10\%$ SP $=$ Rs. $90$ profit earned $=15\%$
C.P of item $=\frac{100}{115}\times 90=\frac{1800}{23}$
Hence, CP : Printed Price $=\frac{1800}{23}:100=18:23$