Discussion Forum



1)

The ratio of the cost price and the selling price is 4 : 5. The profit percent is :


A) 10%

B) 20%

C) 25%

D) 30%

E) 40%

Answer:

Option C

Explanation:

Let C.P = Rs. $4x$, S.P = Rs. $5x$.

Gain = Rs. $(5x-4x)$ = Rs. $x$.

$\therefore$ Gain% $=\left(\frac{x}{4x}\times 100\right)$% $=25$%