Question

The selling price of an article is 6/5 of the cost price. The gain per cent is

A. 15% 

B. 20% 

C. 25% 

D. 30%

Answer 1

Let x be the CP 

SP = 6x/5 

Gain = SP – CP 

= 6x/5 – x 

= x/5

\(Gain\%=\frac{Gain\,\times\,100}{CP}\)

\(=\frac{\frac{x}{5}\times100}{x}\)

= 20%