If Arko sells an article at \(\frac{4}{5}\)th of its selling price and secures a profit of \(20\)%, what will be the profit or loss percentage if he sells it at the actual selling price?
Answer: C
Let Cost Price is \(Rs. 100\)
Profit \(20\)% Means \(\Rightarrow 120.\)
\(120 = \frac{4}{5SP} \Rightarrow SP = 150.\)
Then profit percentage is \(50\)%