A merchant gives 800 g instead of 1000 g to a customer. What is the merchant's percentage profit?A15%B25%C20%D10%Answer: B. 25% Read Explanation: Let the cost price (CP) of 1 kg = ₹100 (assume for simplicity).He gives only 800 g for ₹100.Cost of 800 g = (8001000×100=₹80)( \frac{800}{1000} \times 100 = ₹80 )(1000800×100=₹80)So,Profit = (100−80=₹20)(100 - 80 = ₹20)(100−80=₹20)Profit %=2080×100=25%\text{Profit \%} = \frac{20}{80} \times 100 = 25\%Profit %=8020×100=25%Answer: 25% Read more in App