Question
A person bought two bicycles for Rs 2500 each. If he
sells one bicycle at a profit of 10%, then at what percent profit should he sell the second bicycle so that his total profit is 20%?Solution
Cp1 =2500profit% = 10% Profit of first bicycle = 2500 ×10/100 = 250rs Total CP = 5000total profit %= 20% Total profit = 5000×20/100 = 1000rs Profit of second bicycle = total profit – profit of first bicycle  = 1000 – 250 = 750rs Profit % of second bicycle = 750/2500×100 = 30%.
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