Question
Rohan bought 50 candies for Rs. 60 and he sold them in
such a manner so that selling price of 30 candies is Rs. 54. Find the value of 4(P + 15) if the profit percent earned by Rohan is 'P%'.Solution
ATQ, Cost price of 1 candy = 60/50 = Rs. 1.20 Selling price of 1 candy = (54/30) = Rs. 1.80 Profit earned = 1.80−1.20=Rs. 0.60 So, 'P' = (0.60/1.20) × 100 = 50% P = 50 Required value = 4×(50+15) = 4×65 = 260
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