By selling 45 lemons for Rs 40, a man loses 20 %. How many should he sell for Rs 24 to gain 20 % in the transaction ? Choose the correct option: A) 16 B) 18 C) 20% D) 22 E) 24
Explanation:   Let S.P. of 45 lemons be Rs. x.   Then, 80 : 40 = 120 : x or x = 40x120/80 = 60   For Rs.60, lemons sold = 45   For Rs.24, lemons sold =45/60x24= 18. Answer: 18
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By selling 45 lemons for Rs 40, a man loses 20 %. How many should he sell for Rs 24 to gain 20 % in the transaction ?