Question 115
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?
Solution
By selling 45 lemons for Rs. 40, a man loses 20%
Thus, the cost price of lemons = 40/0.8 = Rs 50
Cost price of 1 lemon = 50/45 = Rs 10/9
Now he sells some lemons for Rs 24 and gains 20%
Thus, the cost price of lemons sold = 24/1.2 = Rs 20
Number of lemons that can be bought in Rs 20 = 20 / (10/9) = 18
Thus, option A is the correct choice.
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