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A vendor bought bananas at 6 for a rupee. How many for a rupee must he sell to gain 20%?
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Cost Price of 6 bananas = Rs 1
Selling price of 6 bananas = Rs 1 + 20 % of Rs 1 = Rs 1.20
if 6 bananas are sold at Rs 1.20, then cost of 5 bananas is Rs 1.
Hence, he must sell 5 bananas for Rs 1 , to gain 20%
Selling price of 6 bananas = Rs 1 + 20 % of Rs 1 = Rs 1.20
if 6 bananas are sold at Rs 1.20, then cost of 5 bananas is Rs 1.
Hence, he must sell 5 bananas for Rs 1 , to gain 20%
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