Question
A shopkeeper bought oranges at 7 for a rupee and sold
them at a gain of 40%. How many oranges for a rupee did he sell?Solution
C.P. of 7 oranges = Re.1 S.P. of 7 oranges = (100+40)/100 Ă— 1 = 140/100 = 14/10 For Re.1 he sells 7 Ă— 10/14 = 5 oranges Required number of oranges = 5
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