Question

A fruit vendor buys orange at the rate of 5 for rupees 40 and sells them at rupees 9per orange find gain per cent

Answer 1

cost price of 1 orange = Rs 5

total cost price of oranges = Rs 40

Find the number of oranges :
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number of oranges = 40 / 5 = 8

selling price of 1 orange = Rs 9

selling price of 8 oranges= 8×9 = Rs72

Find the gain :
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gain = selling price - cost price

gain = 72 - 40 = Rs 32

Find the gain % :
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gain % = ( gain × 100 ) / cost price

gain % =( 32 × 100 ) / 40

= 80%

Your Answer : gain = 80 %
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Answer 2

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@SharLien ( ^_^)