Question

By selling 130 cassettes a man gains an amount equal thato the selling price of 5 cassettes. Find the gain per cent.​

Answer 1

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Let the cost price of each cassette be Rs.10

Cost price of 130 cassette =130×10=1300

By selling, he gained SP of 5 cassettes

therefore,

Cost price of 130 cassettes = Selling price of 125 cassettes

SP of 5 cassettes =

125

1300

×5=52

He gained Rs.52 on selling 130 cassettes

So,

Gain %=

Total CP

Gain

×100

=

1300

52

×100

=4

Therefore gain percent is 4%.

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