1.

lling 130 cassettes, a man gains an amount equal to the selling price of 5 caseFind the gain per cent.

Answer»

Let the cost price of each cassette be rs.10cost price of 130 casts = 130*10=1300by selling , he gained sp of 5 cassettestherefore , cost price of 130 cassettes = selling price of 125 cassettessp of 5 cassettes = 1300/125×5= 52he gained Rs. 52 on selling 130 cassettesgain℅= gain/total cp * 100= 52/1300*100= 4℅



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