If the selling price of a TV set is equal to of its cost price, find the gain per cent.

Hint. Let CP be x. Then, SP =Rs.

Let × be the CP of TV Set


CP = x


SP = (x) × 6/5


= 6x/5


Gain = SP –CP


= 6x/5 – x


= x/5



= (x/5 × 100) / x


= 20%


So, If TV set is sold at 6/5 price of its CP. Then Gain percent will be 20%.


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