Question

if the selling price of 10 pens is equivalent to cost price of 14 pens , find the profit percent

Answer 1

SP of 10 pens =CP of 14 pens.

Let the CP of 1 pen be Rs x
.: CP of 10 pens is Rs 10 x & SP =Rs 14 x

Profit = SP - CP
=> Rs( 14 x - 10 x ) => Rs 4 x

Profit percentage = Profit/CP × 100
=> 4 x / 10 x × 100
=> 40 %
Therefore , the profit percentage is 40%

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