Question

If the cost price of 5 pens is equal to the selling price of 4 pens if he Same kind find the profit percentage.

Answer 1

A/q

C.p of 5 pens =s.p of of 4 pens

C.p/s.p=4/5

Profit=s.p- c.p

Profit=5-4=1

Profit percent=profit/c.p*100

= 1/4*100

25%

Answer 2

x=cost price,y= selling price

5x=4y

y/x=5/4

y-x/x=1/4

profit percentage=y-x/x ×100

=100×1/4

=25percentage

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