Question

A tradesman sold an article at a loss of 20%. If the selling price had been increased by ts 100,there would have been a gain of 5%.what was the cost price of the article

Answer 1

loss=20℅

the loss=100-20
=80₹
s.p=100₹

have gain 5%
c.p=loss × gain price/100

=80×5/100
=4₹