Question

A man bought 45 pencil box at 60 rupees each and sold them all for 3000 rupees find the profit or loss percent he had

Answer 1

cp of the boxes=45×60
=2700
sp=3000
profit=sp-cp
=3000-2700
=300
therefore, profit %=profit/cp×100
=300/2700×100
=11.12%