Question

A man buys 100 items at rupees 20 per item and sell 40 %of item at rupees 21 per item and rest 60 %at rupees 16 per item. Find gain or loss per cent

Answer 1

cost price of 100 items=100×20=2000
s.p of 40 item=40×21=810
s.p of 60 item=60*16=960
Total s.p=810+960=1770

loss percentage=((2000-1770)/2000)×100
23/2% or 11.5 % loss