Question

A shopkeeper marks his goods 20% above the cost price and also given discount of 10% find his gain percent

Answer 1

let the CP be 100rs .
gain%=20%
sp=120/100*100=120
discount=10% of MP
MP=120/90*100=133.33rs
gain=133.33-120=13.33
gain%=13.33/133.33*100=12%