Question

The marked price of a radio is 25 % above the selling price and the cost price is

Answer 1

Answer:

mp=sp+25%ofsp=1.25sp

mp=1.25sp

sp=1/1.25×mp=0.8mp

cp=mp-30%ofmp=0.7mp

discount=mp-sp=mp-0.8mp=0.2mp

1. discount %=discount/mp×100%=0.2mp/mp×100%=20%
2. profit=sp-cp=0.8mp-0.7mp=0.1mp
3. profit%=profit/cp×100%=0.1mp/0.7mp×100%=0.1×100/0.7%=10/0.7%=14.28%