Question

a man sell sofa for 3210 and making profit 7% what would have been his profit percentage if he had sold it for 3360?

Answer 1

CP=SP*100/(100+P%)
=3210*100(100+7%)
=3000
Profit=SP-CP=3360-3000=360
P%=P/CP*100
=360/3000*100
=12%.
Hope it's correct..