Question

mr ghosh purchased wrist watch worth 6000.he sold one third of them at a profit of 30 percent ,one third of them at a profit of 20 percent and the remaining at a loss of 5percent.calculate his overall profit or loss percentage

Answer 1

one third of 6000=6000/3=2000 watch
he sold it 30%profit=2000×30/100=600
and again he sold one third at profit if 20%
=2000×20/100=400
remaining part 2000 loss of 5%
2000=5/100=100 loss
profit 600+400=1000. loss 100
1000-100=900
% profit=900×100/6000=15%profit