Question

by selling 20 pair of shoes for rupees 18000 a shopkeeper loss 20%. how many pairs of shoes should he sell for rupees 16200 so as to have a profit of 20%.

Answer 1

selling price is 18000
18000 is 80%value
than cost price of shoes is .. 18000/80X100=22500
cost price of one pair shoes 22500/20=1125
if selling price 16200 including 20%profit
than cost price is 16200/120X100=13500
quantity of shoes pair 13500/1125=12 ans.