Question

Some toffees are bought at the rate of 11 for rupees 10 and the same number at the rate of 9 for rupees rupees 10. If the whole lot is sold at 1 Rupee per toffee, find the gain or loss in the whole transaction.

Answer 1

Some toffees are bought at the rate of 11 per Rs.10 and sold at the rate of 9 per Rs.10. If the whole lot is sold at one rupee per toffee, find his gain or loss percent