Question

A man bought 360 eggs at rupees 12 per dozen.60 eggs were broken and 30 eggs were rotten. Find his profit or loss per cent, if he sells the rest of the eggs at rupees 15 per dozen.

Answer 1

cost: 360 * 12/12 = 360

income: (360-60-30) * 15/12
profit = income - cost
profit% = profit/cost * 100%