a dealer purchased 30 dozen cups at rs 360 per dozen .40 of them were broken and he sold the rest at rs 37.50 per cup .what is his percentage of profit or loss?
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Step-by-step explanation:
cost of 1 dozen of cup = rs 360
cost of 1 cup = 360/12 = rs 30
total no. of cups = 360
total cost of cups = 360×30= rs 10,800
no. of cups broken = 40
no of cups not broken = 320
total cost of broken cups = 40×30= rs 1200
total cost of cups sold = 320×37.50= rs 12000
total no of profit earned = rs 1200
profit percent = 1200/10800 = 11.1%
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