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Question
A vegetable vendor buys 10 kg of tomatoes per day at ₹ 10 per kg, for the first three days of a week. 1 kg of tomatoes got smashed on every day for those 3 days. For the remaining 4 days of the week he buys 15 kg of tomatoes daily at ₹ 8 per kg. If for entire week he sells tomatoes at ₹ 20 per kg, then find his profit or loss for the week
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Solution
Total tomatoes bought for 3 days
= 3 × 10
= 30 kg
Cost of 1 kg = ₹ 10
Cost of 30 kg tomatoes = 30 × 10 = ₹ 300
Total tomatoes bought for other 4 days
= 4 × 15
= 60 kg
Cost of 1 kg = ₹ 8
Cost of 60 kg tomatoes = 60 × 8 = ₹ 480
Total cost of 90 kg tomatoes = 300 + 480 = ₹ 780
C.P. = ₹ 780
Tomatoes smashed = 3 kg
Total kg of Tomatoes for sale = 90 – 3 = 87 kg
S.P. of 1 kg tomatoes = ₹ 20
S.P. of 87 kg tomatoes = 87 × 20 = ₹ 1740
Here S.P. > C.P.
Profit = S.P. – C.P.
= 1740 – 780
= ₹ 960
Profit = ₹ 960
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