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Properties of Multiplication under Integers

Mary bought 4...

Question

Mary bought 4 kg sugar for ₹10 per kg and sold at ₹15 per kg. What is the total profit earned by her?

A

₹20

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B

₹30

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C

₹10

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D

₹40

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Solution

The correct option is A ₹20
Amount Mary spent on 4 kg sugar = 4 × 10 = ₹40
Mary sold for ₹15 per kg.
Amount recieved after selling 4 kg = 15 × 4 = ₹60
Total profit earned = ₹60 - ₹40 = ₹20

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