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Question
I bought 1 kg newspaper for Rs 5, but sold it for Rs 6. How much money did I earn by selling 152 kg of a newspaper?
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Solution
She earns by selling 1 kg of newspaper
= Selling price of newspaper – Purchasing price of newspaper
= Rs 6 - Rs 5 = Rs 1
Hence, she earned by selling 152 kg newspaper
= Rs 1 × 152 = Rs 152.
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