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Question

• Kiran bought 1 kg plastic for Rs 10, but sold 1 kg plastic for Rs 12. How much money does she earn on selling 1 kg plastic? Rs _______
So, how much money does she earn for 63 kg? Rs _______

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Solution



Cost price of 1 kg plastic = Rs 10
Selling price of 1 kg plastic = Rs 12
Profit on selling 1 kg plastic = Rs (12 − 10)
= Rs 2
Profit on selling 63 kg plastic = Rs 2 × 63
= Rs 126

We do it in the following manner:
2 × 60 = 120
2 × 3 = 6

120+6126

Hence, Kiran will earn Rs 126 on selling 63 kg plastic.

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