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Question
Cost of 10 kg of wheat is ₹ 180. What is the cost of 18 kg of wheat?
Solution
Cost of 10kg wheat = ₹ 180
Cost of 1 kg of wheat = `₹180/10` = ₹18
∴ cose of 18 kg of wheat = 18 × ₹ 18 = ₹ 324
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