The cost of 27 kg of iron is Rs. 1,080, what will be the cost of 120 kg of iron of the same quality?
∵ The cost of 27kg of iron = ₹ 1080
∴ Cost of 1kg of iron = 
∴ The cost of 120 kg = 40×20 = ₹ 4800
Hence, the cost of 120kg of iron is ₹ 4800
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The cost of 27 kg of iron is Rs. 1,080, what will be the cost of 120 kg of iron of the same quality?
∵ The cost of 27kg of iron = ₹ 1080
∴ Cost of 1kg of iron =
∴ The cost of 120 kg = 40×20 = ₹ 4800
Hence, the cost of 120kg of iron is ₹ 4800