Answer : 1 4 years Explanation : Answer: A) 4 years Explanation: Time = (100 x 81) / (450 x 4.5) = 4 years.

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How much time will take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest ?

Answer : 1 4 years Explanation : Answer: A) 4 years Explanation: Time = (100 x 81) / (450 x 4.5) = 4 years.

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