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

1.

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

[A].	3.5 years
[B].	4 years
[C].	4.5 years
[D].	5 years

Answer: Option B

Explanation:

Time =		100 x 81	years	= 4 years.
		450 x 4.5

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