The simple interest on a certain sum for 2 years at 10% per annum is Rs.90. The corresponding compound interest is?

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Accepted Answer

Principle = (100 x interest) / (time x rate) ⇒ Sum = (100 x 90) / (2 x 10) = Rs. 450 C.I. =Rs.[ 450 x (1 + 10/100)2 - 450] = Rs. 94.50

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