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The simple interest on a sum of money is 1/9 of the principal and the number of years is equal to the…

With rate and time both equal to \(R\), the interest is \(\frac{P R^2}{100}=\frac{P}{9}\). Hence \(R^2=\frac{100}{9}\) and \(R=\frac{10}{3}=3.33\) percent per annum.

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The simple interest on a sum of money is 1/9 of the principal and the number of years is equal to the rate percent per annum. The rate percent per annum is:

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With rate and time both equal to RR, the interest is PR2100=P9\frac{P R^2}{100}=\frac{P}{9}. Hence R2=1009R^2=\frac{100}{9} and R=103=3.33R=\frac{10}{3}=3.33 percent per annum.

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