Q)At what percent per annum will be the simple interest on Rs 5650 be Rs 1695 in 2 yrs,6 months?

Dear Student,

Please find below the solution to the asked query :
$$\begin{gathered} \mathrm{Here} \mathrm{Simple} \mathrm{interest} = \mathrm{Rs}. 1695 \\ \mathrm{So} \mathrm{SI}\hspace{0.17em}= \frac{\mathrm{Prt}}{100} \\ 1695=\frac{5650\times \mathrm{r}\times 2.5}{100} \\ \mathrm{r} = \frac{169500}{5650\times 2.5}= 12\% \end{gathered}$$


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