Question

Find the time when:

Principal = Rs 6400, SI = Rs 1152 and rate = 6% p.a.

Answer 1

$$\begin{gathered} \begin{array}{l}\text{P}=\text{Rs}\text{. 64}00,\text{S}.\text{I. = Rs}\text{. 1152},\text{R}=\text{6}\%\\ \text{T =}\frac{\text{S}\text{.I.×100}}{\text{P×R}}=\frac{1152\times \sout{1}\sout{0}\sout{0}}{64\sout{0}\sout{0}\times 6}\\ =\frac{1152}{384}\end{array} \\ =3\text{years} \end{gathered}$$