At the rate of 8 1/2% p.a. simple interest, a sum of ₹ 4800 will earn how much interest in 2 years 3 months? · ABC26GN4003

$P=₹ 4800, R=8 \frac{1}{2} \%=\frac{17}{2} \%$, $$\begin{aligned} & T=2 \mathrm{yrs} 3 \mathrm{mths}=2 \frac{1}{4} \mathrm{yrs}=\frac{9}{4} \mathrm{yrs} . \\ & \therefore \text { S.I. }=₹\left(4800 \times \frac{17}{2} \times \frac{9}{4} \times \frac{1}{100}\right)=₹ 918 . \end{aligned}$$