A loan off Rs.12,300 at 5% per annum compound Interest, is to be repaid In two equal annual instalments at the end of every year. Find the amount of each instalment.
1). Rs.6.651
2). Rs.6.615
3). Rs.6.516
4). Rs.6.156
.Let each instalment be x.
$\frac{20x}{21}$+$\frac{(20)^{2}}{21}x$ = 12300
x= $\frac{12300\times21\times21}{20\times41}$
x= 6615