#### What sum of money will amount to Rs3630 in 2 years at 10% per annum compound interest?

$3630=P(1+\frac{10}{100})^{2}$

$3630=P\times\frac{11}{10}\times\frac{11}{10}$

Thus the required sum of money P is

$3630\times\frac{10}{11}\times\frac{10}{11}=Rs\, 3000$