The compound interest on a certain sum for $2$ years at $10 \%$ per annum is ₹ $525 .$ The simple interest (In ₹) on the same sum for double the time at half the rate per cent per annum is
$400$
$500$
$600$
$800$
The principal that amounts to ₹ $4913$ in $3$ years at $6 \frac{1}{4} \%$ per annum compound interest compounded annually (In ₹) is.
At what rate per cent compound interest does a sum of money become $16$ times in $4$ years?
The population of a state increases by $10 \%$ every year. If its population in the year $2003$ was $15$ lakhs, what was its population in the year $2005$ (in $lakhs$)?
The difference between compound and simple interest at a certain rate on $Rs. 2000$ at the end of two years is Rs. $12.8 .$ The rate of interest (In $\%$) per annum is
On what sum will the compound interest (In ₹) for $2 \frac{1}{2}$ years at $10 \%$ amount to ₹ $6352.50 ?$