On what sum will the compound interest (In ₹) for $2 \frac{1}{2}$ years at $10 \%$ amount to ₹ $6352.50 ?$
$7000$
$8000$
$5000$
None of these
The compound interest on a sum of money for $3$ years at $5 \%$ is ₹ $1324.05 .$ What is the simple interest (In ₹) ?
Nikita invested ₹ $8000$ for $3$ years at $5 \%$ $C.I.$ in a post office. If the interest is compounded once in a year, what sum (In ₹) will she get after $3$ years?
If the compound interest on a certain sum for $2$ years is ₹ $105$ and simple interest is ₹ $100$, then the sum (In ₹) is
In how many $years$ will a sum of ₹ $800$ at $10 \%$ per annum compounded semi-annually become ₹ $926.10$?
If the compound interest on a sum for $2$ years at $12 \frac{1}{2} \%$ per annum is ₹ $510,$ the simple interest (In ₹) on the same sum at the same rate for the same period of time is.