An amount of ₹ $12500$ is deposited for a period of $2$ years at an interest of $4 \%$ per annum. Find the difference between simple interest and compound interest (In ₹) $10$ for the deposit.

A tree increases annually by $\frac{1}{8}$ of its height. By how much will it increase (In $cm$) after $2$ years, if it stands today $64 cm$ high?

A certain sum will amount to ₹ $12,100$ in $2$ years at $10 \%$ per annum of compound interest, interest being compounded annually. The sum is (In ₹)

An amount of money at compound interest grows up to $Rs. 3840$ in $4$ $years$ and up to $Rs. 3936$ in $5$ $years$. Find the rate of interest (In $\%$) ?

The compound interest (In ₹) on ₹ $5,000$ for $3$ years at $10 \%$ per cent will amount to

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 percent per annum is