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.

What will be the compound interest (In ₹) on a sum of ₹ $1875$ after $2$ years if the rate of interest for the first year is $4 \%$ and that for the second year is $8 \% ?$

₹ $3757$ is to be divided between $A$ and $B$ such that $A's$ share at the end of $7$ years may be equal to $B$ 's share at the end of $9$ years. If rate per cent be $10 \%$ p.a. compound interest, $B$ 's share is (In ₹) 

In how many $years$ will a sum of ₹ $800$ at $10 \%$ per annum compounded semi-annually become ₹ $926.10$?

What is the difference between the compound interest and simple interest on ₹ $4000$ at $5 \%$ per annum for $2$ years?

The compound interest on a certain sum for $2$ years at $12 \%$ per annum, compounded annually is $Rs. 1272$. The simple interest (In $Rs.$) for that sum at the same rate and for the same period will be?