The compound interest (In ₹) on ₹ $6250$ at $12 \%$ per annum for $1$ year, compounded half-yearly is

Divide $Rs. 2602$ between $X$ and $Y$, so that the amount of $X$ after $7 \,yr$ is equal to the amount of $Y$ after $9 \,yr$, the interest being compounded at $4 \%$ pa.

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.

The $C.I.$ on $Rs. 10000$ at $20 \%$ per annum at the end of $1$ year $6$ month, if the interest is calculated half yearly will be

A man gave $50 \%$ of his savings of ₹ $84,100$ to his wife and divided the remaining sum among his two sons $A$ and $B$ of $15$ and $13$ years of age respectively. He divided it in such a way that each of his sons, when they attain the age of $18$ years, would receive the same amount at $5 \%$ compound interest per annum. The share of $B$ was (In ₹)

What will be the compound interest (In ₹) on a sum of ₹ $50000$ after $4$ years at the rate of $10 \%$ per annum?