A man borrows $Rs. 5100$ to be paid back with compound interest at the rate of $4 \%$ pa by the end of $2$ years in two equal yearly instalments. How much (In $Rs.$) will be each instalment?

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.

A sum of $Rs. 8448$ is to be divided between $X$ and $Y$ who are respectively $18$ and $19 \,yr$ old, in such a way that if their shares be invested at $6.25 \%$ per annum at compound interest, they will receive equal amounts on attaining the age of $21 \,yr$. The present share of $X$ is (In $Rs.$)

What sum will give ₹ $244$ as the difference between simple interest and compound interest (In ₹) at $10 \%$ in $1 \frac{1}{2}$ years compounded half-yearly?

The compound interest on a sum of money for $3$ years at $5 \%$ is ₹ $1324.05 .$ What is the simple interest (In ₹) ?

A sum of money amounts to ₹ $6655$ at the rate of $10 \%$ compounded annually for $3$ years. The sum of money is (In ₹)