The compound interest (In ₹) on ₹ $2000$ at $5 \%$ per annum, compounded yearly, for $2$ years is

A sum of money invested at compound interest amounts to ₹ $800$ in $3$ years and to ₹ $840$ in 4 years. The rate of interest (In $\%$) per annum is

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?

What will be the difference between simple and compound interest (In ₹) @ $10 \%$ per annum on a sum of ₹ $1000$ after $4$ years?

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 ₹)

Find the difference between $S.I.$ and $C.I.$ (In $Rs.$) at $14 \%$ for $2$ year on $Rs. 10000$