Ram invests $₹5000$ in a bond which gives interest at $4\%$ per annum during the first year, $5\%$ during the second year and $10\%$ during the third year. How much does he get at the end of the third year? 

The simple interest accrued in $2 \mathrm{years}$ on a principal of $₹24000$ is one-eighth of principal. What is the rate of simple interest percent per annum?

Aniket deposited two parts of a sum of $₹25000$ in different banks at the rate of $15\%$ per annum and $18\%$ per annum, respectively. In one year, he got $₹4050$ as the total interest. What was the amount deposited at the rate of $18\%$ per annum?

A certain sum of money invested at compound interest, compounded annually, becomes $₹8820$ in $2 \mathrm{years}$ and $₹9261$ in $3 \mathrm{years}$. The rate of interest is?

The height of a tree increases every year $\frac{1}{8} \mathrm{times}$. If the present height of the tree is $64 \mathrm{cm}$, what be its height after $2 \mathrm{years}$?

A sum of money doubles itself in $4 \mathrm{year}$ at compound interest. It will amount to $8 \mathrm{times}$ itself at the same rate of interest in_____.

If the compound interest on a certain sum for $2 \mathrm{year}$ at $3\%$ per annum be $₹101.50$, then the simple interest on the same sum at the same rate and for the same time will be?

What is the difference between the compound interest and simple interest accrued on an amount of $₹12000$ at the end of $3 \mathrm{yr}$ at the rate of $12\%$?

What is the difference between the compound interest and simple interest accrued on an amount of $₹16200$ at the end of $3 \mathrm{years}$ at the rate of $25\%$? (Rounded off to two digits after decimal)