Arihant Expert Team Solutions for Exercise 1: Practice Questions

Find the simple interest on $Rs. 1600$ at $6\%$ per annum for $146$ days.

Arun invests $Rs. 10250$ at $4\%$ per annum simple interest to obtain a total amount of $Rs. 12710$. For how many years did he invest the sum?

The simple interest on $₹2000$ for $7$ months at $5$ paise per rupee per month is:

A certain sum is invested at simple interest. If it trebles in $10$ years, what is the rate of interest?

A certain sum of money at simple interest amounts to $Rs. 4320$ in $2\frac{1}{2}$ years and to $Rs. 4752$ in $4$ years. The rate of interest per annum is:

A lent $Rs. 5000$ to B for $2$ years and $Rs. 3000$ to C for $4$ years on simple interest at the same rate of interest and received $Rs. 2200$ in all from both as interest. What will be the rate of interest per annum?

The simple interest on $Rs. 7380$ from $11$ May $1987$ to $11$ September $1987$ at $5\%$ per annum.

A man invested $\frac{1}{3}$ of his capital at $8\%, \frac{1}{4}$ of his capital at $9\%$ and the remaining at $10\%$. If his annual income is $Rs. 1180$, what is the whole capital?