## 1. A bank offers 5% compound interest calculated on half-yearly basis. A customer deposits Rs. 1600 each on 1^{st} January and 1^{st} July of a year. At the end of the year, the amount he would have gained by way of interest is:

^{st}January and 1

^{st}July of a year. At the end of the year, the amount he would have gained by way of interest is:

## 2. The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Re. 1. The sum (in Rs.) is:

## 3. There is 60% increase in an amount in 6 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate?

## 4. What is the difference between the compound interests on Rs. 5000 for 1 ^{1}/_{2} years at 4% per annum compounded yearly and half-yearly?

^{1}/

_{2}years at 4% per annum compounded yearly and half-yearly?