Test Preparation on Math Test Preparation Problems on Compound Interest Part 2

1.

If the simple interest on a sum of money at 5% per annum for 3 years is Rs. 1200, the compound interest on the same sum for the same period at the same rate, is :

2.

The compound interest on a certain sum at 5% per annum for 2 years is Rs. 328. The simple interest for that sum at the same rate and for the same period will be :

3.

The difference in compound interest and simple interest on a certain amount at 10% per annum at the end of the third year is Rs. 620. What is the principal amount?

4.

If the amount is 2 and 1/4 times the sum after 2 years at compound interest, the rate of interest per annum,.