Question : A sum of Rs. 11,500 amounts to Rs. 12,880 in 2 years at the rate of simple interest. What is the rate of interest?

Option 1: 6% per annum

Option 2: 4% per annum

Option 3: 8% per annum

Option 4: 10% per annum

Question : The simple interest on a sum for 5 years is $\frac{3}{5}$th of the sum. The rate of interest per annum is:

Option 1: 10%

Option 2: 12%

Option 3: 8%

Option 4: $12\frac{1}{2}$%

Question : The simple interest received on a sum is $\frac{4}{9}$ of the sum. The number of years is equal to the annual rate of interest. What is the annual rate of interest?

Option 1: 7.5%

Option 2: 6.66%

Option 3: 6%

Option 4: 5.25%

Question : In how many years will the simple interest on a sum of Rs. 6000 lent at 5% per annum be equal to the simple interest on a sum of Rs. 2000 lent for 30 years at 4% per annum?

Option 1: 6 years

Option 2: 12 years

Option 3: 20 years

Option 4: 8 years

Question : On a certain sum of money, the simple interest for 2 years is INR 150 at the rate of 10% per annum. What is the difference between compound interest and simple interest for 2 years if, in the case of compound interest, interest is compounded annually at the rate of 10% per annum?

Option 1: INR 5

Option 2: INR 10

Option 3: INR 7.5

Option 4: INR 12.5