Question : The simple interest on a certain sum of money at the rate of 5% per annum for 8 years is Rs. 840. The rate of interest for which the same amount of interest can be received on the same sum after 5 years is:

Option 1: 7% per annum

Option 2: 8% per annum

Option 3: 9% per annum

Option 4: 10% per annum

Question : A certain sum was invested at the rate of 10% for 2 years at Compound interest and compounded annually. The same sum was invested for the same period and the same rate of interest at Simple interest. If the difference between Compound interest and Simple interest was Rs. 200 find the sum.

Option 1: Rs. 30,000

Option 2: Rs. 25,000

Option 3: Rs. 22,000

Option 4: Rs. 20,000

Question : A sum of Rs. 2,000 becomes Rs. 3,120 in two years at a certain rate of simple interest. What is the rate of interest per annum?

Option 1: 34% per annum

Option 2: 33% per annum

Option 3: 30% per annum

Option 4: 28% per annum

Question : At a certain sum of money with the interest rate of 6% per annum for 4 years, the simple interest is Rs. 4500. Find the compound interest (compounding annually) of 2 years at the same sum when the rate of interest is 4% per annum.

Option 1: Rs. 1,530

Option 2: Rs. 1,430

Option 3: Rs. 1,830

Option 4: Rs. 1,560

Question : At what rate of compound interest (compounding annually) per annum will a sum of Rs. 1,000 become Rs. 1,060.90 in 2 years?

Option 1: 2% per annum

Option 2: 4% per annum

Option 3: 3% per annum

Option 4: 5% per annum