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 : 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 man invested INR 4,500 at 5% per annum and INR 5,500 at 8% per annum simple interest. Both investments were for 4 years each. The amount received from the lower rate of interest is what percent (rounded off to the nearest integer) of the amount received from the higher rate of interest?

Option 1: 63%

Option 2: 74%

Option 3: 51%

Option 4: 48%

Question : A person borrows Rs. 20000 at the rate of 6% per annum on simple interest for 3 years. He immediately lends it to another person at the rate of 8.5% per annum on simple interest for 3 years. What is the value of gain per year?

Option 1: Rs. 1500

Option 2: Rs. 500

Option 3: Rs. 800

Option 4: Rs. 200

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