Question : A sum of Rs. 8,000 is divided into two parts. The simple interest on the first part, at a rate of 21% per annum, is equal to the simple interest on the second part, at a rate of 35% per annum. What is the interest (in Rs.) of each part?

Option 1: 1050

Option 2: 840

Option 3: 1400

Option 4: 1220

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 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 : If the difference between the simple interest and the compound interest for 3 years at the rate of 10% per annum on a certain sum is equal to Rs. 310, then that sum of money is:

Option 1: Rs. 8,000

Option 2: Rs. 9,500

Option 3: Rs. 12,000

Option 4: Rs. 10,000

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 : 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