Question : The simple interest on a sum of money for 10 years is Rs. 3130. If the principal is increased five times after 5 years, what will be the total interest (in Rs.) obtained after 10 years?

Option 1: 6260

Option 2: 7825

Option 3: 9390

Option 4: 15650

Question : The difference between Compound Interest and Simple Interest on a certain sum of money for 2 years at 5% per annum is Rs. 41. What is the total sum?

Option 1: Rs. 7,200

Option 2: Rs. 9,600

Option 3: Rs. 16,400

Option 4: Rs. 8,400

Question : The simple interest on a certain sum of money for 2 years at 5% is Rs. 1600. The compound interest at the same rate after 3 years (interest compounded annually) is:

Option 1: Rs. 2520

Option 2: Rs. 2522

Option 3: Rs. 2555

Option 4: Rs. 2535

Question : If the difference between the compound interest and simple interest on a sum of money for 3 years is Rs. 186, find the sum of money, if the interest rate in both cases is 10%.

Option 1: Rs. 5,500

Option 2: Rs. 7,200

Option 3: Rs. 6,500

Option 4: Rs. 6,000

Question : A certain sum becomes Rs. 1020 in 5 years and Rs. 1200 in 8 years at simple interest. What is the value of the principal?

Option 1: Rs. 820

Option 2: Rs. 780

Option 3: Rs. 700

Option 4: Rs. 720

Question : The compound interest on a certain sum of money for 2 years at 5% interest is Rs. 328. The sum is:

Option 1: Rs. 3000

Option 2: Rs. 3600

Option 3: Rs. 3200

Option 4: Rs. 3400