Question : A certain sum becomes 4 times of itself in 5 years at a rate of simple interest. In 15 years it will become how many times of itself at the same rate of simple interest?

Option 1: 12

Option 2: 10

Option 3: 9

Option 4: 8

Question : The simple interest accrued on a certain principal is Rs. 1200 in 3 years at 8% per annum. What would be the compound interest (compounding annually) accrued on twice that principal at 10% per annum in 2 years?

Option 1: Rs. 1,050

Option 2: Rs. 2,150

Option 3: Rs. 2,100

Option 4: Rs. 1,100

Question : Rs. P is invested at 5% per annum at simple interest. After $T$ years an interest of Rs. 82 is earned and the amount becomes Rs. 902. What is the value of $T$?

Option 1: 1 year

Option 2: 2 years

Option 3: 4 years

Option 4: 3 years

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 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