The simple interest for three years on a sum of money becomes four times, if the sum of money increases by Rs6000, the rate of interest and the time period remaining the same. Find the sum of money.

Question : At a certain annual rate (rounded off to the nearest integer) of simple interest, a sum of money becomes nine times its original value in 21 years. By how much does the rate of interest change if the same sum of money has to become 12 times its original value in 25 years?

Option 1: Decreases by 6%

Option 2: Increases by 6%

Option 3: Increases by 8%

Option 4: Decreases by 8%

Question : Simple interest on a certain sum is one-fourth of the sum and the interest rate per annum is four times the number of years. If the rate of interest increases by 2%, then how much will the simple interest (in INR) be on INR 3,600 for 6 years?

Option 1: 2,562

Option 2: 2,514

Option 3: 2,642

Option 4: 2,592

Question : In a certain duration of time, a sum becomes 2 times itself at the rate of 5% per annum simple interest. What will be the rate of interest if the same sum becomes 5 times itself in the same duration?

Option 1: 20%

Option 2: 16%

Option 3: 10%

Option 4: 18%

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 man borrowed a certain sum of money at the rate of 10% per annum simple interest for the first three years and 15% per annum simple interest for the period beyond three years. If he pays a total interest of INR 2,884.50 at the end of 7 years, then the sum of money (in INR) that he borrowed is:

Option 1: 3,860

Option 2: 3,090

Option 3: 4,550

Option 4: 3,205