Q1. Parmeshawaran invested an amount of Rs 12 000 at the simple interest rate of 1 p c p a and another amount at the simple interest rate of 20 p c p a The total interest earned at the end of one year on the total amount invested became 14 p c p a Find the total amount invested

Q2. The rate of simple interest for which Rs 9 000 will amount to Rs 10 200 in 4 years is

Q3. Arya borrows rupees 6000 from a bank at SI After 4 years she paid Rs 2500 to the bank and at the end of 5 years from the date of borrowing he paid Rs 4560 to settle the account Find the rate of interest approx

Q4. Mayank invested a certain sum of money in a simple interest bond that value grew to Rs 300 at the end of 3 year and to Rs 400 at the end of another 5 year Then what was the rate of interest in which he invested his sum

Q5. At what percent of simple interest will a sum of money double itself in 15 years