Q1. David invested certain amount in three different schemes A B and C with the rate of interest 10 p a 12 p a and 15 p a respectively If the total interest accrued in one year was Rs 3200 and the amount invested in Scheme C was 150 of the amount invested in Scheme A and 240 of the amount invested in Scheme B what was the amount invested in Scheme B

Q2. Reena took a loan of Rs 1200 with simple interest for as many years as the rate of interest If she paid Rs 432 as interest at the end of the loan period what was the rate of interest

Q3. Simplify the following expression 6 4 of 3 4 6 13 10 2 15 6 6

Q4. Mr Thomas invested an amount of Rs 13 900 divided in two different schemes A and B at the simple interest rate of 14 p a and 11 p a respectively If the total amount of simple interest earned in 2 years be Rs 3508 what was the amount invested in Scheme B

Q5. If the simple interest on a certain sum of money is 4 25th of the sum and the rate percent equals the number of years then the rate of interest per annum is