Anil wants to invest at the most Rs.12000 in bonds. A and B. According to rules, he has to invest at least Rs.2000 in Bond A is `8%` per annum and on Bond B, it is `10%` per annum, how should he invest his money for maximum interest ? Solve the problem graphically.

Mr Dass wants to invest 12000 in Public Provident Fund (PPF) and inNational bonds. He has to invest at least 1000 in PPF and at least 2000 in bonds. If the rate of interest on PPF is 12% per annum and that on bondsis 15% per annum, how should he invest the money to earn maximum annual income? Also find the maximum annual income.

A man wants to invest at most 12000 in savings certificate and N.S.C. He has to invest at leat Rs. 2000 in saving certificate and at least Rs. 4000 in N.S.C. If the rate of interest on saving certificate is 8% per annum and rate of interest on N.S.C. is 10% per annum, how much money he should invest to earn maximum yearly income? Find also the maximum yearly income.

Sumi wants to invest atmost Rs. 20,000 in VIII sereis National Savings Bonds and Kisan vikash Oathras. According to rules, she has to invest atleast Rs. 5000 in saving bonds and atmost Rs. 8000 in Kisan Pathra. If the rate of inerest on savings bond is 10% p.a and the rate of Kisan vikash Pathara is 15% p.a, how much money should she invest in each to ear maximum yearly income ? also find the maximum yearly income.

A man wants to invest Rs. 140000 in bond A & B. If the rate of interest in bond A is 5% and in B is 8% per annum . And the sum invested in B should not be more than 40% of the money invested in A. Find the maximum Amount Received by the man in 1 year.

If one invests Rs. 10,000 in a bank at a rate of 8% per annum, how long does it take to double the money by compounded interest?

A man invests Rs. 9,600 at 10% per annum compound interest for 3 years. Calculate : the interest for the first year.

A man invests Rs. 9,600 at 10% per annum compound interest for 3 years. Calculate : the interest for the third year.