Suppose you have Rs. 12000 to invest. You have to invest some amount at 10% and the rest at 15%. How much should be invested at each rate to yield 12% on the total amount invested?

Suppose you have Rs 16,000 to invest. You have to invest some amount at 12% and the rest at 20%. How much should be invested at each rate to yield 15% on the total amount invested?

You have Rs.12,000/- saved amount, and wants to invest it in two schemes yielding 10% and 15% interest. How much amount should be invested in each scheme so that you should get overall 12% interest.

Mr. Bajaj invested 1/7 of his total investment at 4% and 1/2 at 5% and rest at 6% for the one year and received total interest of Rs. 730 . What is the total sum invested ?

Ajay invest rupees 35000 in a bank at 7% p.a. how much more should he invest at % p.a.at the rate of simple interest to get a 8% return on his investment.

Nikhil invested certain amount in three different schemes A,B and C with the rate of interest 10% per annum, 12% per annum and 15% per annum, respectively., if the toal interest 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? ?

X invested an amount of Rs. 12000 at the simple interest rate of 10% per annum and another amount at the simple interest rate of 20% per annum. The total interest earned at the end of one year on the total amount invested became 14% per annum. Find the total amount invested invested at 20%.