A sum of money at double the rate of simple interest doubles itself in 10 years. In how much time will that amount be triple of itself?

A sum of money becomes two times of itself in 8 years at simple interest, and it becomes four times of itself in 2 years at compound interest, when interest is compounded annually. Find the ratio of the rate of simple interest to the rate of compound interest offered per year.

A sum of money was invested at a certain rate of simple interest for 2 years. Had it been invested at 1% higher rate, it would have fetched Rs.192 more interest. The sum of money is-

The simple interest on an amount at the rate of 7 percent for five years is Rs 700. So how much is the principal?

A property fetches a net annual income of ₹1000 deducting all outgoings. The capitalized value of the property for the rate of interest 6% will be (in ₹) -

Ms. Deksha borrow Rs. 575 at 5 % per annum simple interest. What amount (in rupees) will she pay to clear her debt after 4 years?

The simple interest on a certain sum at 15% per annum for 5 year is Rs1500 more to the simple interest on the same at 12% per annum for the same period. Find the sum-

A person invests money in three different schemes 6 years, 10 years and 12 years at 10%, 12% and 15% simple interest respectively. At the completion of each scheme, he gets the same interest. The ratio of his investment is