Determine the period of time if a principal be doubled in t years at a fixed rate of compound interest in percent per annu.

A certain sum of money will be doubled in 15 years at the rate of simple interest percent per annum of

If the principal is double in ten years, then the rate of simple interest per annum is

If principal amounts double in 10 years, then the rate of yearly simple interest is

A certain money amounts 9440Rs on simple interest in 3 years. If the rate of simple interest be 25% increased per annum, then the money will become 9800Rs after same period of time. Find the principal and the rate of interest in percent per annum.

The amount (Principal along with interest) of some money becomes Rs 496 in 3 years and Rs 560 in 5 yrs. At the same rate of simpel interest in percent per annum. Find the principal and the rate of simple interest in percent per annum.

If a principal beocmes Rs 560 in 3 years and Rs 600 in 5 years at the same rate of simple interest in percent per annum, then find the principal and the rate of simple interest in percent per annum.

In the case of compound interest the rate of compound interest per annum for every years is

The quantity of compound and simple interest of a certain principal at a fixed rate of annual interest in percent in 1 year are …….

The simple interest of a sum of money at the rate of 4% per annum in 3 years is Rs. 303.60. Then find the compound interest of the same principal at the same rate of compound interest in the same period of time.

Determine the principal for which the compound interest is more than the simple interest Rs. 6.40 in 2 years at the rate of compound interest 8% per annum.