The annual interest of a principal is `(1)/(6)` parts of itself. If after `5` years the principal amounts `Rs3300`, then find the principal.

If the interest of a principal in 10 years be (2)/(5)th part of itself, then find the yearly percentage of rate of simple interest.

If the total interest of a principal in 6 years be 30% of the principal , then the total interest will be equal to the principal in

The total interest of any principal is Rsx in x years at the rate of yearly simple interest x% . Then the principal is

The total interest of a principal of Rs2000 in 18 months at the rate of yearly simple interest 6% is

The simple interest of a principal in 1 year and 9 months at the rate of simple interest of 5% per annum is 63Rs more than of the same principal in 2 years and 4 months at the rate of simple interest of 4(1)/(2)% per annum. Find the principal.

The total interest of a principal in n years at the rate of simple interest of r% per. Annum is pnr/25, then the principal will be

If the interest of a principal in 2 years be (1)/(8) of it, then find the rate of simple interest per annum.

If the compound and simple interest of a certain principal in 2 years be Rs. 40.80 and Rs. 40 respectively, then find the principal and the rate of interest in percent per annum.

If the total interest becomes ₹ a for any principal having the rate of simple interest of a% per annum for a years, then the principal will be