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

If the simple interest for 5 years be equal to 25% of the principal, it will be equal to the principal after

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

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

If the simple interest for 6 years be equal to 30% of the principal,it will be equal to the principal after (a) 10 years (c) 22 years (d)30 years

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

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