In how many years will the simple interest on Rs 3750 be one-fifth of itself if rate of interest is 5% p.a.?

At what rate per cent of simple interest will the interest on Rs. 3,750 be one-fifth of itself in 4 years? To what will it amount in 15 years ?

What will be the simple interest on Rs 1,450 invested for 5 years at a rate of 5% pa?

In how many years will the principal Rs. 800 amount of Rs. 882 at the rate of compound interest of 5% per annum?

In how many years will the amount of Rs. 1200 double itself under simple interest system of 4% p.a. ?

A certain principal amounts Rs2750 in 2 years at a rate of simple interest of 5% per annum. Then find the rate of simple interest in percent per annum for which the principal amounts Rs3000 in 2 years.

What will be the simple interest on ₹1,450 invested for 5 years at a rate of 5% p.a. ?

In how many years will a sum of money become sixteen times itself at 30% p.a. simple interest?

The simple interest on Rs.550 at the rate of 5% p.a. for 2 yeaRs. is ___________.

If simple interest on a certain sum of money for 4 years at 5% p.a. is same as the simple interest on Rs. 560 for 10 years at the rate of 4% p.a. then find the sum of money.