A sum of money lent by Hari at simple interest becomes double of itself in 8 years. Then the sum will triple itself in

A sum of money lent by Hari at simple interest becomes double of itself in 8years.Then the sum will triple itself in

A sum of money invested at a certain rate of interest doubles itself in 8 years. In how much time will it treble itself at the same interest rate ?

a sum of money at simple interest doubles itself in 8 years 4 mounths.In how much time will it treble itself?

A sum of money, lent out at simple interest, doubles itself in 8 years. Find : (i) the rate of interest. (ii) In how many years will the sum become triple (three times) of itself at the same rate percent ?

At what rate per cent per annum simple interest will a sum double itself in 8 years ?

A sum of money invested at simple interest triples itself in 8 years. How many times will it become in 20 years time?