Question

at what rate percent per annual simple interest will be some treble itself in 16 years

Answer 1

Let Principal=100 ,

Then the amount after 16 years= 300

Interest= 300–100=200

Time=16years

I=PRT/100

200=(100*R* 16)/100

(200*100 )/(100*3)=R

200/16%= R

12.5 %= R