Question

in how many years will a sum become double of it self at 25/2% per annum by simple interest .​

Answer 1

Answer:

let original principal be x

r=12.5%

amount=2x

time be t

interest =2x-x

=x

time=(interest*100)/(principal*rate)

t=(x*100)/(x*25/2)

t=8 yrs ansssss