Question

8) In how many years will a sum double itself at
the rate of 10% simple interest per annum?​

Answer 1

Answer:

10 years

Step-by-step explanation:

It means at the rate of 10% per annum sum will double itself in 10 years.

Answer 2

Answer,

Let the principal be P

Amount=2P

Principal=P

SI=2P-P=P

Time=P*100/P*10

=10 years. (Ans)