Question

At what rate per cent per annum will an amount double itself in 10 years?​

Answer 1

Answer:10%

Step-by-step explanation:

let sum is p

given that time = 10 years

and interest =p (because sum double itself)

as we know interest

i= p*r*t/100

p = p*r*10/100

100=10r

r=10

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

Answer 2

Answer:

ten percent per annum 10%