Question

maths. simple interest./. In how many years will a Sum of money double itself at the rate of 5% p.a.​

Answer 1

Answer:

let the sum of money be x

amount =2x

SI=a-p

=2x-x

=x

a/q

x=x×5×t/100

x×100/x×5

20=t

so,required time to double a sum of money at 5% interest=20 years

hope it helps you...