Question

2. At what rate per cent will a sum of money double
itself in 6 years?​

Answer 1

Step-by-step explanation:

I hope it will helps you

Answer 2

let the principle=x

time= 6yrs

therefore amount in 6yrs =2x

so,S.I =amount- principle

= 2x - x

=x......(i)

rate= r%.....(ii)

now.

S.I= p×r×t/100

x=x×r×6/100

r=x×6/100×x

r=6/100

r= 16.6% approx.

-teach by A.j

A.j