Question

If simple interest for 5 yr be equal to 40% of the principal,
then in how much time it will be equal to the principal?​

Answer 1

Answer:

If interest is 40% of the principal then time = 5 years.

So, when interest would be equal to 100% of the principal time would be

= (100/40) x 5 years = 12.5 years

= 12 yr 6 months

Answer 2

Answer:

it's answer is 12.5 years __________