A sum of money placed at CI doubles itself in 5 years. It will amount to 8 times in? Choose the correct choice from the following:
A) 17 years	B) 19 years	C) 14 years	D) 16 years	E) 15 years
15 yearsxplanation:
2------&gt;5 years
4------&gt;10years
8------&gt;15 years
15 years
Answer: Option 15 years
<result>E</result>
A sum of money placed at CI doubles itself in 5 years. It will amount to 8 times in?