The least number of complete years in which a sum of money put out at 20% compound interest will
be more than doubled is
Select the correct option:
A) 4 years B) 5 years C) 6 years D) 7 years E) None of these
Explanation:   4 yearss per question we need something like following   P(1+R100)n&gt;2P(1+20100)n&gt;2(65)n&gt;265×65×65×65&gt;2   So answer is 4 years   4 yearsnswer: 4 years
<result>A</result>
The least number of complete years in which a sum of money put out at 20% compound interest will
be more than doubled is