The least number of complete years in which a sum of money put out at 20% C.I. will be more than doubled is?
Choose the correct choice from the following choices
A) 5  B) 4  C) 7  D) 1  E) 2
P(1 + 20/100)n &gt; 2P or (6/5)n &gt; 2   Now, (6/5 * 6/5 * 6/5 * 6/5) &gt; 2. So, n   = 4 years.   Answer:4
<result>B</result>
The least number of complete years in which a sum of money put out at 20% C.I. will be more than doubled is?