The sum of money at compound interest amounts to thrice itself in 2 years. In how many years will it be 6 times itself?
Options:
A) 8 years B) 9 years C) 2 years D) 6 years E) 4 years
100 ---- 300 --- 2   600 --- 2   ----   4 years   Answer: 4 years
<result>E</result>
The sum of money at compound interest amounts to thrice itself in 2 years. In how many years will it be 6 times itself?