How long will it take for a sum of money to grow from Rs.3000 to Rs.18,000, if it is invested at 5% p.a simple interest?	Choices:
A) 8 years
B) 64 years
C) 100 years
D) 56 years
E) None
In this case, Rs. 3000 has become Rs.18,000.   Therefore, the interest earned = 18,000 – 3000 =15000   Interest for Rs 3000 @ 5% for 1 year = 150   150 - 1   15000 - ? =&gt; 100 years   Answer : 100 years
<result>C</result>
How long will it take for a sum of money to grow from Rs.3000 to Rs.18,000, if it is invested at 5% p.a simple interest?