Rs.8000 become Rs.8820 in a certain interval of time at the rate of 5% per annum of C.I. Find the time?
Select.
A) 6 years
B) 8 years
C) 9 years
D) 3 years
E) 2 years
8820 = 8000(21/20)N   (21/20)^2 = (21/20)N =&gt; N = 2   . At the end of two years what will be the comp.Answer: 2 years
<result>E</result>
Rs.8000 become Rs.8820 in a certain interval of time at the rate of 5% per annum of C.I. Find the time?