Rs.8000 become Rs.11256 in a certain interval of time at the rate of 5% per annum of C.I. Find the time? Pick.
A) 6 YEARS	B) 7	C) 5	D) 3	E) 4
Explanation:   11256 = 8000(21/20)N   (21/20)7 = (21/20)N =&gt; N = 7   Answer: Option 7
<result>B</result>
Rs.8000 become Rs.11256 in a certain interval of time at the rate of 5% per annum of C.I. Find the time?