Rs.8000 become Rs.9261 in a certain interval of time at the rate of 5% per annum of C.I. Find the time?
Choose one
A) 2	B) 9	C) 8	D) 3	E) 5
n:   9261 = 8000(21/20)N   (21/20)3 = (21/20)N =&gt; N = 3   Answer:3
<result>D</result>
Rs.8000 become Rs.9261 in a certain interval of time at the rate of 5% per annum of C.I. Find the time?