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 the correct choice from the following answers.
A) 2 years	B) 6 years	C) 8 years	D) 3 years	E) 9 years
9261 = 8000(21/20)N   (21/20)3   = (21/20)N   =&gt; N = 3   Answer:3 years
<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?