What time will be taken by an amount of Rs. 900 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
Choose the correct answer:  A) 2 years  B) 1 years  C) 3 years  D) 4 years  E) 5 years
Explanation:   P= Rs 900   Rate = 4.5*   SI= Rs 81   =&gt; SI= Time*P*rate   calculating for rate,   =&gt; Time= SI/rate*P   = 81/4.5%*900   =&gt; 2 years   Thus, it will take 2 years to yield Rs 81.   2 yearsNSWER 2 years
<result>A</result>
What time will be taken by an amount of Rs. 900 to yield Rs. 81 as interest at 4.5% per annum of simple interest?