How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest ?
Answers.
A) 3.5 years
B) 4 years
C) 4.5 years
D) 5 years
E) None of these
Solution   Time =(100*81/450*4.5) years =4 years   Answer 4 years
<result>B</result>
How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest ?