How much time will it take for an amount of 1800 to yield 81 as interest at 4.5% per annum of simple interest?
Choose the correct choice from the following options.
A) 3 years  B) 4 years  C) 2 years  D) 1 years  E) 7 years
Time = (100 x 81)/(1800 x 4.5) years = 1 years.   answer 1 years
<result>D</result>
How much time will it take for an amount of 1800 to yield 81 as interest at 4.5% per annum of simple interest?