In how many years, Rs. 150 will produce the same interest at 6% as Rs. 800 produce in 2 years at 4½% ? Choose the correct choice from the following choices.
A) 4 years B) 6 years C) 8 years D) 9 years E) 12 years
Explanation :   Let Simple Interest for Rs.150 at 6% for n years = Simple Interest for Rs.800 at 4½ % for 2 years   150×6×n/100=800×9/2×2/100   150×6×n=800×9/2×2   150×6×n=800×9   3×6×n=16×9   6×n=16×3   2×n=16   n=8 years   Answer : Option 8 years
<result>C</result>
In how many years, Rs. 150 will produce the same interest at 6% as Rs. 800 produce in 2 years at 4½% ?