In how many years, Rs. 200 will produce the same interest at 6% as Rs. 800 produce in 2 years at 4½% ?  Choose the correct choice:
A) 4 years B) 6 years C) 8 years D) 9 years E) 12 years
Explanation :   Let Simple Interest for Rs.200 at 6% for n years = Simple Interest for Rs.800 at 4½ % for 2 years   200×6×n/100=800×9/2×2/100   200×6×n=800×9/2×2   200×6×n=800×9   n=6 years   Answer : Option 6 years
<result>B</result>
In how many years, Rs. 200 will produce the same interest at 6% as Rs. 800 produce in 2 years at 4½% ?