A part of certain sum of money is invested at 8% per annum and the rest at 12% per annum, if the interest earned in each case for the same period is equal, then ratio of the sums invested is?	Select the correct option:
A) 4:6
B) 3:2
C) 4:3
D) 4:1
E) 4:2
12:8   = 3:2   Answer: 3:2
<result>B</result>
A part of certain sum of money is invested at 8% per annum and the rest at 12% per annum, if the interest earned in each case for the same period is equal, then ratio of the sums invested is?