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? Choose the correct choice from the following answers:
A) 3:2 B) 4:8 C) 4:3 D) 4:0 E) 4:9
12:8   = 3:2   3:2nswer: 3:2
<result>A</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?