A part of certain sum of money is invested at 10% per annum and the rest at 16% 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) 8:5
B) 4:9
C) 4:3
D) 4:1
E) 4:2
16:10   = 8:5   8:5nswer: 8:5
<result>A</result>
A part of certain sum of money is invested at 10% per annum and the rest at 16% per annum, if the interest earned in each case for the same period is equal, then ratio of the sums invested is?