A part of certain sum of money is invested at 10% 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 most appropriate option.
A) 4:2 B) 4:8 C) 4:3 D) 4:0 E) 6:5
12:10   = 6:5   Answer: 6:5
<result>E</result>
A part of certain sum of money is invested at 10% 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?