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 one:	A) 8 : 5	B) 4 : 9	C) 4 : 3	D) 4 : 1	E) 4 : 2

Rationale: 16 : 10 = 8 : 5 answer : a
Answer: A