Two numbers are in respectively 10% and 40% more than a third number. The ratio of the two numbers is?  Choose the correct choice.
A) 11 : 14  B) 7 : 9  C) 17 : 25  D) 15 : 26  E) 2 : 3

Rationale: let the 3 rd number be x then , first number = 110 % of x = 110 x / 100 = 11 x / 10 second number = 140 % of x = 140 x / 100 = 7 x / 5 ratio of first two numbers = 11 x / 10 : 7 x / 5 = 11 : 14 answer is a
Answer: A