If two positive numbers are in the ratio 1/6 : 1/5, then by what percent is the second number more than the first?	Choose the correct choice from the following:  A) 70 %  B) 90 %  C) 60 %  D) 50 %  E) 20 %

Rationale: "given ratio = 1 / 6 : 1 / 5 = 5 : 6 let first number be 5 x and the second number be 9 x . the second number is more than first number by 1 x . required percentage = x / 5 x * 100 = 20 % . answer : e"
Answer: E