What is the ratio between perimeters of two squares one having 5 times the diagonal then the other?
Choose the correct choice from the following choices
A) 5 : 1  B) 3 : 1  C) 5 : 8  D) 3 : 2  E) 8 : 3

Rationale: "d = 5 d d = d a √ 2 = 5 d a √ 2 = d a = 5 d / √ 2 a = d / √ 2 = > 5 : 1 answer : a"
Answer: A