What is the ratio between perimeters of two squares one having 7 times the diagonal then the other?	Choose the correct choice from the following answers.
A) 3 : 7  B) 3 : 5  C) 3 : 8  D) 7 : 1  E) 3 : 5

Rationale: "d = 7 d d = d a √ 2 = 7 d a √ 2 = d a = 7 d / √ 2 a = d / √ 2 = > 7 : 1 answer : d"
Answer: D