The ratio of the areas of two squares, one having double its diagonal then the other is:  Choose the correct choice:
A) 2 : 1
B) 1 : 2
C) 2 : 3
D) 1 : 4
E) 4 : 1

Rationale: lenth of the diagonals be 2 x and x units . areas are 1 / 2 × ( 2 x ) power 2 and ( 1 / 2 × ( xpower 2 ) ) required ratio = 1 / 2 × 4 x 2 : 1 / 2 x 2 = 4 : 1 answer is e .
Answer: E