If A's height is 45% less than that of B, how much percent B's height is more than that of A?  Answers.
A) 66.66 %	B) 81.81 %	C) 66.766 %	D) 86.66 %	E) 66.65 %

Rationale: "excess of b ' s height over a ' s = [ ( 45 / ( 100 - 45 ) ] x 100 % = 81.81 % answer : b )"
Answer: B