If A = x% of y and B = y% of x, then which of the following is true?

[A].	A is smaller than B.
[B].	A is greater than B
[C].	Relationship between A and B cannot be determined.
[D].	If x is smaller than y, then A is greater than B.
[E].	None of these

Answer: Option E

Explanation:

x% of y =		x	x y		=		y	x x		= y% of x
		100					100

A = B.