If 20% of a = b, then b% of 20 is the same as:

Question:
If 20% of a = b, then b% of 20 is the same as:

[A].

4% of a

[B].

5% of a

[C].

20% of a

[D].

None of these

Answer: Option A

Explanation:

20% of a = b	20	a = b.
	100

b% of 20 =		b	x 20		=		20	a x	1	x 20		=	4	a = 4% of a.
		100					100		100				100