#8 Percentage Question

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

A) 4% of a
B) 6% of a
C) 8% of a
D) 10% of a

Answer: A) 4% of a 

Explanation:

20% of a = b   

b% of 20 = = = = 4% of a.