If 20% of a = b, then b% of 20 is the same as :	Select the correct option.
A) 4% of a  B) 6% of a  C) 8% of a  D) 10% of a  E) 15 of a
20% of a = b -&gt; 20/100 a = b   b% of 20 = b/100*20 = 4% of a   4% of aNSWER 4% of a
<result>A</result>
If 20% of a = b, then b% of 20 is the same as :