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 
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 