If x is less than y by 20% then y exceed x by: Choose the most appropriate option:
A) 33.33 %
B) 25 %
C) 75 %
D) 66.66 %
E) none of these

Rationale: using formula ( x / ( 100 - x ) * 100 ) where x is percentage decrease ( here it is 20 % ) = > 20 / ( 100 - 20 ) * 100 = 25 % answer : b
Answer: B