If x is less than y by 40% 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 40 % ) = > 40 / ( 100 - 40 ) * 100 = 66.66 % answer : d"
Answer: D