The length of a rectangle is reduced by 25%. By what % would the width have to be increased to maintainthe original area?  Options: A) 15 % B) 20 % C) 25 % D) 33 % E) 40 %

Rationale: "sol . required change = ( 25 * 100 ) / ( 100 - 25 ) = 25 % d"
Answer: D