The length of a rectangle is reduced by 22%. By what % would the width have to be increased to maintainthe original area?
Answers:  A) 15%  B) 20%  C) 28%  D) 35%  E) 40%
Sol. Required change = (22*100)/(100-22)=28%   28%
<result>C</result>
The length of a rectangle is reduced by 22%. By what % would the width have to be increased to maintainthe original area?