The salary of a person was reduced by 10%. By what percent should his reduced salary be raised so as to bring it at par with his original salary? Choices:
A) 10% B) 11 1/9% C) 13 2/7% D) 15 3/11% E) 12 1/3%
Let the original salary be $100   New salary = $90   Increase on 90 =10   Increase on 100 = 10/90 * 100 = 11 1/9%   Answer is 11 1/9%
<result>B</result>
The salary of a person was reduced by 10%. By what percent should his reduced salary be raised so as to bring it at par with his original salary?