The salary of a person was reduced by 15%. By what percent should his reduced salary be raised so as to bring it at par with his original salary?  Choose the correct choice from the following options
A) 10 % B) 17.6 % C) 13.7 % D) 15.1 % E) 12.3 %

Rationale: "let the original salary be $ 100 new salary = $ 85 increase on 85 = 15 increase on 100 = 15 / 85 * 100 = 17.6 % answer is b"
Answer: B