The salary of Charan was reduced by 10%. By what percent should his reduced salary be raised so as to bring it at par with his original salary? Choose one:  A) 12%  B) 11.11%  C) 11.5%  D) 13%  E) None of these
Explanation :   Solution: Let the original salary be Rs. 100. new salary = Rs. 90.   Increase on 90 = 10   Increase on 100 = ?   = 10*100/90 = 11 1/9%.   Answer : 11.11%
<result>B</result>
The salary of Charan was reduced by 10%. By what percent should his reduced salary be raised so as to bring it at par with his original salary?