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Aptitude Day 328

Problems on Percentage:

1. A’s salary was decreased by 30% and subsequently increased by 30%. How much percent does he lose?

Solution:
                  Let the original salary be 100.

                  New salary = 130% of (30% of 100) = 130/100 * 30/100 * 100 = 39.

                  Decrease = 100-39 = 61%.

2. The salary of a person was reduced by 20%. By what percent should his reduced salary be raised so as to bring it at par with his original salary?

Solution:
                  20/80 * 100 = 25%.



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