The salary of an officer is increased by 25%. By what percent should the new salary be decreased to restore the original salary?
Let the original salary of officer be 100
Therefore increased salary = (125/100) (100) = 125
Amt. to be decreased from increased salary to obtain original salary = 125 - 100 = 25
Percentage to be reduced = (25/125) * 100 = (1/5) * 100 = 20%
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