What percent decrease in salaries would exactly cancel out the 20 percent increase ?

(16 + 2/3) %
(15 + 2/3)%
(14 +1/3)%
(13 + 4/5)%

Correct Answer: (16 + 2/3) %

Explanation:

Let the orginal salary = Rs. 100. New's salary = Rs.120.

Decrease on 120 = 20. Decrease on 100 = [(20/120)*100]% = (16 + 2/3) %.

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