ABC26GN2405 · Percentage

Subject: General Aptitude · Chapter: Percentage · Exam: · Marks: · Difficulty:

What percent decrease in salaries would exactly cancel out the 20 percent increase?
(a)$16 \frac{2}{3}$
(b)18
(c)20
(d)$33 \frac{1}{3}$
Answer
Answer (as printed): A
Explanation
Let original salary $=₹ 100$. New salary $=₹ 120$. Decrease on $120=20$. Decrease on $100=\left(\frac{20}{120} \times 100\right) \%=16 \frac{2}{3} \%$.

Explanation as extracted from the printed page; notation may be imperfect.

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