P’s salary is 20% lower than Q’s salary which is 20% lower than R’s salary. By how much percent is R’s salary more than P’s salary?
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A medium CSAT / General Aptitude multiple-choice question from UPSC Prelims 2024. Attempt it above, then check the correct answer and detailed explanation below.
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Correct answer: B. 56.25%
If R's salary is taken as 100, Q's salary becomes 80 (20% less), and P's salary becomes 64. The percentage difference is calculated as \(\frac{100 - 64}{64} \times 100 = 56.25%\).
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