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QA – Placement Quizzes | Percentages | Question 1

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John earns 33.33% more than Peter. By what percentage is Peter’s earning less than that of John’s? (A) 22 % (B) 25 % (C) 26 % (D) 23 %

Answer: (B)

Explanation: Let John’s income be j and Peter’s income be p. Then, j = p + p × 33.33% = p + p × 100⁄3 % = p + p × 1/3 = 4p/3 ⇒ p = 3j/4 = (4 – 1)j/4 = j – j/4 = j – j × 1/4 = j – j × 100⁄4 % = j – j × 25%. Therefore, Peter’s earning is less than John’s earning by 25%.

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Last Updated : 28 Jun, 2021
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