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Railways PYQCBT 1 2016

RRB NTPC · Question 47

Mukesh got a series of discounts 30%, 25%, 15% on his shirt. Find out the single equivalent discount. A. 52.34% B. 38.35% C. 55.38% D. 57.38%

  1. B

  2. C

  3. D

  4. A

Show answer & explanation

Answer: (B) C

Explanation

After successive discounts of 30%, 25% and 15%, the price is 0.70 × 0.75 × 0.85 = 0.44625 of the original. The single equivalent discount = 1 − 0.44625 = 0.55375 ≈ 55.38%.