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Railways PYQCBT 1 2016

RRB NTPC · Question 7

A shopkeeper cheats to the extent of 11% while buying and selling fruits, by using tampered weights. His total gain in percentage is. A. 23.25 B. 23.21 C. 23.75 D. 23.5

  1. D

  2. C

  3. A

  4. B

Show answer & explanation

Answer: (D) B

Explanation

Using false weights by 11% both while buying and selling gives a total gain of (1.11 × 1.11 − 1) × 100 = 23.21%.