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Railways PYQCBT 1 2016

RRB NTPC · Question 27

If a = 2b/3, b = 2c/3, and c = 2d/3, then find the ratio of b and d. A. 8/9 B. 4/9 C. 4/3 D. 5/27

  1. D

  2. C

  3. A

  4. B

Show answer & explanation

Answer: (D) B

Explanation

b = 2c/3 and c = 2d/3, so b = (2/3) × (2d/3) = 4d/9. The ratio b/d = 4/9.