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Railways PYQCBT 1 2016

RRB NTPC · Question 24

[(1.93 × 19.3 - 2.07 × 20.7) / (19.3 - 20.7)] is equal to: A. 0.4 B. 4.00 C. 40 D. 0.04

  1. B

  2. C

  3. A

  4. D

Show answer & explanation

Answer: (A) B

Explanation

1.93 × 19.3 = 37.249 and 2.07 × 20.7 = 42.849. Their difference is −5.6, and 19.3 − 20.7 = −1.4. −5.6 ÷ −1.4 = 4.