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Railways PYQCBT 1 2016

RRB NTPC · Question 12

Given w = -2, x = 3, y = 0 & \(z = - \frac{1}{2},\) Find the value of 2x (w - z). A. -9 B. 9 C. 8 D. -8

  1. B

  2. D

  3. A

  4. C

Show answer & explanation

Answer: (C) A

Explanation

w − z = −2 − (−1/2) = −3/2. Then 2x(w − z) = 2 × 3 × (−3/2) = −9.