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Railways PYQCBT 1 2016

RRB NTPC · Question 97

Which of the following is NOT a solution of the equation 3x - 4y = 8? A. (4, 1) B. (8, 4) C. (1, 4) D. (0, -2)

  1. B

  2. D

  3. C

  4. A

Show answer & explanation

Answer: (C) C

Explanation

(4, 1): 12 − 4 = 8 ✓; (8, 4): 24 − 16 = 8 ✓; (0, −2): 0 + 8 = 8 ✓; (1, 4): 3 − 16 = −13 ✗. So (1, 4) is not a solution.