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Railways PYQCBT 1 2016

RRB NTPC · Question 73

Which of the following options is the solution of the given equation:- 2x - 4y = 16 A. (8, -1) B. (5, -5) C. (6, -1) D. (9, 2)

  1. A

  2. B

  3. C

  4. D

Show answer & explanation

Answer: (C) C

Explanation

Check each pair in 2x − 4y = 16: (8, −1) gives 20, (5, −5) gives 30, (6, −1) gives 12 + 4 = 16 ✓, and (9, 2) gives 10. The solution is (6, −1).