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Railways PYQCBT 1 2016

RRB NTPC · Question 95

If A + B = 2C and C + D = 2A then A. A + C = 2D B. A + C = B + D C. A + C = 2B D. A + D = B + C

  1. D

  2. B

  3. A

  4. C

Show answer & explanation

Answer: (B) B

Explanation

Adding A + B = 2C and C + D = 2A gives A + B + C + D = 2A + 2C, so B + D = A + C.