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Railways PYQCBT 1 2016

RRB NTPC · Question 70

On dividing 15y^3 – 30y^2 + 12y – 12 by 3y – 6, the remainder is: A) 6 B) 36 C) 30 D) 12

  1. D

  2. C

  3. B

  4. A

Show answer & explanation

Answer: (A) D

Explanation

By the remainder theorem put y = 2: 15(8) − 30(4) + 12(2) − 12 = 120 − 120 + 24 − 12 = 12.