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Railways PYQCBT 1 2016

RRB NTPC · Question 91

Find the largest number by which when 270, 675 and 1215 are divided, leave equal remainder in each case. A. 45 B. 135 C. 270 D. 75

  1. D

  2. B

  3. C

  4. A

Show answer & explanation

Answer: (B) B

Explanation

The number divides the differences 675 − 270 = 405 and 1215 − 675 = 540. HCF(405, 540) = 135.