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Railways PYQCBT 1 2016

RRB NTPC · Question 40

Two positive integers are in the ratio of 3 : 4. If the product of the two numbers is 1728, what is the value of the greater number? A. 36 B. 38 C. 48 D. 72

  1. D

  2. C

  3. B

  4. A

Show answer & explanation

Answer: (B) C

Explanation

Let the numbers be 3k and 4k. 12k² = 1728 gives k = 12, so the greater number is 48.