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Railways PYQCBT 1 2016

RRB NTPC · Question 15

If the angles of a triangle are in the ratio 4 : 5 : 6, find the value of the smallest angle? A. 36° B. 48° C. 12° D. 24°

  1. B

  2. D

  3. A

  4. C

Show answer & explanation

Answer: (A) B

Explanation

4 + 5 + 6 = 15 parts = 180°, so 1 part = 12°. The smallest angle = 4 × 12° = 48°.