NextMockSearch exams, e.g. SSC CGL, UPPSC, Lekhpal
Railways PYQCBT 1 2016

RRB NTPC · Question 20

If two complimentary angles are in the ratio of 11 : 7, find the smaller angle. A. 35° B. 55° C. 65° D. 25°

  1. C

  2. D

  3. A

  4. B

Show answer & explanation

Answer: (C) A

Explanation

Complementary angles add up to 90°. In the ratio 11 : 7 they are 90 × 11/18 = 55° and 90 × 7/18 = 35°. The smaller angle is 35°.