Railways PYQCBT 1 2016

RRB NTPC · Question 61

In a farm, there are goats and peacocks. If the number of heads are 60 and the number of feet are 170, then the number of goats = ? A. 18 B. 20 C. 23 D. 25

  1. C

  2. B

  3. D

  4. A

Show answer & explanation

Answer: (C) D

Explanation

With g goats and (60 − g) peacocks, feet = 4g + 2(60 − g) = 170. So 2g + 120 = 170 and g = 25.