Railways PYQCBT 2 2017

RRB NTPC · Question 66

There are a total of 200 students in a school, of which \(\frac{7}{10}\) are boys, Find the number of girls in the school.

  1. 80

  2. 60

  3. 40

  4. 120

Show answer & explanation

Answer: (B) 60

Explanation

Boys = 7/10 × 200 = 140, so girls = 200 − 140 = 60.