Railways PYQCBT 2 2017

RRB NTPC · Question 21

There are total 200 students in a school, of which \(\frac{3}{10}\)th are boys. Find the number of girls in the school.

  1. 60

  2. 140

  3. 40

  4. 120

Show answer & explanation

Answer: (B) 140

Explanation

Boys = 3/10 × 200 = 60, so girls = 200 − 60 = 140.