Railways PYQCBT 1 2020

RRB NTPC · Question 89

In a class of 36 students, the number of boys are twice the number of girls. In the class, there are 13 boys before Reema (girl) whose position is 19^th in the class. How many girls are there in the class after Reema?

  1. 6

  2. 5

  3. 12

  4. 10

Show answer & explanation

Answer: (A) 6

Explanation

36 students: 24 boys and 12 girls. Reema is 19th with 13 boys before her, so 5 girls are before her. Girls after her = 12 − 5 − 1 = 6.