Railways PYQCBT 2 2017

RRB NTPC · Question 106

In a class of 55 students, 40 like Science and 29 like Mathematics. If each student likes at least one subject, answer the following questions. How many like only science?

  1. 29

  2. 15

  3. 26

  4. 19

Show answer & explanation

Answer: (C) 26

Explanation

Both = 40 + 29 − 55 = 14. Only science = 40 − 14 = 26.