Railways PYQCBT 2 2017

RRB NTPC · Question 107

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 both Science and Mathematics?

  1. 15

  2. 14

  3. 13

  4. 12

Show answer & explanation

Answer: (B) 14

Explanation

Since every student likes at least one subject, both = 40 + 29 − 55 = 14.