Railways PYQCBT 1 2016

RRB NTPC · Question 33

Consider the following information and answer questions based on it. Among 60 students, 12 like only algebra, 13 like only geometry, 10 like only trigonometry, 5 like both algebra and trigonometry, 8 like only physics, 5 like both physics and geometry and the remaining like both algebra and physics. How many students like more than one subject?

  1. 5
  2. 10
  3. 12
  4. 17
Show answer & explanation

Answer: (D) 17

Explanation

More than one subject = algebra and trigonometry (5) + physics and geometry (5) + algebra and physics (7) = 17.