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?
Show answer & explanation
Answer: (D) 17
Explanation
More than one subject = algebra and trigonometry (5) + physics and geometry (5) + algebra and physics (7) = 17.