RRB NTPC · Question 34
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. The ratio of students who like algebra to those who like geometry is
Show answer & explanation
Answer: (B) 4 : 3
Explanation
Algebra = 12 + 5 + 7 = 24; geometry = 13 + 5 = 18. Ratio = 24 : 18 = 4 : 3.