Railways PYQCBT 1 2016

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

  1. 13 : 13
  2. 4 : 3
  3. 17 : 18
  4. 17 : 13
Show answer & explanation

Answer: (B) 4 : 3

Explanation

Algebra = 12 + 5 + 7 = 24; geometry = 13 + 5 = 18. Ratio = 24 : 18 = 4 : 3.