Instructions

Consider the following information.

In a hostel there are 220 students. Out of them 105 read newspaper A, 90 read newspaper B, 75 read newspaper C. 35 read both A and B. 20 read both A and C, 23 read bath B and C and 9 read all three newspapers. Then

Question 147

Number of students who read two or less number of newspapers is

Solution

After plotting the 3-circle Venn diagram, we get :

People who read only A: 59
People who read only B: 41
People who read only C: 41

People who read only A&B: 26
People who read only B&C: 14
People who read only A&C: 11

People who read all 3: 9
People who read none of the 3: 27

Hence, 
Number of people who read two or less number of newspapers = 211


Create a FREE account and get:

  • Download Maths Shortcuts PDF
  • Get 300+ previous papers with solutions PDF
  • 500+ Online Tests for Free

cracku

Boost your Prep!

Download App