Question

In a town of 10000 people it was found that 40% families buy newspaper A, 20% families buy newspaper B, 10% families buy newspaper C, 5% buy A and B, 3% buy B and C, 4% buy A and C. If 2% families buy all the three newspapers, then find the number of families who buy none of the newspaper

Answer 1

Answer:

9000 families

Step-by-step explanation:

From vein diagram we can easily find the no of peoples who buy none of the newspaper.

30% families buy none of the newspaper = 9000 families