Question
Study the given diagram carefully and answer the
following question. The numbers in different sections indicate the number of persons who have suffered from different diseases. How many people have suffered from both Allergy and Chicken pox but NOT Common cold?Solution
ATQ,
From the Venn diagram: 17 is in the overlapping part of Allergy and Chicken pox, but outside the Common cold circle. That means these 17 people have exactly Allergy and Chicken pox, and not Common cold. Hence, The number 17 is the exact count of people with both Allergy and Chicken pox but not Common cold, as shown in the Venn diagram.
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