Question

In a
survey it was found that 21 propu like
product A, 26 people like product B and 29 people
liked product C& A 14 people liked product A and B
12 people liked product C and A, 14 people liked product
B and C and 8 liked all the 3 product find
how many liked product c only using Venn diagram​

Answer 1

Step-by-step explanation:

Let A, B, and C be the set of people who like product A, product B, and product C respectively.

Accordingly,

n(A)=21,n(B)=26,n(C)=29,n(A∩B)=14,n(C∩A)=12,

n(B∩C)=14,n(A∩B∩C)=8

The Venn diagram for the given problem can be drawn as above.

It can be seen that number of people who like product C only is

=29–(4+8+6)=11

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Answer 2

Answer:

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