8) Suppose there are 100 people in a city C. Let X be the set of people who are engineers in the city C, Y be the set of people whose age is above 40 years in the city C, Z be the set of people who has an independent house in the city C. Now, study the following Venn diagram and answer the question given below.
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18 engineers
since the figure explains
Step-by-step explanation:
z have houses then 11 +7 =18
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