In a survey of 250 people 180 like farming ,120 like civil service and every people like at least one occupation .Draw a Venn diagram and find the number of people who like farming as well as civil service. Also find how many people like onley civil service

Step-by-step explanation:

Given

We have:

Add the first two equations and subtract the third one to get the number of people who like both:

Now find the value of C - B, civil service only:

The diagram will look like this:

Farming    |   Both (intersection)  |  Civil services

    130        |           50                     |         70

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step-by-step explanation:

it is b)

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step-by-step explanation: