In a group of 120 people: 65 eat Rice, 45 eat bread, 42 eat curd, 20 eat both Rice and bread, 25 eat both Rice and curd, 15 eat both bread and curd, and 8 eat all three items. Which of the following is the number of people who eat at least one of the three items?
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Correct answer: B. 100
Explanation
|R ∪ B ∪ C| = 65 + 45 + 42 − 20 − 25 − 15 + 8 = 100.More Discrete Structures and Optimisation questions
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