JEE MATHEMATICS MCQ: SET THEORY

1 Easy

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Application +4 | -1

In a group of 70 people, 37 like coffee, 52 like tea and each person likes at least one of the two drinks. How many persons like both coffee and tea?

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Correct option: A

Option A (19) is correct because it is the number of people who like both coffee and tea, calculated using the principle of inclusion-exclusion.

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2 a_1 a_2 a_3 \ldots . . a_{2006}

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A