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In a group of 60 people like Coca cola and 42 people like Pepsi Cola. Each person likes at least one of the two drinks. How many of these people like both Coca Cola and Pepsi Cola ?

In a group of 60 people like Coca cola and 42 people like Pepsi Cola. Each person likes at least one of the two drinks. How many of these people like both Coca Cola and Pepsi Cola ? Correct Answer 9

যেহেতু সবাই দুইটির যেকোনো একটি পছন্দ করে সেহেতু T = n(c) + n(p) - n(B) + None 60 = 27 + 42 - n(B) + 0 n(B) = 69 - 60 n(B) = 9

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