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All 115 students in a class play football or cricket or both. 65 play cricket and 60 play football. How many students play both?

All 115 students in a class play football or cricket or both. 65 play cricket and 60 play football. How many students play both? Correct Answer 10

n(FUB) = n(F) + n(C) - n(FꓵC) So, n(FꓵC) = n(F) + n(C) - n(FUB) = 60 + 65 - 115 = 125 - 115 = 10.

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