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There are 100 students in a particular class. 60% students play cricket, 30% student play football and 10% students...
Solution
Number of students who play cricket is = 60% of 100 = 60Number of students who play football is = 30% of 100 = 30Number of...
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Keynote
n(A U B) = n(A) + n(B) â?? n(A â?© B)n(A U B) ' = 1 â?? n(A U B)
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