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Event _____________ contains elements which are present in B and absent in A.

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in Mathematics - Class 11 by (789k points)
Event _____________ contains elements which are present in B and absent in A.

(a) A or B

(b) A and B

(c) A but not B

(d) B but not A

This question was addressed to me in an international level competition.

Origin of the question is Probability topic in portion Probability of Mathematics – Class 11

1 Answer

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Best answer
Right option is (d) B but not A

Explanation: Event “B but not A” contains elements which are present in B but not in A.

It is represented by B-A or B∩A’.

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