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Event _____________ contains elements which are present in both A as well as B.

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Event _____________ contains elements which are present in both A as well as B.

(a) A or B

(b) A and B

(c) A but not B

(d) B but not A

This question was posed to me during an interview.

This intriguing question comes from Probability in portion Probability of Mathematics – Class 11

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Right option is (b) A and B

The explanation is: Event “A and B” contains elements which are in A as well as B. It is also called intersection of the two sets.

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