The probabilities of events, \( A \cap B, A, B \& A \cup B \) are r...

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The probabilities of events, \( A \cap B, A, B \& A \cup B \) are respectively in A.P. with probability of second term equal to the common difference. Therefore the events \( A \) and \( B \) are
\( \mathrm{P} \)
(A) mutually exclusive
(B) independent
W
(C) such that one of them must occur
(D) such that one is twice as likely as the other
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