Box 1 contains three cards bearing numbers 1, 2, 3; box 2 contains five cards bearing…
Mathematics · JEE Advanced · NTA Exams — Statistics and Probability
Box 1 contains three cards bearing numbers 1, 2, 3; box 2 contains five cards bearing numbers 1, 2, 3, 4, 5 ; and box 3 contains seven cards bearing numbers 1, 2, 3, 4, 5, 6, 7. A card is drawn from each of the boxes. Let xi be the number on the card drawn from the ith box, i = 1, 2, 3 .
The probability that x1, x2, x3 are in an arithmetic progression, is
The probability that x1, x2, x3 are in an arithmetic progression, is
Answer
(C)
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