Question
Which one of the following could be true?
Answer: Option D
Answer: (d)
(a) does not hold since Y must have V, R, and T before it.
(b) does not hold as R must have each one of Q, S, T, V, W, and Y after it.
(c) does not hold as Q must have each one of V, R, T, and Z before it. If S is the fifth product to be launched, then we have the sequence R, W, T, V, S, Y, Z, Q which satisfies all the above conditions.
So, (d) holds. (e) cannot hold as V must have each one of Q, S, and Y after it.
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Answer: (d)
(a) does not hold since Y must have V, R, and T before it.
(b) does not hold as R must have each one of Q, S, T, V, W, and Y after it.
(c) does not hold as Q must have each one of V, R, T, and Z before it. If S is the fifth product to be launched, then we have the sequence R, W, T, V, S, Y, Z, Q which satisfies all the above conditions.
So, (d) holds. (e) cannot hold as V must have each one of Q, S, and Y after it.
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