PrepTest 83, Section 1, Question 13
The operator of a passenger railway system needs to close at least one of its stations. Six stations—L, M, N, P, Q, and R—are being considered for closure. The decision regarding which stations to close and which to keep open is subject to the following constraints:
The operator of a passenger railway system needs to close at least one of its stations. Six stations—L, M, N, P, Q, and R—are being considered for closure. The decision regarding which stations to close and which to keep open is subject to the following constraints:
The operator of a passenger railway system needs to close at least one of its stations. Six stations—L, M, N, P, Q, and R—are being considered for closure. The decision regarding which stations to close and which to keep open is subject to the following constraints:
The operator of a passenger railway system needs to close at least one of its stations. Six stations—L, M, N, P, Q, and R—are being considered for closure. The decision regarding which stations to close and which to keep open is subject to the following constraints:
N and R cannot both close.
If N stays open, then L must also stay open.
If R stays open, then M must also stay open.
L and R cannot both stay open.
If exactly five of the stations stay open, which one of the following must close?
L
M
N
P
R
Explanations
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