PrepTest 91+, Section 1, Question 16
An industrial electrician attaches exactly seven components—designated S, T, V, W, X, Y, and Z—to a circuit board in exactly seven consecutive steps; exactly one component is attached per step. Each component is attached exactly once, and each is attached either by hand or by machine, but not both.
An industrial electrician attaches exactly seven components—designated S, T, V, W, X, Y, and Z—to a circuit board in exactly seven consecutive steps; exactly one component is attached per step. Each component is attached exactly once, and each is attached either by hand or by machine, but not both.
An industrial electrician attaches exactly seven components—designated S, T, V, W, X, Y, and Z—to a circuit board in exactly seven consecutive steps; exactly one component is attached per step. Each component is attached exactly once, and each is attached either by hand or by machine, but not both.
An industrial electrician attaches exactly seven components—designated S, T, V, W, X, Y, and Z—to a circuit board in exactly seven consecutive steps; exactly one component is attached per step. Each component is attached exactly once, and each is attached either by hand or by machine, but not both.
X is the fourth component attached.
Exactly two components are attached by hand at some time before X is attached.
No component is attached by hand before T is attached.
W is attached at some time before T.
Y is attached at some time after both Z and S.
The sixth component attached is attached by hand.
If S is attached by machine, which one of the following must be true?
Z is attached by hand.
X is attached by hand.
V is attached by hand.
V is the third component attached.
Y is the seventh component attached.
Explanations
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