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 Dave Killoran
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#44142
Complete Question Explanation
(The complete setup for this game can be found here: lsat/viewtopic.php?t=11493)

The correct answer choice is (C)

If 5 and 6 are both on, then you cannot have four switches on (since 4 and 5 cannot be on together). So you must have either three switches on (5, 6, and 3) or five switches on (2, 3, 5, 6, and 7). Either way switch 3 must be on so the correct answer is (C).

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