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Director
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CR - If Then Logic [#permalink]
 30 Nov 2006, 19:28
Question Stats:
0% (00:00) correct
 0% (00:00) wrong based on 0 sessions
Can you please expalin your responses?
If A, then B.
If B, then C.
If C, then D.
If all of the statements above are true, which of the following must also be true?
(A) If D, then A.
(B) If not B, then not C.
(C) If not D, then not A.
(D) If D, then E.
(E) If not A, then not D.
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Senior Manager
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You have:
A -> B -> C -> D; that is, A -> D.
From logic rules, the latter is equivalent to ~D -> ~A (~=NOT).
Therefore, the answer is C.
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Intern
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C !
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Senior Manager
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agree C..I also posted this Q some time back....
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VP
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C 2
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Director
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C guys.
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