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## 1000 CR test A, Q7

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ns88 Senior | Next Rank: 100 Posts
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14 Apr 2007
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#### 1000 CR test A, Q7

Sat Apr 14, 2007 3:26 pm
1000 CR test A, Q7

Does this have to anything with Boolean logic?

I would appreciate any help that's explains the logic behind answer C.

7. 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.

### Top Member

Roland2rule Legendary Member
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Tue Sep 12, 2017 6:09 pm
I would go with option C because C and cause D.
If D is absent, then A cannot function as well. Thus, A is also absent. Using the same logic in this context, we can say if not D, then not A.

aim-wsc Legendary Member
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Sat Apr 14, 2007 7:51 pm
We are building a thread for all 1000 CR docs http://www.beatthegmat.com/viewtopic.php?t=1893

Hope you check these before starting a new thread.
oh! by the way thanks, this problem was not listed in that thread so now I have added it...

Similarly we have sp thread fo 1000 SC

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aim-wsc Legendary Member
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Sat Apr 14, 2007 7:33 pm
continue here: http://www.beatthegmat.com/viewtopic.php?t=677
I think this problem's been discussed earlier...

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ns88 Senior | Next Rank: 100 Posts
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Posted:
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Sat Apr 14, 2007 7:47 pm
thanks, aim-wsc

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