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.
1000 CR test A, Q7
This topic has expert replies
- aim-wsc
- Legendary Member
- Posts: 2469
- Joined: Thu Apr 20, 2006 12:09 pm
- Location: BtG Underground
- Thanked: 85 times
- Followed by:14 members
continue here: https://www.beatthegmat.com/viewtopic.php?t=677
I think this problem's been discussed earlier...
I think this problem's been discussed earlier...
Getting started @BTG?
Beginner's Guide to GMAT | Beating GMAT & beyond
Please do not PM me, (not active anymore) contact Eric.
Beginner's Guide to GMAT | Beating GMAT & beyond
Please do not PM me, (not active anymore) contact Eric.
- aim-wsc
- Legendary Member
- Posts: 2469
- Joined: Thu Apr 20, 2006 12:09 pm
- Location: BtG Underground
- Thanked: 85 times
- Followed by:14 members
We are building a thread for all 1000 CR docs https://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
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
Getting started @BTG?
Beginner's Guide to GMAT | Beating GMAT & beyond
Please do not PM me, (not active anymore) contact Eric.
Beginner's Guide to GMAT | Beating GMAT & beyond
Please do not PM me, (not active anymore) contact Eric.
-
- Moderator
- Posts: 772
- Joined: Wed Aug 30, 2017 6:29 pm
- Followed by:6 members
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.
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.