Six museum employees, Avery, Blake, Casey, Drew, Emery, and Flynn

Question

https://gmatclub.com/forum/download/file.php?id=89669 Six museum employees, Avery, Blake, Casey, Drew, Emery, and Flynn, must be assigned to three stations for a special event: registration, the exhibit hall, and the information desk. Each employee will work at exactly one station, and exactly two employees must be assigned to each station. A line in the graph connects two employees if and only if those employees cannot be assigned to the same station. Select from each drop-down menu the option that completes the statement most accurately, assuming all of the constraints are satisfied. If GRAPH_1_PLACEHOLDER is assigned to registration, Blake must be assigned to GRAPH_2_PLACEHOLDER . GMAT-Club-Forum-jwylmd1t.png

paragw · Answer

If  Casey  is assigned to  registration , then Avery, Drew, Emery, and Flynn  can't  be assigned to registration.
It is so because of the given statement "A line in the graph connects two employees if and only if those employees cannot be assigned to the same station."
Hence,  Blake  must be assigned to  registration .

officiisnobis · Answer

1. Casey
2. Registration

snarayan · Answer

only person casey can work with is blake as if two ppl are connected thru the arrow, they cant work together.

ans: if casey gets registration, blake should join

laborumasperiores · Answer

Box 1  
 Box 2  
 Box 3  
 
  casey  
 A and D  
 E and F  
 
  Reg.  
 Exh.H  
 Info.

The question here says that " Each employee will work at exactly one station, and exactly two employees must be assigned to each station." 
That means if C has to be in box 1 then the rest two and two others have to be in the rest and we have one extra which is B or Blake.

so the answer would be:
1. casey
2. registration. ( since the rest of them have two people and Blake would come back to the first box where casey is.)

( i'm not sure if its the right way to think though lol)

( also correct me if i'm wrong!)

Six museum employees, Avery, Blake, Casey, Drew, Emery, and Flynn

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Six museum employees, Avery, Blake, Casey, Drew, Emery, and Flynn

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