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705-805 Level|   Non-Math Related|                  
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parkhydel
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General Discussion
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yashikaaggarwal
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Does the question is asking the maximum no. Of person who will be reviewing the document
1) if A reviewed it
2) when L reviewed it?

Kindly revert

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Here A supervises B and D
---> D supervises L
---------> L supervises S and Y


When a document is reviewed by one employee, then the next person to review it is that employees's supervisor.

So if S reviews a document then L will also review it,and if L reviews it then D will also review it and if D reviews it then A will also review it,

So on the basis of above example (Best possible case from bottom to up), and per the question if Laszlo is among the reviewers than max number of people in the chain would be 4

Similarly if Adiliah is among the reviewers than max number of people in the chain would be 4

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The chain that makes up :

A --> B, D --> L ---> S, Y.
The left hand side denoting who reviews, and the right side, the one who gets reviewed.

Now if Laszlo (L) is among the reviewers:
Assuming a document comes by S, it would be reviewed by L, which in turn would be reviewed by D, which again would be reviewed by A. So if Laszlo (L) is among the reviewers - at max 4 people would review that one document.


Similarly is Adiliah (A) is among reviewers: - reasoning being same as above, any number of people could be reviewers, but the maximum people who would review is 4.


Answer: 4,4
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para shorten in analysis:
A B D L S Y = 6 members
A --> B and D
D--> L
L--> S+Y

member --> supervisor

Question Analysis
L --> S (2)
L --> Y (2)
A: D-->L --> S (4)
A-->D-->L-->Y (4)
A--> B(2)

A is among reviewers: it can be 4
if L is reviewer ; L can also be present in (ADLY/S)=4.
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chetan2u and Bunuel:(

I selected 3 for Lazlo, if Lazlo was among the reviewers (Initial review for 1 document + Review of doc reviewed by Saleema + Review of doc reviewed by Yarah).
5 for Adilaah, using the same logic. Any explanation is helpful. Thank you.

Select Laszlo among reviewers for the maximum number of department members that could have reviewed a single document if Laszlo was among the reviewers. Select Adiliah among reviewers for the maximum number of department members that could have reviewed a single document if Adiliah was among the reviewers­
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I would agree not the best of the language. Could have been made in a way to be less ambiguous.

Reviewed by a department member to be reviewed by that member’s supervisor.

One way could be: The document is always reviewed by the supervisor of any member reviewing the document.

So, the above would mean that the entire chain gets involved: A(member)=>B(A’s supervisor) => C(B’s supervisor) => and so on till there is no supervisor on top.
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chetan2u Sajjad1994 Bunuel

Prompt says:
These are the only supervisory relationships involving these six employees.
Each document that the department processes must be initially reviewed by exactly one department member.
Each document reviewed by a department member must then be reviewed by that person’s supervisor.


From the above prompt, i understand that A is the supervisor of only (D) and (B)
Lets consider ''Adiliah among reviewers'':
Now ''A'' can't initially review the dcos. He can review only after docs have initially been reviewed by (B) and (D)

So, max in ''Adiliah among reviewers'' should be 3 not 4.

Please help me out here!­
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GK002
This is a poorly worded question IMO. I answered 2 for both thinking that the review stops at the first supervisor.
­agree. I just wonder who can understand the quesion in 3 minutes.
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­Adiliah supervises Bao and Davi, Davi supervises Laszlo, and Laszlo supervises Saleema and Yarah.


(A) ------ (B)
------ (D) ----- (L) ----- (S)
----- (Y)


Laszlo was among the reviewers => Maximum number of reviewers should be (A) - (D) - (S or Y) ==> total 4

Adiliah was among the reviewers. => Maximum number of reviewers should be (D) - (L) - (S or Y) ==> total 4

­
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Sajjad1994 - 1 input/feedback I have - we should try to make answer explanations less verbose. Otherwise it gets v difficult to follow.
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Sajjad1994 - 1 input/feedback I have - we should try to make answer explanations less verbose. Otherwise it gets v difficult to follow.
­I agree. Treating maths as verbal kills all the charm of mathematics. 2-3 lines of symbols, equations are enough to make one understand this problem

A-> B&D, D->L, L-> S & Y
we can see a transitive kind of relationship here: A->D->L->S/Y

1) for max, if L is one of reviewer assume S is reviewer. from above we get 4 people
2) same as above, for max we get 4 reviewers
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Adiliah, Bao, Davi, Laszlo, Saleema, and Yarah work in a firm’s legal department. Adiliah supervises Bao and Davi, Davi supervises Laszlo, and Laszlo supervises Saleema and Yarah. These are the only supervisory relationships involving these six employees. Each document that the department processes must be initially reviewed by exactly one department member. Each document reviewed by a department member must then be reviewed by that person’s supervisor. No other rules require anyone else to review any document. Anyone not required to review a given document will not review it.

Select Laszlo among reviewers for the maximum number of department members that could have reviewed a single document if Laszlo was among the reviewers. Select Adiliah among reviewers for the maximum number of department members that could have reviewed a single document if Adiliah was among the reviewers.

Make only two selections, one in each column.­

ID: 100390
­
Video Solution to this Question is here: https://youtu.be/K-weMRndUEA
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Adiliah
├── Bao
└── Davi
└── Laszlo
├── Saleema
└── Yarah
Understand with this if L is in the review it to find max either S or Y should be in review and L is in review D would definitely be so A with B
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This picture should help with visualization. The key word is that we are looking for the Maximum
Attachments

IMG_0003.png
IMG_0003.png [ 503.18 KiB | Viewed 7245 times ]

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I tried multiple ways and tried to choose all the possibilities and added them (super wrong lol)
Now I understand the wording to reach the correct answer as:..

Start one document from the bottom and choose the path with the maximum number of reviewers (for a single document path) for one specific person. use the restrictions, if given.
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hey parkhydel / KarishmaB / Sajjad1994 what makes this question a 705-805 one?
parkhydel
Adiliah, Bao, Davi, Laszlo, Saleema, and Yarah work in a firm’s legal department. Adiliah supervises Bao and Davi, Davi supervises Laszlo, and Laszlo supervises Saleema and Yarah. These are the only supervisory relationships involving these six employees. Each document that the department processes must be initially reviewed by exactly one department member. Each document reviewed by a department member must then be reviewed by that person’s supervisor. No other rules require anyone else to review any document. Anyone not required to review a given document will not review it.

Select Laszlo among reviewers for the maximum number of department members that could have reviewed a single document if Laszlo was among the reviewers. Select Adiliah among reviewers for the maximum number of department members that could have reviewed a single document if Adiliah was among the reviewers.

Make only two selections, one in each column.­

ID: 100390
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If you do not use a visual representation, the relations can get confusing and making diagrams is not the first instinct of most people.

Sujithz001
hey parkhydel / KarishmaB / Sajjad1994 what makes this question a 705-805 one?
parkhydel
Adiliah, Bao, Davi, Laszlo, Saleema, and Yarah work in a firm’s legal department. Adiliah supervises Bao and Davi, Davi supervises Laszlo, and Laszlo supervises Saleema and Yarah. These are the only supervisory relationships involving these six employees. Each document that the department processes must be initially reviewed by exactly one department member. Each document reviewed by a department member must then be reviewed by that person’s supervisor. No other rules require anyone else to review any document. Anyone not required to review a given document will not review it.

Select Laszlo among reviewers for the maximum number of department members that could have reviewed a single document if Laszlo was among the reviewers. Select Adiliah among reviewers for the maximum number of department members that could have reviewed a single document if Adiliah was among the reviewers.

Make only two selections, one in each column.­

ID: 100390
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