Group Games Questions - - Question 18

If the chairperson of the committee is to be a homeowner, which one of the following must be true?

Sebastian-Mandell May 26, 2020

Question 18

How can we cross of C as an option

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shunhe May 27, 2020

Hi @Sebastian-Mandell,

Thanks for the question! So this is going to be a very time-consuming question if you don’t use any other hypotheticals or outside thinking, but actually, in the question before this in this game, you can actually look at the answer choice to eliminate (C) and (E). But we can also eliminate (C) in other ways as well.

Recall that this is a must be true, so if we can make a hypothetical where J is selected but F isn’t selected, (C) isn’t going to be the correct answer choice. So we say that the chairperson of the committee is a homeowner.

We know that if we select J, we also select M, which means we don’t select P. So we have J and M. We get to pick one more tenant, since exactly two representatives will be homeowners. Let’s say we select K. Then we have J, M, and K as tenants, and then we can select two homeowners out of Q, R, and S. And this works, not violating any of the rules. So we can eliminate (C).

Hope this helps! Feel free to ask any other questions that you might have.