Group Games Questions - - Question 18

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

eoa July 4, 2020

Why is D incorrect

The explanation says to look at 13 and if FJM are selected, they can select RS but I thought if F is selected then Q must be selected?

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shunhe July 5, 2020

Hi @eoa,

Thanks for the question! So remember this is a must be true question. That means if we can come up with a hypothetical where the answer choice isn’t true, it can’t be the correct answer choice. So let’s see if there’s a way to make the chairperson of the committee a homeowner, but not have J and Q also be selected. Let’s select J and see if we have to select Q. We have 2 more tenants and two more homeowners to fill in. Well, let’s say that the chairpeople of the committee are R and S (who are both homeowners). And now let’s say that the other two tenants are M and K. So our total line-up is JRSMK. That doesn’t violate any of the rules in the game or the hypothetical, but it also has J and not Q. Which means that (D) could be false and isn’t the correct answer choice.

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

Abby-Tellez September 7, 2020

okay but she is right^ the explanation in the video was mistaken. it would be nice if you guys could admit that there was a mistake, even if the question's answer still has a valid explanation.

Nishu-Afobunor January 20, 2021

@Abby, I agree. The videos have been very helpful though.