Let's review the setup for this game. The game requires us to determine the order of six presentations by three teachers - J K L. J presents on N & O. K presents on P S T . L presents on W.
J: N O K: P S T L: W
___ ___ ___ ___ ___ ___ 1 2 3 4 5 6
The following rules apply:
(1) K cannot give two presentations in a row. This is an important rule because we know that K must give 3 presentations total, which means that the only four possible scenarios for which presentations could K give:
1. K __ K __ K__ 2. __ K __ K __ K 3. K__ __ K__K 4.K__K__ __K
We can conclude that either presentation #1 or #6 or both must be given by K.
__ __ __ __ __ __ /K /K
(2) S must be given earlier than O.
S > O
This rule tells us that one of K's presentations (S) must come before one of J's presentation (O), so S cannot be presentation #6 and O cannot be presentation #1.
__ __ __ __ __ __ ~O ~S
(3) T must be given earlier than W. T > W
This rule tells us that T cannot be #6, and W cannot be #1.
___ __ __ __ __ __ ~W ~T ~O ~S
Since neither T nor J can be #6, we can conclude that if one of K's presentations is #6, it must be P.
K(6) -> P
The question asks us which of the following could be the order of presentations. (A) is incorrect because P&T cannot be consecutive (B) is incorrect because T cannot be #6 (C) is correct and complies with all the rules. (D) is incorrect because S > O (E) is incorrect because S &T cannot be consecutive
Let me know if this makes sense and if you have any other questions.
