Which one of the following, if substituted for the condition that F is discussed earlier than O, and O is discussed e...

kens on May 15, 2020

December 2013 SEC 2 Q16

How can we deduce from answer D that O comes before K and R? Thanks

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BenMingov on May 17, 2020

Hi Kenken, thanks for the question

With the rules remaining that have not been substituted, we still have N before T before O.

__ __ __ __ __ __
1 2 3 4 5 6

This is our setup, and when placing O in 4, according to answer choice D. We still have to fit in N before T, both before O, between 1-3.

__ __ __ O __ __
1 2 3 4 5 6

If K and R are going to be consecutive. There is only one space from 1-3 available now, since N and T take up two of them. This puts K and R firmly in 5 and 6 with the ability to trade off. On the other hand, F is relegated back to 1-3 as well. This fully restores our game.

I hope this helps. Please let me know if you have any other questions or would like me to elaborate further.