Q9

[AndreaO452]

Can someone please explain to me problem 9? I am using the logical flow chart, but I don't understand how to read it to answer these CANNNOT BE TRUE questions.

[Misti Duvall]

Sure! The logic chain can take some getting used to, but we can use the fact that this is a conditional question to make things easier. As with any other conditional question, start by making a mini diagram (here, a t-chart), input the condition, and fill in what has to be true from there.

Start by putting T out, then strictly follow the arrows. If T is out, then M is out; if M is out, then R is out; and if R is out, then L is in. So we have:

In: L
Out: T M R

What cannot be true? R can't be in, which is answer choice C.

Hope this helps.