LG Game 2 Question 10 Explanation
Here, you have to look for a relationship where one bird being in forces another bird out.
H and G are an example (but not the answer). If H is in, G is out.
So look through your diagram looking for that type of symbol.
Luckily for us, the first answer is right. If J is in, W is out. This diagram shows it:
A is CORRECT.
B is wrong. J and S can be together. One of them always has to be in, but they could both be in.
C is wrong. If W is in, S is in:
D and E are wrong. There’s no rule connecting J and M or S and M.
J and M are mentioned together in rule 2, but they have no effect on each other.
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I fail to,understand how option B is wrong. the fifth rule says if jays are not on, then shrikes are. so how come they can be paired up together if the rule primarily says that when one is in the other is out? please expatiate!
Suppose I say: you’ll definitely eat soup or salad. We get:
No soup –> Salad
No salad –> Soup
So we eat at least one. Can we eat both? Of course!
You can only go left to right on conditional statements. These rule tell us what happens if we DON’T eat soup or DON’T eat salad. They don’t say what happens if we do.
So the rule in our case was:
No jays –> Shrikes
No shrikes –> Jays
The rule tells us what happens if one of the two is OUT. It gives us no rule for what happens if one of the birds is IN. For this type of rule, both can be in.