Law School Discussion

These kinds of games are killing me... 
Could anyone advise on the correct way to approach them? THANKS 

A fruit stand caries at least one kind of the following kinds of fruit: figs, kiwis, oranges, pears, tangerines, and watermelons. The stand does not carry any other kind of fruit. The selection of fruits the stand carries is consistend with the following conditions:

If the stand carries kiwis, then it does not carry pears.
If the stand does not carry tangerines, then it carries kiwis.
If the stand carries oranges, then it carries both pears and watermelons.
If the stand carries watermelons, then it carries figs or tangerines or both.

1. Which one of the following could be a complete and accurate list of the kinds of fruit the stand carries?
a) oranges, pears
b) pears, tangerines
c) oranges, pears, watermelons
d) oranges, tangerines, watermelons
e) kiwis, oranges, pears, watermelons


2. Which one of the following could be the only kind of fruit the stand carries?
a) figs
b) oranges
c) pears
d) tangerines
e) watermelons


3. Which one of the following CANNOT be a complete and accurate list of teh kinds of fruit the stand carries?
a) kiwis, tangerines
b) tangerines, watermelons
c) figs, kiwis, watermelons
d) organges, pears, tangerines, watermelons
d) figs, kiwis, oranges, pears, watermelons


4. If the stand carries no watermelons, then which ofe of the following must be true?
a) the stand carries kiwis
b) the stand carries at least two kinds of fruit
c) the stand carries at most three kinds of fruits
d) the stand carries neither oranges nor pears
e) the stand carries neither oranges nor kiwis


5. If the stand carries watermelons, then which one of the following must be false?
a) the stand does not carry figs
b) the stand does not carry tangerines
c) the stand does not carry pears
d) the stand carries pears but not oranges
e) the stand carries pears but not tangerines


6. If the condition that if the fruit stand does not carry tangerines then it does carry kiwis is suspended, and all other conditions remain in effect, then which one of the following CANNOT be a complete and accurate list of the kinds of fruit the stand carries?
a) pears
b) figs, pears
c) oranges, pears, watermelons
d) figs, pears, watermelons
e) figs, oranges, pears, watermelon

Thank you for your time Alixana. 

I'm having some trouble setting this one up. Your help is much appreciated!

Bird-watchers explore a forest to see which of the following six kinds of birds -- grosbeak, harrier, jay, martin, shrike, wren -- it contains. The findings are consistent with the following conditions:

If harriers are in the forest, then grosbeaks are not.
If jays, martins, or both are in the forest, then so are harriers.
If wrens are in the forest, then so are grosbeaks.
If jays are not in the forest, then shrikes are.

11. If grosbeaks are in the forest, then which one of the following must be true?
a) shrikes are in the forest
b) wrens are in the forest
c) the forest contains both wrens and shrikes
d) at most two kinds of birds are in the forest
e) at least three kinds of birds are in the forest

I'm having some trouble setting this one up. Your help is much appreciated!

Bird-watchers explore a forest to see which of the following six kinds of birds -- grosbeak, harrier, jay, martin, shrike, wren -- it contains. The findings are consistent with the following conditions:

If harriers are in the forest, then grosbeaks are not.
If jays, martins, or both are in the forest, then so are harriers.
If wrens are in the forest, then so are grosbeaks.
If jays are not in the forest, then shrikes are.

9. Which one of the following is the maximum number of the six kinds of birds the forest could contain?
a) two
b) three
c) four
d) five
e) six

I'm having some trouble setting this one up. Your help is much appreciated!

Bird-watchers explore a forest to see which of the following six kinds of birds -- grosbeak, harrier, jay, martin, shrike, wren -- it contains. The findings are consistent with the following conditions:

If harriers are in the forest, then grosbeaks are not.
If jays, martins, or both are in the forest, then so are harriers.
If wrens are in the forest, then so are grosbeaks.
If jays are not in the forest, then shrikes are.

7. If both martins and harriers are in the forest, then which one of the following must be true?
a) Shrikes are the only other birds in the forest
b) jays are the only other birds in the forest
c) the forest contains neither jays nor shrikes
d) there are at least two other kinds of birdes in the forest
e) there are at most two other kinds of birds in the forest