Thursday

syllogism 2

1. Statements:
No Cloud is Bird.
Some Goats are Birds.
All Cars are Goats.

Conclusions:
I. No Car is Cloud.
II. Some Cars are Birds.
III. No Bird is Car.
IV. Some Clouds are Goats.

1) Only III follows
2) Only either II or III follows
3) Only I follows
4) Only I and either II or III follow
5) None

Ans : 2)

2. Statements:
All Grapes are Bananas.
All Potatoes are Bananas.
Some Bananas are Mangoes.

Conclusions:
I. No Grape is Mango.
II. Some Potatoes are not Mangoes.
III. Some Grapes are Potatoes.
IV. All Mangoes are Grapes.

1) Only I follows
2) Either I or III follows
3) Only II & III follow
4) Only I, II & III follow
5) None of these

Ans: 5)

3. Statements:
Some Cats are Rats.
Some Rats are Ants.
Some Ants are Flies.

Conclusions:
I. Some Flies are Cats.
II. Some Flies are not Ants.
III. No Rat is Fly.
IV. No Cat is Fly.

1) Only I & IV follow
2) Only II follows
3) Only I & III follow
4) Only I or IV follows
5) None of these

Ans: 5)

4. Statements:
All Chalks are Dusters
Some Chalks are Boards.
Some Dusters are Pens.

Conclusions:
 I. Some Pens are Chalks.
II. Some Dusters are Boards.
III. Some Pens are Boards.
IV. All Chalks are Pens.

1) Either I or IV follows
2) Only II & III follow
3) Either I or IV & II follow
4) Only II follows
5) None of these

Ans: 4)

5. Statements:
Some Bags are Books.
All Books are Boxes.
No Box is Board.

Conclusions:
I. Some Bags are not Boards.
II. Some Bags are not Boxes.
III. All Bags are Boxes.
IV. No Bag is Board.

1) Only I follows
2) I & either II or III follows
3) Only IV follows
4) Only II follows
5) None of these

Ans: 2)

6. Statements:
Some streets are roads.
Some roads are lanes.
Some lanes are highways.

Conclusions:
I. Some roads are not streets.
II. No highway is street.
III. Some streets are not roads.
IV. Some lanes are not roads.

1) Only III follows
2) Only IV and III follow
3) Either I or III follows
4) Both I and III follow
5) None of these

Ans: 5)

7. Statements:
Some pencils are pens.
All pens are erasers.
All staplers are erasers.

Conclusions:
I. Some pens are not pencils.
II. All erasers are pencils.
III. Some staplers are pens.
IV. Some staplers are pencils.

1) Only I follows
2) Only II follows
3) Only III follows
4) Only IV follows
5) None of these

Ans: 5)

8. Statements:
Some tables are chairs.
No cupboard is table.
Some chairs are cupboards.

Conclusions:
I. Some chairs are not tables.
II. All chairs are either tables or cupboard
III. Some chairs are both tables and cupboards.
IV. All chairs are tables.

1) Only I and IV follow
2) Only either II or III follow
3) Only IV follows
4) Either II or III & I follow
5) None of these

Ans: 5)

9. Statements:
All birds are animals.
Some animals are humans.
All humans are mammals.

Conclusions:
I. Some humans are not birds.
II. Some birds are humans.
III. Some animals are not mammals.
IV. All animals are mammals.

1) Only I and II follow
2) Either III or IV follows
3) Either I or II follows
4) Either I or II and either III or IV follow
5) None of these

Ans: 2)


10. Statements:
Some leaves are fruits.
All branches are fruits.
Some roots are branches

Conclusions:
I. Some roots are fruits.
II. Some branches are leaves.
III. No leaf is branch.
IV. Some leaves are roots.

1) Either II or III and I follow
2) Only I follows
3) Only either II or III follows
4) Only I and III follow
5) None of these

Ans: 1)


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