In each of the following questions, some conclusions marked 1, 2, and so on are drawn from the given statements. Select the answer choice that presents only correct conclusions.
Statements:
Some flowers are beautiful.
Some beautiful things are round.
Some round things are costly.
Conclusions:
1. Some costly things are flowers
2. Some flowers are round
3. Some beautiful things are not costly
4. No flower is costly
Select the correct code:

Only 1 and 3

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Only 1, 2 and 3

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Only 2 and 4

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None of the above

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Solution

The correct option is D None of the above
Beautiful things: B
Costly things: C
It will be a mistake to try disprove some (if not all) of the conclusions in one diagram. This can be done sometimes, but it needs mastery over the technique. It is best to take suggested conclusions one by one.
1. Proves I is wrong.

2. Proves II is wrong.

3. Proves III is wrong by the diagram, which shows that B could be subset of C.

4. Proves that F could be subset of C.

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Similar questions

In each of the following questions, some conclusions marked 1, 2, and so on are drawn from the given statements. Select the answer choice that presents only correct conclusions.

Q14. Statements:

i. Some headphones are earphones.

ii. All earphones are telephones.

iii. No telephones are TVs.

Conclusions:

1. No earphones are TVs.

2. Some headphones are not TVs.

3. Some headphones are telephones.

4. Some telephones are not TVs.

Select the correct code:

Statements:

Some flowers are beautiful.

Some beautiful (things) are handsome.

Conclusions:

I. All flowers being handsome is a possibility.

II. Some handsome (things) being flowers is a possibility.

Q. In each of the following questions, some conclusions marked 1, 2, and so on are drawn from the given statements. Select the answer choice that presents only correct conclusions.
Statements:
All prose are fictions.
No fiction is an epic.
All epics are great stories.
Conclusions:
1. No prose is an epic
2. No fiction is a great story.
3. Some fictions are not great stories.
4. Some proses are great stories.
Select the correct code:

Statements:
Some flowers are rods.
Some rods are doors.
Some doors are houses.

Conclusions:
I. Some houses are flowers.
II. Some doors are flowers.
III. Some flowers are doors.
IV. No house is flower.

Q. Statements: Some desks are fruits.
All fruits are flowers.
No flower is a branch.
Some branches are roots.
Conclusions I: Some roots are flowers.
Conclusions II: No branches are desks.
Conclusions III: Some flowers are desks.
Conclusions IV: Some desks are branches.

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