In each of the questions below four statements are given, followed by four conclusions numbered I, II. III and IV. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements
Some trains are cars.
All cars are branches.
All branches are nets.
Some nets are dresses.

Conclusions
I. Some dresses are cars.
II. Some nets are trains.
III. Some branches are trains.
IV. Some dresses are trains.

Only I and III follow

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Only II and III follow

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Only I and IV follow

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Only II, III and IV follow

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None of these

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Solution

The correct option is B Only II and III follow
Some trains are cars.
All cars are branches.
(I+A \Rightarrow I\)-type of conclusion
Some trains are branches.
Conclusion III is the converse of it.
All cars are branches.
All branches are nets.
$A + A \Rightarrow A$ -type of conclusion
All cars are nets.
Some trains are branches.
All branches are nets.
I+A \Rightarrow I\)-type of conclusion
Some trains are nets.
Conclusion II is the converse of it.

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Similar questions

Statements:

Some cars are trains.

All trains are branches.

All branches are nets.

Some nets are dresses.

Conclusions:

I. Some dresses are trains.
II. Some nets are cars.
III. Some branches are cars.
IV. Some dresses are cars.

In each of the questions below are given three statements followed by three Conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements :
All stones are rivers.
All rivers are cars.
Some cars are trains.

Conclusions:
I. Some trains are stones.
II. Some cars are stones.
III. Some trains are rivers.

Q. In each of the questions below are given four statements followed by four conclusions numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements
Some tractors are buses.
All buses are trains.
Some trains are boats.
All boats are ships.

Conclusions
I. Some boats are buses.
II. Some ships are buses.
III. Some trains are tractors.
IV. Some ships are trains.

Q. In each of the questions below are given three statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements
All stones are rivers.
All rivers are cars.
Some cars are trains.

Conclusions
I. Some trains are stones.
II. Some cars are stones.
III. Some trains are rivers.

Q. In each of the questions below are given four statements followed by four conclusions numbered I, II, Ill and IV. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements
Some sticks are lamps.
Some flowers are lamps.
Some lamps are dresses.
All dresses are shirts.

Conclusions
I. Some shirts are sticks.
II. Some shirts are flowers.
III. Some flowers are sticks.
IV. Some dresses are sticks.

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