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
Some rivers are jungles.
All jungles are ponds.
All ponds are trees.

Conclusions
I. Some trees are rivers.
II. Some ponds are rivers.
III. All rivers are trees.

Only I and III follow

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Only I and II follow

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Only II and III follow

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All follow

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None of these

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Solution

The correct option is B Only I and II follow
Some rivers are jungles.
All jungles are ponds.
$I + A \Rightarrow I$ -type of conclusion
Some rivers are ponds.
Conclusion II is the converse of it.
All jungles are ponds.
All ponds are trees.
$A + A \Rightarrow A$ -type of conclusion
All jungles are trees.
Some rivers are ponds.
All ponds are trees.
$1 + A \Rightarrow I$ -type of conclusion
Some rivers are trees.
Conclusion I is the converse of it.

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Similar questions

Q. In each of the questions are given four statements followed by four numbered I, II, III and IV. You have to take the 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 follows from the given statements disregarding commonly known facts.

Statements
Some ponds are rivers.
Some rivers are mountains.
Some mountains are books.
Some books are papers.

Conclusions
I. Some books are rivers.
II. Some papers are ponds.
III. Some mountains are ponds.
IV. No paper is ponds.

Q. In each of the questions below are given four 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
Some rivers are jungles.
Some jungles are horses.
Some horses are tents.
Some tents are buildings.

Conclusions
I. Some buildings are horses.
II. Some tents are jungles.
III. Some horses are rivers.

Q. In each of the questions below are given four 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:-
I. Some rivers are jungles.
II. Some jungles are horses.
III. Some horses are tents.
IV. Some tents are buildings.

Conclusions:-
I. Some buildings are horses.
II. Some tents are jungles.
III. Some horses are rivers.

Q. In each of the questions below, three statements are given 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
Some fruits are trees.
All trees are jungles.
All jungles are roads.

Conclusions
I. All fruits are jungles.
II. Some roads are fruits.
III. Some jungles are fruits.

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 buildings are rivers.
All rivers are jungles.
All jungles are mountains.

Conclusions
I. Some mountains are rivers.
II. Some jungles are buildings.
III. Some mountains are buildings.

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