Statements: Some dreams are nights. Some nights are days.
Conclusions:
I. All days are either nights or dreams.
II. Some days are nights.

Only conclusion I follows

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Only conclusion II follows

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Either I or II follows

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Neither I nor II follows

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Both I and II follow

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Solution

The correct option is A Only conclusion II follows
Since both the premises are particular, no definite conclusion follows. However, II is the converse of the second premise and thus it holds.

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Similar questions

Some statements are given, followed by some conclusions. Consider the statements to be true even if they seem to be at variance from commonly known facts. Decide which of the given conclusions follow from the given statements.
Statements:
All roads are buses.
Some buses are cars.
Some cars are days.
All days are nights.

Conclusions:
I. Some nights are buses.
II. Some nights are cars.
III. Some days are buses.

Q. Statements: Some days are nights.
Some nights are weeks.
All weeks are months.
Conclusions: I. Some months are nights.
II. All weeks being days is a possibility.

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
All roads are buses.
Some buses are cars.
Some cars are days.
All days are nights.

Conclusions
I. Some nights are buses.
II. Some nights are cars.
III. Some days are buses.

Q. In each of the questions below are given three statements followed by two conclusions numbered I and II. 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 days are nights.
Some nights are months.
Some months are years.

Conclusions
I.Some years are nights.
II.Some months are days.
III. No year is a night.

Statements:

Some years are months.

All months are days.

Conclusions:

I. Some days are not years.

II. All days are years.

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Statements: Some dreams are nights. Some nights are days.Conclusions: I. All days are either nights or dreams.II. Some days are nights.

The correct option is A Only conclusion II followsSince both the premises are particular, no definite conclusion follows. However, II is the converse of the second premise and thus it holds.

Statements: Some dreams are nights. Some nights are days.
Conclusions:
I. All days are either nights or dreams.
II. Some days are nights.

The correct option is A Only conclusion II follows
Since both the premises are particular, no definite conclusion follows. However, II is the converse of the second premise and thus it holds.