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Byju's Answer

Standard IX

Mathematics

Euclid's Definitions

Statements: A...

Question

Statements: All pens are rooms.
All rooms are walls.
Some walls are bricks.
All bricks are slates.
Conclusions I: Some slates are walls.
Conclusions II: Some walls are pens.
Conclusions III: Some bricks are rooms.
Conclusions IV: Some slates are rooms.

Only I and III follow

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Only II and III follows

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Only I and II follow

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Only III and IV follow

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None of these

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Solution

The correct option is C Only I and II follow

Conclusions I: (True).
Conclusions II: (True).
Conclusions III: (False).
Conclusions IV: (False).

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Similar questions

Statements:

Some walls are benches.

All benches are houses.

Some houses are jungles.

All jungles are roads.

Conclusions:

I. Some roads are walls.

II. Some jungles are benches.

III. Some houses are walls.

IV. Some roads are houses.

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 pictures are walls.
Some walls are rooms.
Some rooms are windows.

Conclusions
I. Some windows are walls.
II. Some windows are pictures
III. Some rooms are walls.

Q. 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 glasses are rooms.
Some rooms are planes.
All planes are ducks.
Some ducks are lanterns.
Conclusions:
I. Some lanterns are planes.
II. Some ducks are rooms.
III. Some rooms are glasses.
IV. Some ducks are glasses.

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 pictures are walls.
Some walls are rooms.
Some rooms are windows.

Conclusions
I. Some windows are walls.
II. Sonic windows are pictures.
III. Some rooms are walls.

Statement

All chairs are pens

All flowers are pens

All pens are trucks

All trees are trucks

Conclusions

I. Some trucks are chairs

II. Some trucks are pens

III. Some trees are chairs

IV. Some trees are pens

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Statements: All pens are rooms. All rooms are walls. Some walls are bricks. All bricks are slates. Conclusions I: Some slates are walls. Conclusions II: Some walls are pens. Conclusions III: Some bricks are rooms. Conclusions IV: Some slates are rooms.

The correct option is C Only I and II follow Conclusions I: (True). Conclusions II: (True). Conclusions III: (False). Conclusions IV: (False).

Statements: All pens are rooms.
All rooms are walls.
Some walls are bricks.
All bricks are slates.
Conclusions I: Some slates are walls.
Conclusions II: Some walls are pens.
Conclusions III: Some bricks are rooms.
Conclusions IV: Some slates are rooms.

The correct option is C Only I and II follow

Conclusions I: (True).
Conclusions II: (True).
Conclusions III: (False).
Conclusions IV: (False).