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Byju's Answer

Standard VII

Geography

Rocks and Minerals

Some statemen...

Question

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:
Some pearls are gems.
All gems are diamonds.
No diamond is stone.
Some stones are corals.

Conclusions:
I. Some stones are pearls.
II. Some corals are diamonds.
III. No stone is a pearl.

Only I follows

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Only II follows

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Either I or III follows

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I and II follow

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None of these

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Solution

The correct option is C Either I or III follows

Conclusions:
I. Some stones are pearls
Complementary pair (I-E):
II. Some corals are diamonds.
III. No stone is a pearl.

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Similar questions

Statements

Some gems are pearls.

All pearls are diamonds.

No diamond is stone.

Some stones are corals.

Conclusions

I.Some stones are gems.

II.Some corals are diamonds.

III.No stone is gem.

The following questions two statements are given and these statements are followed by two conclusions

numbered I and II. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions and then decide which ofthe given conclusions logically follows from the two given statements, disregarding commonly known facts.

Statements :

All stones are diamonds.

Some diamonds are pearls.

Conclusions :

I. Some pearls are stones.

II. All diamonds are pearls.

Statements :

All stones are diamonds.

Some diamonds are pearl.

Conclusions :

I. Some pearls are stones.

II. All diamonds are pearls.

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
All stones are pearls.
Some pearls are shells.
Some shells are boxes.
No box is a container.

Conclusions
I. Some stones are shells.
II. No pearl is a container.
III. No shell is a container.
IV. Some pearls are containers.

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

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The correct option is C Either I or III follows Conclusions: I. Some stones are pearls Complementary pair (I-E): II. Some corals are diamonds. III. No stone is a pearl.

The correct option is C Either I or III follows

Conclusions:
I. Some stones are pearls
Complementary pair (I-E):
II. Some corals are diamonds.
III. No stone is a pearl.