Statements: All bricks are stones.
Some stones are rocks.
All rocks are mountains.
Conclusions: I. Some mountains are stones.
II. All stones being bricks is a possibility.

if only conclusion I follows.

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if only conclusion II follows.

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if either conclusion I or conclusion II follows.

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if neither conclusion I nor conclusion II follows.

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if both conclusion I and conclusion II follow.

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Solution

The correct option is E if both conclusion I and conclusion II follow.
There are two cases possible.
Some mountains are stones.
This is always true.
All stones can be bricks.
This is a possibility, not always correct.
Thus both conclusion I and II are correct.
Hence, Option E is correct.

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Similar questions

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 bricks are stones.
Some stones are rocks.
All rocks are mountains.

Conclusions
I. Some mountains are stones.
II. Some mountains are bricks.
III. Some stones are bricks.

Statements: W $δ$ U, U @ G, G $$$ M

Conclusions:

I. M * U

II. G * W

Statements: P $$$ Q, Q $δ$ S, S * R

Conclusions:

I. S * P

II. S $$$ P

Q. Statements

X \geq W < D = U \geq R

Conclusions
I.

X < U

II.

R > W

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Statements: All bricks are stones. Some stones are rocks. All rocks are mountains.Conclusions: I. Some mountains are stones. II. All stones being bricks is a possibility.

The correct option is E if both conclusion I and conclusion II follow.There are two cases possible.Some mountains are stones.This is always true.All stones can be bricks.This is a possibility, not always correct.Thus both conclusion I and II are correct.Hence, Option E is correct.

Statements: All bricks are stones.
Some stones are rocks.
All rocks are mountains.
Conclusions: I. Some mountains are stones.
II. All stones being bricks is a possibility.

The correct option is E if both conclusion I and conclusion II follow.
There are two cases possible.
Some mountains are stones.
This is always true.
All stones can be bricks.
This is a possibility, not always correct.
Thus both conclusion I and II are correct.
Hence, Option E is correct.