Statements:

Only rockets are boats.

All rockets are bombs.

Conclusions:

I. All boats are rockets.

II. No boat is a rocket.

III. Some boats are not rockets.

IV. Some bombs are boats.

if only Conclusion II follows

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if only I and IV follows

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if only II and III follows

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if none follows

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Solution

The correct option is B
if only I and IV follows

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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
All rockets are poles.
Some poles are trams.
Some trams are ropes.
All ropes are tents.

Conclusions
I. Some tents are trams.
II. Some ropes are rockets.
III. Some trams are rockets.
IV. Some poles are rockets.

Statements

All poles are rockets.

Some rockets are trams.

Some trams are ropes.

All ropes are tents.

Conclusions

I. Some tents are trams.

II. Some ropes are poles.

III. Some trams are poles.

IV. Some rockets are poles.

Statements:

All poles are rockets.

Some rockets are trams.

Some trams are ropes.

All ropes are tents.

Conclusions:

I. Some tents are trams.

II. Some ropes are poles.

III. Some trams are poles.

IV. Some rockets are poles.

Which of the conclusion follow for the given statements?

Statements: All ships are boats.
All catamarans are ships.
Conclusions: I. All catamarans are boats.
II. Some ships are catamarans.
III. No catamaran is a boat.
IV. Some boats are catamarans.

Statements:
Some fruits are flowers.
No flower is a boat.
All boats are rivers.
Conclusions:
I. Some fruits are rivers.
II. Some rivers are boats.
III. Some rivers are fruits.
IV. Some flowers are fruits.

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Statements: Only rockets are boats. All rockets are bombs. Conclusions: I. All boats are rockets. II. No boat is a rocket. III. Some boats are not rockets. IV. Some bombs are boats.

The correct option is B if only I and IV follows

Statements:

Only rockets are boats.

All rockets are bombs.

Conclusions:

I. All boats are rockets.

II. No boat is a rocket.

III. Some boats are not rockets.

IV. Some bombs are boats.

The correct option is B
if only I and IV follows