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Byju's Answer

Standard XII

Biology

Population Interactions

Statements: S...

Question

Statements: Some tigers are lions. Some lions are rabbits. Some rabbits are horses.
Conclusions:
I. Some tigers are horses.
II. Some rabbits are tigers.
III. Some horses are lions.
IV. All horses are rabbits.

All follow

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None follows

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Only I and II follow

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Only II and IV follow

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Only IV follows

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Solution

The correct option is B None follows
Since each combination of premises shall contain two particular premises, no definite conclusion can be drawn.

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Similar questions

Statements:

All horses are birds.

All birds are tigers.

Some tigers are lions.

Some lions are monkeys.

Conclusions:

I. Some tigers are birds.

II. Some monkeys are horses.

III. Some tigers are horses.

IV. Some monkeys are birds.

Q. Statements: No rabbit is lion. Some horses are lions. All rabbits are tables.
Conclusions:
I. Some tables are lions.
II. Some horses are rabbits.
III. No lion is table.

Statements:

Some horses are tigers.

All tigers are goats.

All goats are dogs.

Some dogs are cats.

Conclusions:

I. Some cats are horses.

II. Some dogs are tigers.

III. Some goats are horses.

IV. Some cats are tigers.

Statements

Some horses are tigers.

All tigers are goats.

All goats are dogs.

Some dogs are cats.

Conclusions

I. Some cats are horses.

II. Some dogs are tigers.

III. Some goats are horses.

IV. Some cats are tigers.

Q. In each of the questions below are given four statements followed by four conclusions numbered I, II, Ill 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 birds are horses.
All horses are tigers.
Some tigers are lions.
Some lions are monkeys.

Conclusions
I. Some tigers are horses.
II. Some monkeys are birds.
III. Some tigers are birds.
IV. Some monkeys are horses.

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Statements: Some tigers are lions. Some lions are rabbits. Some rabbits are horses.Conclusions:I. Some tigers are horses.II. Some rabbits are tigers.III. Some horses are lions.IV. All horses are rabbits.

The correct option is B None followsSince each combination of premises shall contain two particular premises, no definite conclusion can be drawn.

Statements: Some tigers are lions. Some lions are rabbits. Some rabbits are horses.
Conclusions:
I. Some tigers are horses.
II. Some rabbits are tigers.
III. Some horses are lions.
IV. All horses are rabbits.

The correct option is B None follows
Since each combination of premises shall contain two particular premises, no definite conclusion can be drawn.