Statements: Some saints are balls. All balls are bats. Some tigers are balls.
Conclusions:
I. Some bats are tigers.
II. Some saints are bats.
III. All bats are balls.

Only I and II follow

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Only II follows

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Only I and III follow

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Only III follows

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None of these.

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Solution

The correct option is B Only I and II follow
Some saints are balls. All balls are bats.
Since one premise is particular, the conclusion must be particular and should not contain the middle term. So, it follows that 'Some saints are bats'. Thus, II follows. Some tigers are balls. All balls are bats.
Since one premise is particular, the conclusion must be particular and should not contain the middle term. So, it follows that 'Some tigers are bats'. I is the converse of this conclusion and so it holds.

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