Statements: (A) Some cats are dogs. (B) Some dogs are stones. Conclusions: I. No

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Question
Statements:
(A) Some cats are dogs.
(B) Some dogs are stones.
Conclusions:
I. No cat is stone.
II. All dogs are stones.
III. Some stones are cats.
IV. No dog is cat.
Options
A. Only I and III follow
B. Only II and III follow
C. Only I, III and IV follow
D. None follows

Correct Answer

None follows

Explanation

Both the Premises are Particular Affirmative (I-type).
No Conclusion follows from the two Particular Premises.
Conclusions I and III form Complementary Pair. Therefore, either Conclusion I or III follows. Considering the given Options we can select option (4) as the answer.

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4. Choose the word which is different from the rest.
Options
A. Potassium
B. Silicon
C. Zirconium
D. Gallium
E. Germanium

Discuss

5.
Should the sex determination test during pregnancy be completely banned?
Arguments:
I. yes this leads to indiscriminate female fanticide and eventually will lead to social imbalance.
II. No, people have a right to know about their unborn child.
Options
A. if only Argument I is Strong.
B. if only Argument II is Strong.
C. if either Argument I or II is Strong.
D. if neither Argument I or II is strong.