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Identify the ...

Question

Identify the conclusions which can be concluded by given statements
Statement. I All dogs are donkeys.
Statement. II No donkey is a tiger.
Conclusion A No dog is a tiger.
Conclusion B No tiger is a dog.

A

If only conclusion A follows

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B

If only conclusion B follows

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C

If either A or B follows

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D

If neither A nor B follows

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E

If both A and B follow

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Solution

The correct option is E If both A and B follow
Statement. I All dogs are donkeys.
Statement. II No donkey is a tiger.
Conclusion A No dog is a tiger. True, ll dogs are donkeys and no donkey is a tiger. So, No dog is a tiger.
Conclusion B No tiger is a dog. True, ll dogs are donkeys and no donkey is a tiger. So, No dog is a tiger and No tiger is a dog.

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