Statement & Inference

1:

(a) I know a professor of a university.

(b) He has beard.

Inference : All the professors of the university have beard.

A.

the inference is definitely true

B.

the inference is definitely false

C.

the inference is probably false or true

D.

inference can not be drawn

 

Answer : B

Explanation :

I know only one professor who has beard and other professors are not known to me. So the conclusion must be false. And the inference that "some professors of the university have beard" is probably false or probably true.

priyanka said: (8:49pm on Monday 16th September 2013)
it is possible that all professors of university have beard

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Option: A

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