UGC NET Paper1 Previous Year Solved Papers - 21th June 2019 Morning
- Option : A
- Explanation : The proposition 'all pens are not pencils' is equivalent to 'some pencils are pens' or 'some pens are pencils' or 'no pen is pencil'. But 'all pens are not pencils' is negative proposition to 'all pens are pencils'. Hence this is false.
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- Option : A
- Explanation : The sum of the deviations from the mean is zero. This will always be the case as it is a property of the sample mean i.e. the sum of the deviation below the mean will always equal to the sum of the deviation above the mean.
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23. Identify the reasoning in the argument: 'Writing on paper is similar to writing on the board'.
- Option : C
- Explanation : Analogical reasoning relies upon analogy, citing accepted similarities between two systems to support the conclusion that some further similarity exists. in the given argument, the term 'is similar to' clearly shows the comparison between writing on paper and writing on the board.
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- Option : C
- Explanation : Linguistic content OT words of a language of communication make up only a small portion of observable behaviour. The non- content aspects of behaviour, such as rate of speaking, loudness, tendency to interrupt, and pronunciation peculiarities, constitute extra-linguistic behaviour or paralanguage or 'body language', e.g., vocal pitch accurately measures emotional state.
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25. The proposition 'All leaves are green' is equivalent to which of the following propositions?
- Option : D
- Explanation : The proposition, 'All leaves are green' can also be stated as 'No leaves are non-green' (it is the obverse of the given proposition) without any change in meaning. Again, 'non- green' means' any colour other than green.'
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