Logical Reasoning 120 PYQS PART 1 FOR NTA UGC NET SET SLET
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CBSE UGC NET JUNE 2006
Q.1. Which of the following conclusions is logically valid based on statement given below?
Statement: Most teachers are hard working.
Conclusions:
(I) Some teachers are hard working.
(II) Some teachers are not hard working.
(A) Only (I) is implied
(B) Only (II) is implied
(C) Both (I) and (II) are implied
(D) Neither (I) nor (II) is implied
Answer – C
Q.2. Which of the following conclusions is logically valid based on statement given below?
Statement: Most of the Indian states existed before independence.
Conclusions: (I) Some Indian States existed before independence.
(II) All Indian States did not exist before independence.
(A) only (I) is implied
(B) only (II) is implied
(C) Both (I) and (II) are implied
(D) Neither (I) nor (II) is implied
Answer- B
Q.3. Direction for this question:
Given below are two statements (a) and (b) followed by two conclusions (i) and (ii). Considering the statements to be true, indicate which of the following conclusions logically follow from the given statements by selecting one of the four response alternatives given below the conclusion:
Statements: (a) all businessmen are wealthy.
(b) all wealthy people are hard working.
Conclusions: (i) All businessmen are hard working.
(ii) All hardly working people are not wealthy
(A) Only (i) follows
(B) Only (ii) follows
(C) Only (i) and (ii) follows
(D) Neither (i) nor (ii) follows
Answer – A
CBSE UGC NET DECEMBER 2006
Q.4. Which one of the following statements is completely non-sensical?
(A) He was a bachelor, but he married recently.
(B) He is a bachelor, but he married recently.
(C) When he married, he was not a bachelor.
(D) When he was a bachelor, he was not married.
Answer – B
Q.5. Which of the following statements are mutually contradictory?
(i) All flowers are not fragrant.
(ii) Most flowers are not fragrant.
(iii) None of the flowers is fragrant.
(iv) Most flowers are fragrant.
Choose the correct answer from the code given below:
Code:
(A) (i) and (ii)
(B) (i) and (iii)
(C) (ii) and (iii)
(D) (iii) and (iv)
Answer – D
Q.6. Which of the following are correct ways of arguing?
(i) There can be no second husband without a second wife.
(ii) Anil is a friend of Bob, Bob is a friend of Raj, hence Anil is a friend of Raj.
(iii) A is equal to B, B is equal to C, hence A is equal to C.
(iv) If everyone is a liar, then we cannot prove it.
Choose the correct answer from the code given below:
Code:
(A) (iii) and (iv)
(B) (i), (iii) and (iv)
(C) (ii), (iii) and (iv)
(D) (i), (ii), (iii) and (iv)
Answer – A
Q.7. Which of the following statement/s are ALWAYS FALSE?
(i) The sun will not rise in the East some day.
(ii) A wooden table is not a table.
(iii) Delhi city will be drowned under water.
(iv) Cars run on water as fuel.
Choose the correct answer from the code given below:
Code:
(A) (i), (iii) and (iv)
(B) Only (iii)
(C) (i), (ii) and (iii)
(D) (ii) alone
Answer – D
CBSE UGC NET DECEMBER 2007
Q.8. Logical arguments are based on:
(A) Scientific reasoning
(B) Customary reasoning
(C) Mathematical reasoning
(D) Syllogistic reasoning
Answer – D
JUNE 2007
Q.9. From the given four statements, select the two which cannot be true but yet both can be false.
Choose the right pair:
(i) All men are mortal
(ii) Some men are mortal
(iii) No man is mortal
(iv) Some men are not mortal
(A) (i) and (ii)
(B) (iii) and (iv)
(C) (i) and (iii)
(D) (ii) and (iv)
Answer- D
Q.10. A Syllogism must have:
(A) Three terms
(B) Four terms
(C) Six terms
(D) Five terms
Answer – A
Q.11. Copula is that part of proposition which denotes the relationship between:
(A) Subject and predicate
(B) Known and unknown
(C) Major premise and minor premise
(D) Subject and object
Answer -A
Q.12. “E” denotes:
(A) Universal Negative Proposition
(B) Particular Affirmative Proposition
(C) Universal Affirmative Proposition
(D) Particular Negative Proposition
Answer – A
JUNE 2008
Q.13. The statement, ‘To be non-violent is good’ is a:
(A) Moral judgement
(B) Factual judgement
(C) Religious judgement
(D) Value judgement
Answer – A
Q.14. Value Judgements are:
(A) Factual Judgements
(B) Ordinary Judgements
(C) Normative Judgements
(D) Expression of public opinion
Answer- C
Q.15. Deductive reasoning proceeds from:
(A) general to particular
(B) particular to general
(C) one general conclusion to another general conclusion
(D) one particular conclusion to another particular conclusion
Answer – A
CBSE UGC NETDECEMBER 2008
Q.16. Logical reasoning is based on:
(A) Truth of involved propositions
(B) Valid relation among the involved propositions
(C) Employment of symbolic language
(D) Employment of ordinary language
Answer – B
Q.17. Two propositions with the same subject and predicate terms but different in quality are:
(A) Contradictory
(B) Contrary
(C) Subaltern
(D) Identical
Answer –C
Q.18. The premises of a valid deductive argument:
(A) Provide some evidence for its conclusion
(B) Provide no evidence for its conclusion
(C) Are irrelevant for its conclusion
(D) Provide conclusive evidence for its conclusion
Answer –D
Q.19. Syllogistic reasoning is:
(A) Deductive
(B) Inductive
(C) Experimental
(D) Hypothetical
Answer –A
CBSE UGC NET JUNE 2009
Q.20. In a deductive argument conclusion is:
(A) Summing up of the premises
(B) Not necessarily based on premises
(C) Entailed by the premises
(D) Additional to the premises
Answer – C