Q.-1911    It is Truism to say that no one was there when life first appeared on earth. Any assertion about life’s origin, thus, should be treated as a theory. The above two statements constitute:

(A) A historical explanation

(B) A narrative

(C) An argument

(D) A conjecture

Answer Key is: (C)

Q.-1912    Given below are four statements. Among them two are related in such a way that they can both be true but they cannot both be false. Select the code that indicates those two statements:

Statements:

(a) Honest people never suffer.

(b) Almost all honest people do suffer.

(c) Honest people hardly suffer.

(d) Each and every honest person suffers.

Code:

(A) (a) and (b)

(B) (a) and (c)

(C) (a) and (d)

(D) (b) and (c)

Answer Key is: (D)

Q.-1913    A deductive argument is invalid if:

(A) Its premises and conclusion are all true.

(B) Its premises and conclusion are all false.

(C) Its premises are all false but its conclusion is true.

(D) Its premises are all true but its conclusion is false.

Answer Key is: (D)

Q.-1914    Given below are two premises (a and b). From those two premises four conclusions (i), (ii), (iii) and (iv) are drawn. Select the code that states the conclusion/conclusions drawn validly (taking the premises singularly or jointly).

Premises:

(a) All bats are mammals.

(b) No birds are bats.

Conclusions:

(i) No birds are mammals.

(ii) Some birds are not mammals.

(iii) No bats are birds.

(iv) All mammals are bats.

Code:

(A) (i) only

(B) (i) and (ii) only

(C) (iii) only

(D) (iii) and (iv) only

Answer Key is: (C)

Q.-1915  Just as melting ice - cubes do not cause a glass of water to overflow, melting sea - ice does not increase oceanic volume.

What type of argument is it?

(A) Analogical

(B) Hypothetical

(C) Psychological

(D) Statistical

Answer Key is: (A)

Q.-1916    The next term in the series −1, 5, 15, 29, ? , ... is:

(A) 36

(B) 47

(C) 59

(D) 63

Answer Key is: (C)

Q.-1917    The next term in the series ABD, DGK, HMS, MTB, SBL, ? , ... is:

(A) ZKU

(B) ZCA

(C) ZKW

(D) KZU

Answer Key is: (C)

Q.-1918    If VARANASI is coded as WCUESGZQ, then the code of KOLKATA will be:

(A) LOQOZEH

(B) HLZEOOQ

(C) ZELHOQO

(D) LQOOFZH

Answer Key is: (D)

Q.-1919    Introducing Rakesh to her husband a women said, “His brother’s father is the only son of my grandfather”. The woman is related to Rakesh as:

(A) Aunt

(B) Mother

(C) Sister

(D) Daughter

Answer Key is: (C)

Q.-1920    Two numbers are in the ratio 2 : 5. If 16 is added to both the numbers, their ratio becomes 1 : 2. The numbers are:

(A) 16, 40

(B) 20, 50

(C) 28, 70

(D) 32, 80

Answer Key is: (D)

Q.-1921    Superiority of intellect depends upon its power of concentration on one theme in the same way as a concave mirror collects all the rays that strike upon it into one point.

What type of reasoning is entailed in the above statement?

(A) Mathematical

(B) Psychological

(C) Analogical

(D) Deductive

Answer Key is: (C)

Q.-1922    Given below are two premises (A and B). Four conclusions are drawn from them. Select the code that states validly drawn conclusion(s) (taking the premises individually or jointly).

Premises:

(A) Most of the dancers are physically fit.

(B) Most of the singers are dancers.

Conclusions:

(a) Most of the singers are physically fit.

(b) Most of the dancers are singers.

(c) Most of the physically fit persons are dancers.

(d) Most of the physically fit persons are singers.

Code:

(A) (a) and (b)

(B) (b) and (c)

(C) (c) and (d)

(D) (d) and (a)

Answer Key is: (A)

Q.-1923    Which one among the following is a presupposition in inductive reasoning?

(A) Law of identity

(B) Unchangeability in nature

(C) Harmony in nature

(D) Uniformity of nature

Answer Key is: (D)

Q.-1924    If the proposition ‘domestic animals are hardly ferocious’ is taken to be false, which of the following proposition/propositions can be claimed to be certainly true? Select the correct Code:

Propositions:

(a) All domestic animals are ferocious.

(b) Most of the domestic animals are ferocious.

(c) No domestic animal is ferocious.

(d) Some domestic animals are non-ferocious.

Code:

(A) (a) and (b)

(B) (a) only

(C) (c) and (d)

(D) (b) only

Answer Key is: (C)

Q.-1925    Which one of the following statements is not correct in the context of Venn diagram method?

(A) It is a method of testing the validity of arguments.

(B) It represents both the premises of a syllogism in one diagram.

(C) It requires two overlapping circles for the two premises of a standard-form categorical syllogism.

(D) It can be used to represent classes as well as propositions.

Answer Key is: (C)   Q.-1926    Which of the following is not a classical model of information retrieval?   (A) Boolean   (B) Cluster   (C) Probabilistic   (D) Vector-space   Answer Key is: (B) Q.-1927    Who criticized the concept of main entry as ‘a relic of outdated technology’?   (A) Michael Gorman   (B) Robert L. Maxwell   (C) Pat Oddy   (D) Tom Delsey   Answer Key is: (A) Q.-1928    Identify the odd one out:   (A) Reference entry   (B) Centred entry   (C) Analytical entry   (D) Added entry   Answer Key is: (B) Q.-1929    ‘Path-Goal Theory of Leader Effectiveness’ is developed by:   (A) Douglas McGregor   (B) William Ouchi   (C) Robert House   (D) Abraham Maslow   Answer Key is: (C) Q.-1930     ‘Ambra’ an innovative open source plateform (for publishing open access resource articles) is developed by:   (A) OCLC   (B) DOAJ   (C) PLOS   (D) WDL   Answer Key is: (C)