21.
C and D are sisters. A and B are brothers. E
is son of A and brother of D. B is related to C as
(A) Brother (B)
Son
(C) Uncle (D)
Father-in-law
Answer: C
22.
Anil played 8 cricket matches. The mean
(average) of the runs was found to be 80. After playing four more matches, the
mean of the runs of all the matches was found to be 70. The total runs made in
the last four matches is
(A) 400 (B)
300
(C) 200 (D)
100
Answer: C
23.
If two propositions are connected in such a
way that they cannot both be false although they may both be true, then their
relationship is called
(A) Contrary (B)
Subcontrary
(C) Contradictory (D) Subalternation
Answer: B
24.
Which one among the following is not a
characteristic of a deductive type of argument ?
(A) The conclusion follows from the
premise/premises necessarily.
(B) The argument admits degree of complexity.
(C) The argument provides us knowledge about
matters of fact.
(D) The argument must be either valid or
invalid.
Answer: C
25.
Select the code which states the condition of
an invalid deductive argument :
(A) All the premises are true but the
conclusion is false.
(B) Some of the premises are true but the
conclusion is false.
(C) All the premises are false and the
conclusion is also false.
(D) All the premises are true and the
conclusion is also true.
Answer: A
26.
Given below are two premises, with four
conclusions drawn from them (taking singly or together); which conclusions are
validly drawn ? Select the correct answer from the codes given below :
Premises : (i) All bats are mammals.
(ii) Birds are not bats.
Conclusions : (a) Birds are not mammals.
(b) Bats are not birds.
(c) All mammals are bats.
(d) Some mammals are bats.
Codes :
(A) (a), (b) and (d) (B) (b) and (d)
(C) (a) and (c) (D) (b), (c) and (d)
Answer: B
27.
When a definition implies a proposal to use
the definiendum to mean what is meant by the definiens it is called
(A) Lexical definition (B) Stipulative definition
(C) Precising definition (D) Persuasive definition
Answer: B
28.
Select the code which is not correct :
An analogical argument is strengthened by
(A) increasing the number of entities.
(B) increasing the number of similar
respects.
(C) reducing the claim made earlier stronger.
(D) making the conclusion stronger when
premises remain unchanged.
Answer: D
Consider the following two tables (I and II)
that show the percentage of students in each faculty at University and the
number of foreign students in the Science faculty. These percentages have been
rounded to the nearest whole number. There are a total of 1049 students
in the science faculty. Study these tables I and II and answer the questions
that follow (Questions 29 – 31):
29.
Approximately, what percentage of students in
the Science faculty is that of foreign students ?
(A) 14% (B) 9%
(C) 30% (D)
11%
Answer: D
30.
Approximately, how many students belong to
the Engineering faculty ?
(A) 420 (B)
410
(C) 390 (D)
400
Answer: B
31.
In case, there are 34 European medical
students, then approximately, what is their percentage in the medicine faculty
?
(A) 13% (B)
18%
(C) 12% (D)
15%
Answer: D
 - Part 3){kind=link}
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