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140+ Applications of Logical Reasoning Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Arts in Philosophy (BA Philosophy) .

101.

The immediate inference in which subject and predicate are interchanged is known as:

A. conversion
B. obversion
C. contraposition
D. none of these
Answer» A. conversion
102.

The immediate inference in which the quality of a proposition is changed without change in the meaning is known as:

A. conversion
B. obversion
C. contraposition
D. none of these
Answer» B. obversion
103.

Two propositions having the same subject and predicate, differ in quality only, the opposed propositions are called:

A. contraries
B. sub-contraries
C. sub-alterns
D. contradictories
Answer» A. contraries
104.

Two propositions having the same subject and predicate, differ in quantity only, the opposed propositions are called :

A. contraries
B. sub-contraries
C. sub-alterns
D. contradictories
Answer» B. sub-contraries
105.

Immediate inference in which from a given proposition another proposition having the contradictory of the given predicate as it’s subject is inferred is called:

A. conversion
B. obversion
C. contraposition
D. none of these
Answer» C. contraposition
106.

The partial contrapositive of ‘All dealers are producers’:

A. no non-producers are dealers
B. no non-producers are non-dealers
C. all dealers are non-producers
D. all non-dealers are producers
Answer» A. no non-producers are dealers
107.

The full contrapositive of ‘All dealers are producers’:

A. no non-producers are dealers
B. no non-producers are non-dealers
C. all dealers are non-producers
D. all non-dealers are producers
Answer» B. no non-producers are non-dealers
108.

The partial contrapositive of ‘No dealers are producers’:

A. some non-producers are dealers
B. some non-producers are non- dealers
C. all dealers are non-producers
D. all non-dealers are producers
Answer» A. some non-producers are dealers
109.

The partial contrapositive of ‘Some dealers are not producers’:

A. some non-producers are dealers
B. some non-producers are non- dealers
C. all dealers are non-producers
D. all non-dealers are producers
Answer» A. some non-producers are dealers
110.

The full contrapositive of ‘Some dealers are not producers’:

A. some non-producers are dealers
B. some non-producers are not non- dealers
C. all dealers are non-producers
D. all non-dealers are producers
Answer» B. some non-producers are not non- dealers
111.

Name the fallacy: Ram is my friend Mohan is Ram’s friend Therefore, Mohan is my friend

A. fallacy of four terms
B. ambiguous major
C. ambiguous minor
D. ambiguous middle
Answer» A. fallacy of four terms
112.

Name the fallacy: No courageous creature flies The eagle is a courageous creature Therefore, the eagle does not fly

A. fallacy of four terms
B. ambiguous major
C. ambiguous minor
D. ambiguous middle
Answer» B. ambiguous major
113.

Name the fallacy: No man is made of paper All pages are men Therefore,No pages are made of paper

A. fallacy of four terms
B. ambiguous major
C. ambiguous minor
D. ambiguous middle
Answer» C. ambiguous minor
114.

Name the fallacy: All men are mortal All dogs are mortal Therefore, All men are dogs

A. undistribute middle
B. ambiguous major
C. ambiguous minor
D. ambiguous middle
Answer» A. undistribute middle
115.

Name the fallacy: Some intelligent persons are wise No wise persons are king Therefore, Some kings are not intelligent

A. undistributed middle
B. illicit major
C. illicit minor
D. ambiguous middle
Answer» B. illicit major
116.

Identify the fallacy: All men are mortal All men are intelligent Therefore, All intelligent persons are mortal

A. undistributed middle
B. illicit major
C. illicit minor
D. ambiguous middle
Answer» C. illicit minor
117.

No Indians are ungrateful All Indians are religious Therefore ,No religious person is ungrateful

A. undistributed middle
B. illicit major
C. illicit minor
D. ambiguous middle
Answer» C. illicit minor
118.

Identify the fallacy: All girls are shy This boy is shy Therefore , This boy is girl

A. undistributed middle
B. illicit major
C. illicit minor
D. ambiguous middle
Answer» A. undistributed middle
119.

Identify the fallacy: Al college teachers are graduates He is not a college teacher Therefore , He is not a graduate

A. undistributed middle
B. illicit major
C. illicit minor
D. ambiguous middle
Answer» B. illicit major
120.

Identify the fallacy: All cows are quadrupeds No dogs are cows Therefore , No dogs are quadrupeds

A. undistributed middle
B. illicit major
C. illicit minor
D. ambiguous middle
Answer» B. illicit major
121.

Identify the fallacy: All fishes live in water All frogs live in water Therefore ,All frogs are fishes

A. undistributed middle
B. illicit major
C. illicit minor
D. ambiguous middle
Answer» A. undistributed middle
122.

Identify the fallacy: All cold is dispelled by heat His ailment is cold Therefore , His ailment can be dispelled by heat

A. undistributed middle
B. illicit major
C. illicit minor
D. ambiguous middle
Answer» D. ambiguous middle
123.

Identify the fallacy: Light is the opposite of darkness My purse is light Therefore ,my purse is the opposite of darkness

A. undistributed middle
B. illicit major
C. illicit minor
D. ambiguous middle
Answer» D. ambiguous middle
124.

. Identify the fallacy: Red is a colour Blood is red Therefore ,blood is a colour

A. undistributed middle
B. illicit major
C. illicit minor
D. ambiguous middle
Answer» D. ambiguous middle
125.

Identify the fallacy: All planets are round A wheel is round Therefore , a wheel is a planet

A. undistributed middle
B. illicit major
C. illicit minor
D. ambiguous middle
Answer» A. undistributed middle
126.

Identify the fallacy: All soldiers serve their country Women are not soldiers Therefore , women do not serve their country

A. undistributed middle
B. illicit major
C. illicit minor
D. ambiguous middle
Answer» B. illicit major
127.

Identify the fallacy: All men are selfish No apes are men Therefore ,No apes are selfish

A. undistributed middle
B. illicit major
C. illicit minor
D. ambiguous middle
Answer» B. illicit major
128.

In a syllogism, the predicate of the conclusion is called the …………..

A. major term
B. minor term
C. middle term
D. none of these
Answer» A. major term
129.

In a syllogism, the subject of the conclusion is called the……………..

A. major term
B. minor term
C. middle term
D. none of these
Answer» B. minor term
130.

In a syllogism, the term common to both major and minor premises is called the …………………..

A. major term
B. minor term
C. middle term
D. none of these
Answer» C. middle term
131.

……………….. is a fallacy which occurs when a syllogism uses its major terms in one sense in the major premise and in a different sense in the conclusion.

A. ambiguous major
B. ambiguous minor
C. ambiguous middle
D. none of these
Answer» A. ambiguous major
132.

……………….. is a fallacy which occurs when a syllogism uses its minor terms in one sense in the minor premise and in a different sense in the conclusion.

A. ambiguous major
B. ambiguous minor
C. ambiguous middle
D. none of these
Answer» B. ambiguous minor
133.

……………….. is a fallacy which occurs when a syllogism uses its middle terms in one sense in the minor premise and in a different sense in the major premise.

A. ambiguous major
B. ambiguous minor
C. ambiguous middle
D. none of these
Answer» C. ambiguous middle
134.

In syllogism if the middle term is undistributed in both the premises the fallacy ………………. occurs.

A. undistributed middle
B. undistributed major
C. undistributed minor
D. none of these
Answer» A. undistributed middle
135.

In a syllogism the fallacy ……………… occurs when the major term which is not disturbed in the major premise is distributed in the conclusion.

A. illicit major
B. illicit minor
C. undistributed major
D. undistributed minor
Answer» C. undistributed major
136.

In a syllogism the fallacy ……………… occurs when the minor term which is not disturbed in the minor premise is distributed in the conclusion.

A. illicit major
B. illicit minor
C. undistributed major
D. undistributed minor
Answer» B. illicit minor
137.

In a syllogism, if one premise is negative, the conclusion must be ………….

A. particular
B. affirmative
C. negative
D. none of these
Answer» C. negative
138.

In a syllogism, if the conclusion is negative one premise must be ………..

A. particular
B. affirmative
C. negative
D. none of these
Answer» C. negative
139.

In a syllogism, if any one premise is particular the conclusion must be ……

A. particular
B. affirmative
C. negative
D. none of these
Answer» A. particular
140.

Identify the fallacy: Some animals are beasts Some animals are birds Therefore, Some birds are beasts

A. undistributed middle
B. undistributed major
C. undistributed minor
D. none of these
Answer» A. undistributed middle
141.

Identify the fallacy: All businessmen are rich No businessmen are socialists Therefore, no socialists are rich

A. undistributed middle
B. illicit major
C. illicit minor
D. ambiguous middle
Answer» B. illicit major

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