Quiznetik
Applications of Logical Reasoning | Set 1
1. The logical form of the sentence ’Only food is nutritious’ is ………..
A. no food is nutritious
B. some foods are nutritious
C. all foods are nutritious
D. all nutritious things are food
Correct : D. all nutritious things are food
2. The logical form of the sentence, ’Trees are not fragrant’
A. no trees are fragrant
B. some trees are not fragrant
C. all trees are fragrant
D. none of the above
Correct : B. some trees are not fragrant
3. The logical form of the sentence ‘All that glitters is not gold’
A. some glittering objects are not gold
B. no glittering objects are gold
C. no gold is glittering
D. none of the above
Correct : A. some glittering objects are not gold
4. The logical form of the sentence ‘All graduates can vote’
A. all voters are graduates
B. no voters are graduates.
C. all graduates are those who can voted.
D. none of the above
Correct : C. all graduates are those who can voted.
5. The logical form of the sentence ‘All men are not clever’
A. no men are lever
B. all men are clever
C. some men are not clever.
D. none of the above
Correct : C. some men are not clever.
6. The logical form of the sentence’ Few men are above temptations’
A. some men are above temptations
B. some men are not above temptations.
C. no men are above temptations
D. none of the above
Correct : B. some men are not above temptations.
7. The logical form of the sentence ‘ Only the wise are happy’
A. no one who is happy is wise
B. all who are happy are the wise
C. all the wise are happy .
D. none of the above
Correct : B. all who are happy are the wise
8. The logical form of the sentence ‘A few men are rich’
A. some men are rich
B. no men are rich
C. some men are not rich
D. none of the above
Correct : B. no men are rich
9. The logical form of the sentence ‘Every man is liable to error’
A. no man is liable to error
B. some men are liable to error
C. all men are liable to error
D. none of the above
Correct : C. all men are liable to error
10. The logical form of the sentence ‘All lawyers are not formalists’
A. no lawyers are formalists
B. some lawyers are not formalists
C. some lawyers are formalists
D. none of the above
Correct : B. some lawyers are not formalists
11. The logical form of the sentence ‘ Every mistake is culpable’
A. all mistakes are culpable
B. no mistakes are culpable
C. some mistakes are culpable.
D. none of the above
Correct : A. all mistakes are culpable
12. The logical form of the sentence ‘Every bullet does not kill’
A. no bullets are those that kill
B. some bullets are those that kill
C. some bullets are not those that kill
D. none of the above
Correct : C. some bullets are not those that kill
13. The logical form of the sentence ‘All who praise are not friends’
A. no one who praise are friends
B. some who praise are friends
C. some who praise are not friends
D. none of the above
Correct : C. some who praise are not friends
14. The logical form of the sentence ‘Any student can understand it’
A. all students are those who can understand it
B. some students are those who can understand it
C. some students are not those who can understand it
D. none of the above
Correct : A. all students are those who can understand it
15. The logical form of the sentence’ No everyone can solve this problem’
A. someone are not those who can solve this problem
B. someone are those who can solve this problem
C. no one are those who can solve this problem
D. none of the above
Correct : A. someone are not those who can solve this problem
16. The logical form of the sentence ‘Every Spartan is not a hero’
A. no spartan is a hero
B. some spartans are heroes
C. some spartans are not heroes
D. none of the above
Correct : C. some spartans are not heroes
17. The logical form of the sentence ’ No women was hanged’
A. some women are hanged
B. some women are not hanged
C. no women are those who are hanged
D. none of the above
Correct : C. no women are those who are hanged
18. The logical form of the sentence ‘Few men are not selfish’
A. some men are selfish
B. some men are not selfish
C. no men are selfish
D. none of the above
Correct : A. some men are selfish
19. The logical form of the sentence ‘ Scarcely students are selfish’
A. some students are selfish
B. some students are not selfish
C. no students are selfish
D. none of the above
Correct : B. some students are not selfish
20. The logical form of the sentence ‘ None the brave deserve the fair’
A. no one who is brave are those who deserve the fair
B. all who is brave are those who deserve the fair
C. some brave are those who deserve the fair
D. none of the above
Correct : A. no one who is brave are those who deserve the fair
21. The logical form of the sentence ‘Not all good writers are good speakers’
A. no good writers are good speakers
B. some good writers are good speakers
C. some good writers are not good speakers
D. none of the above
Correct : C. some good writers are not good speakers
22. The logical form of the sentence ‘Only pre-University students are eligible for admission’
A. all those who are eligible for admission are are pre-university students
B. some who are eligible for admission are are pre-university students
C. some pre-university students are eligible for admission
D. none of the above
Correct : A. all those who are eligible for admission are are pre-university students
23. The logical form of the sentence ‘Almost all legisleters are graduates’
A. all legisleters are graduates
B. some legisleters are graduates
C. some legisleters are not graduates
D. none of the above
Correct : B. some legisleters are graduates
24. The logical form of the sentence ‘Nearly all students attended the conference’
A. all students are those who attended the conference
B. some students are those attended the conference
C. some students are not those attended the conference
D. none of the above
Correct : B. some students are those attended the conference
25. The logical form of the sentence ‘Ticket holders alone are admitted’
A. all ticket holders are admitted
B. all those who are admitted are ticket holders
C. no ticket holders are admitted
D. none of the above
Correct : B. all those who are admitted are ticket holders
26. The logical form of the sentence ‘None but women can understand women’
A. all those who can understand women are women
B. some women are those who can understand women
C. some women are not those who can understand women
D. none of the above
Correct : A. all those who can understand women are women
27. The logical form of the sentence ‘A few lawyers are prosperous’
A. some lawyers are prosperous
B. some lawyers are not prosperous
C. no lawyers are prosperous
D. none of the above
Correct : A. some lawyers are prosperous
28. The logical form of the sentence ‘No lazy man succeeds in life’
A. no lazy men are those who succeeds in life
B. all lazy men are those who succeeds in life
C. some lazy men are those who succeeds in life
D. none of the above
Correct : A. no lazy men are those who succeeds in life
29. The logical form of the sentence ‘Few men are free from vanity’
A. some men are free from vanity
B. all men are free from vanity
C. some men are not free from vanity
D. none of the above
Correct : C. some men are not free from vanity
30. The logical form of the sentence ‘All adults can vote’
A. no adults are those who can vote
B. all adults are those who can vote
C. some adults are those who can vote
D. some adults are not those who can vote
Correct : B. all adults are those who can vote
31. The logical form of the sentence ‘A few men are liberal minded’
A. some men are not liberal minded
B. all men are liberal minded
C. no men are liberal minded
D. some men are liberal minded
Correct : D. some men are liberal minded
32. The logical form of the sentence ‘All docters in the world can save you’
A. all docters in the world are those who can save you
B. no docters in the world are those who can save you
C. some docters in the world are those who can save you
D. none of the above
Correct : A. all docters in the world are those who can save you
33. The logical form of the sentence ‘Every Spartan is not a hero’
A. some spartans are heroes
B. no spartans are heroes
C. some spartans are not heroes
D. none of the above
Correct : C. some spartans are not heroes
34. The logical form of the sentence ‘All are not wise who read much’
A. n one who read much are wise
B. some who read much are not wise
C. all who read much are wise
D. none of the above
Correct : B. some who read much are not wise
35. The logical form of the sentence ‘A fool is not always wrong ‘
A. some fools are not wrong
B. no fools are wrong
C. some fools are wrong
D. none of the above
Correct : A. some fools are not wrong
36. The logical form of the sentence ‘The virtuous are seldom miserable’
A. no virtuous are miserable
B. some virtuous are miserable
C. some virtuous people are not miserable
D. none of the above
Correct : C. some virtuous people are not miserable
37. The logical form of the sentence ‘Few men really know their own mind’
A. some men are those who really know their own mind
B. all men are not those who really know their own mind
C. no men are those who really know their own mind
D. none of the above
Correct : B. all men are not those who really know their own mind
38. The logical form of the sentence ‘A few students were present’
A. some students are those who were present
B. some students are not those who were present
C. no students are those who were present
D. none of the above
Correct : A. some students are those who were present
39. The logical form of the sentence ‘Many Americans are rich’
A. all americans are rich
B. some americans are rich
C. some americans are not rich
D. none of the above
Correct : B. some americans are rich
40. The logical form of the sentence ‘Only the wise are happy’
A. all wise people are happy
B. no wise people are happy
C. all happy persons are wise
D. none of the above
Correct : C. all happy persons are wise
41. In the traditional square of opposition, A and E are ………………..
A. contradictories
B. sub-contraries
C. contraries
D. sub-alterns
Correct : C. contraries
42. In the traditional square of opposition, A and I are ………………………..
A. contradictories
B. sub-contraries
C. contraries
D. sub-alterns
Correct : D. sub-alterns
43. In the traditional square of opposition, A and O are ………………………..
A. contradictories
B. sub-contraries
C. contraries
D. sub-alterns
Correct : A. contradictories
44. In the traditional square of opposition, E and O are ………………………..
A. contradictories
B. sub-contraries
C. contraries
D. sub-alterns
Correct : D. sub-alterns
45. In the traditional square of opposition, E and I are ………………………..
A. contradictories
B. sub-contraries
C. contraries
D. sub-alterns
Correct : A. contradictories
46. In the traditional square of opposition, I and O are ………………………..
A. contradictories
B. sub-contraries
C. contraries
D. sub-alterns
Correct : B. sub-contraries
47. In the traditional square of opposition, the contrary of ‘All men are mortal’is ……….
A. no men are mortal
B. some men are mortal
C. some men are not mortal
D. none of the above
Correct : A. no men are mortal
48. In the traditional square of opposition, the sub-altern of ‘All men are mortal’ is ……….
A. no men are mortal
B. some men are mortal
C. some men are not mortal
D. none of the above
Correct : B. some men are mortal
49. In the traditional square of opposition, the contradictory of ‘All men are mortal’is……….
A. no men are mortal
B. some men are mortal
C. some men are not mortal
D. none of the above
Correct : C. some men are not mortal
50. In the traditional square of opposition, the contradictory of ‘No men are mortal’ is……….
A. all men are mortal
B. some men are mortal
C. some men are not mortal
D. none of the above
Correct : B. some men are mortal
51. In the traditional square of opposition, the contrary of ‘No men are mortal’ is……….
A. all men are mortal
B. some men are mortal
C. some men are not mortal
D. none of the above
Correct : A. all men are mortal
52. In the traditional square of opposition, the sub-altern of ‘No men are mortal’ is ……….
A. all men are mortal
B. some men are mortal
C. some men are not mortal
D. none of the above
Correct : C. some men are not mortal
53. In the traditional square of opposition, the sub-contrary of ‘Some men are mortal’is……….
A. all men are mortal
B. no men are mortal
C. some men are not mortal
D. none of the above
Correct : C. some men are not mortal
54. In the traditional square of opposition, if A is true, the truth value of E is …
A. true
B. false
C. undetermined
D. none of the above
Correct : B. false
55. In the traditional square of opposition, if A is true, the truth value of I is …
A. true
B. false
C. undetermined
D. none of the above
Correct : A. true
56. In the traditional square of opposition, if A is true , the truth value of O is …
A. true
B. false
C. undetermined
D. none of the above
Correct : B. false
57. In the traditional square of opposition, if A is false , the truth value of O is ..
A. true
B. false
C. undetermined
D. none of the above
Correct : A. true
58. In the traditional square of opposition, if A is false, the truth value of E is …
A. true
B. false
C. undetermined
D. none of the above
Correct : C. undetermined
59. In the traditional square of opposition, if A is false , the truth value of I is ….
A. true
B. false
C. undetermined
D. none of the above
Correct : C. undetermined
60. In the traditional square of opposition, if E is false , the truth value of I is …
A. true
B. false
C. undetermined
D. none of the above
Correct : A. true
61. In the traditional square of opposition, if E is false, the truth value of A is ….
A. true
B. false
C. undetermined
D. none of the above
Correct : C. undetermined
62. In the traditional square of opposition, if E is false, the truth value of O is ..
A. true
B. false
C. undetermined
D. none of the above
Correct : C. undetermined
63. In the traditional square of opposition, if E is true, the truth value of I is …
A. true
B. false
C. undetermined
D. none of the above
Correct : B. false
64. In the traditional square of opposition, if E is true, the truth value of A is …..
A. true
B. false
C. undetermined
D. none of the above
Correct : B. false
65. In the traditional square of opposition, if E is true, the truth value of O is …
A. true
B. false
C. undetermined
D. none of the above
Correct : A. true
66. In the traditional square of opposition, if I is true, the truth value of A is ….
A. true
B. false
C. undetermined
D. none of the above
Correct : C. undetermined
67. In the traditional square of opposition, if I is true, the truth value of E is …
A. true
B. false
C. undetermined
D. none of the above
Correct : B. false
68. In the traditional square of opposition, if I is true, the truth value of O is …
A. true
B. false
C. undetermined
D. none of the above
Correct : C. undetermined
69. In the traditional square of opposition, if I is false, the truth value of O is ….
A. true
B. false
C. undetermined
D. none of the above
Correct : A. true
70. In the traditional square of opposition, if I is false, the truth value of A is …
A. true
B. false
C. undetermined
D. none of the above
Correct : B. false
71. In the traditional square of opposition, if I is false, the truth value of E is ….
A. true
B. false
C. undetermined
D. none of the above
Correct : A. true
72. In the traditional square of opposition, if O is true, the truth value of A is ...
A. true
B. false
C. undetermined
D. none of the above
Correct : B. false
73. In the traditional square of opposition, if O is true, the truth value of E is ...
A. true
B. false
C. undetermined
D. none of the above
Correct : C. undetermined
74. In the traditional square of opposition, if O is true, the truth value of I is …
A. true
B. false
C. undetermined
D. none of the above
Correct : C. undetermined
75. In the traditional square of opposition, if O is false, the truth value of I is …
A. true
B. false
C. undetermined
D. none of the above
Correct : A. true
76. In the traditional square of opposition, if O is false, the truth value of A is ..
A. true
B. false
C. undetermined
D. none of the above
Correct : A. true
77. In the traditional square of opposition, if O is false, the truth value of E is …
A. true
B. false
C. undetermined
D. none of the above
Correct : B. false
78. In the traditional square of opposition, contraries cannot both be ……………..
A. true
B. false
C. undetermined
D. none of the above
Correct : A. true
79. In the traditional square of opposition, sub-contraries cannot both be ………
A. true
B. false
C. undetermined
D. none of the above
Correct : B. false
80. In the traditional square of opposition, state the relation between ‘Some scientists are religious’ and ‘ All scientists are religious’
A. contradictories
B. sub-contraries
C. contraries
D. sub-alterns
Correct : D. sub-alterns
81. In the traditional square of opposition, state the relation between ‘Some scientists are religious’ and ‘ No scientists are religious’
A. contradictories
B. sub-contraries
C. contraries
D. sub-alterns
Correct : A. contradictories
82. In the traditional square of opposition, state the relation between ‘Some scientists are religious’ and ‘ Some scientists are not religious’
A. contradictories
B. sub-contraries
C. contraries
D. sub-alterns
Correct : B. sub-contraries
83. In simple conversion, ………………………….
A. quality changed
B. quantity changed
C. quality and quantity changed
D. no change in quality and quantity
Correct : D. no change in quality and quantity
84. In conversion by limitation, ………………………
A. quality changed
B. quantity changed
C. quality and quantity changed
D. no change in quality and quantity
Correct : B. quantity changed
85. Conversion of A , ……………..
A. simple conversion
B. conversion by limitation
C. no converse
D. none of these
Correct : B. conversion by limitation
86. Conversion of E, ……………..
A. simple conversion
B. conversion by limitation
C. no converse
D. none of these
Correct : A. simple conversion
87. Conversion of I, ……………..
A. simple conversion
B. conversion by limitation
C. no converse
D. none of these
Correct : A. simple conversion
88. Conversion of O, ……………..
A. simple conversion
B. conversion by limitation
C. no converse
D. none of these
Correct : C. no converse
89. Converse of ‘All Indians are Asiatics’
A. all asiatics are indians
B. some asiatics are i ndians
C. some indians are asiatics
D. none of these
Correct : B. some asiatics are i ndians
90. Converse of ‘No Indians are Asiatics’
A. all asiatics are indians
B. some asiatics are indians
C. some indians are asiatics
D. no asiatics are indians
Correct : D. no asiatics are indians
91. Converse of ‘Some Indians are Asiatics’
A. all asiatics are indians
B. some asiatics are indians
C. some indians are asiatics
D. no asiatics are indians
Correct : B. some asiatics are indians
92. Obverse of ‘All Judges are lawyers’
A. no judges are non-lawyers
B. all judges are non-lawyers
C. no lawyers are judges
D. none of these
Correct : A. no judges are non-lawyers
93. Obverse of ‘No Judges are lawyers’
A. no judges are non-lawyers
B. all judges are non-lawyers
C. no lawyers are judges
D. none of these
Correct : B. all judges are non-lawyers
94. Obverse of ‘Some Judges are lawyers’
A. no judges are non-lawyers
B. some judges are not non-lawyers
C. some lawyers are judges
D. none of these
Correct : B. some judges are not non-lawyers
95. Obverse of ‘Some Judges are not lawyers’
A. some judges are non-lawyers
B. all judges are non-lawyers
C. some lawyers are non- judges
D. none of these
Correct : A. some judges are non-lawyers
96. The converse of ‘No men are perfect’
A. all men are non-perfect
B. no perfect beings are men’
C. some men ae not perfect
D. some men are perfect
Correct : B. no perfect beings are men’
97. The converse of ‘Some men are clever’
A. some clever beings are men
B. some non-clever beings are non-men
C. some non-men are non-clever
D. none of these
Correct : A. some clever beings are men
98. The obverse of ‘ All men are mortal’
A. no non-men are non-mortal
B. no men are non-mortal
C. some mortals are men
D. none of these
Correct : B. no men are non-mortal
99. Identify the immediate inference- All metals are elements : therefore some elements are metals
A. conversion
B. obversion
C. contraposition
D. none of the above
Correct : A. conversion
100. Identify the immediate inference- Some Indians are Hindus : therefore some Hindus are Indians
A. conversion
B. obversion
C. contraposition
D. none of the above
Correct : A. conversion