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Syllogism (Logic) Solved Questions & Notes (2026) - Apex Rankers

General Competitive Exams > Logic > Syllogism

7 Total Solved Questions
~11 mins Estimated Reading Time
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Syllogism

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Q. 1 Intelligence Tests
Difficulty: Hard (1 Mark)
(a) All clothes are shirts (b) All shirts are red. There fore, (c) All clothes are not red.
A
False
✓ Correct
B
True.
💡 Step-by-Step Explanation & Concept Rationale
If all clothes are shirts and all shirts are red, then all clothes must be red; statement (c) is thus false.
📜 Instructions / Reading Passage
3 Questions in this set
Directions: Questions 44 to 46 are based on the following set of statements: • All C's are either A's or B's. • All A's are C's. • All B's are C's. • No G's are H's. • Some C's are H's. • Not all H's are C's.
Q. 2 Intelligence Tests
Difficulty: Hard (1 Mark)
Which could not be true?
A
I (No G's are C's)
B
II (No G's are A's)
C
III (No H's are C's)
D
III only
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Based on the premise "Some C's are H's," it is impossible for NO H's to be C's.
Q. 3 Intelligence Tests
Difficulty: Hard (1 Mark)
Which is inconsistent with the above set of statement?
A
I and V only
B
II and V only
C
II and III only
D
IV only
E
V only
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Statement V ("Some H's are G's") contradicts "No G's are H's."
Q. 4 Intelligence Tests
Difficulty: Hard (1 Mark)
If all D’s are either A’s or B’s, then which of the following is necessarily false?
A
All D's are C'S
B
All A's are D's
C
Some B's are D's
D
All D's are H's
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Since H's and C's only overlap partially, D's (which are C's) cannot all be H's.
📜 Instructions / Reading Passage
2 Questions in this set
Syllogism Analysis: (A) No pilots are free from accidents. (B) All pilots are human beings. If the above two statements are correct, then consider the validity of the following conclusions.
Q. 5 Intelligence Tests
Difficulty: Hard (1 Mark)
A. All girls do not like to marry. B. Some girls do not marry.
A
Both (X) and (Y) are valid
B
(X) is valid
C
(Y) is valid
D
Both (X) and (Y) are invalid
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
(X) directly contradicts premise A; (Y) is a universal conclusion not supported by the existential premise B.
Q. 6 Intelligence Tests
Difficulty: Hard (1 Mark)
(Pilots and human beings logic)
A
Both X and Y valid
B
Y is valid
✓ Correct
C
Neither X nor Y valid
D
X is valid
💡 Step-by-Step Explanation & Concept Rationale
Based on the logical deduction of the provided premises (No human is free from accidents).
📜 Instructions / Reading Passage
1 Question in this set
Test of Alertness: Point out the correct choice based on the logic provided in each problem.
Q. 7 Intelligence Tests
Difficulty: Hard (1 Mark)
All beggars are poor. Valid conclusion?
A
If A rich, not beggar
✓ Correct
B
If A not rich, beggar
C
If A beggar, not rich
D
All who are poor are beggars
💡 Step-by-Step Explanation & Concept Rationale
Premise establishes beggar is subset of poor; assuming rich/poor binary, a beggar cannot be rich.
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