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

General Competitive Exams > Logic > Deduction

3 Total Solved Questions
~5 mins Estimated Reading Time
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Deduction

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📜 Instructions / Reading Passage
2 Questions in this set
Directions: Questions 55 to 58 are based on the following conditions: A five-member research group is chosen from four mathematicians (A, B, C, and D) and four physicists (E, F, G, and H). At least three mathematicians must be in the research group. However: • A refuses to work with D. • B refuses to work with E. • F refuses to work with G. • D refuses to work with F.
Q. 1 Intelligence Tests
Difficulty: Hard (1 Mark)
If B is chosen, who else would have to be in the group?
A
F
B
G
C
A
D
(C)
✓ Correct
E
D
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Given B refuses to work with E and the group needs 3 mathematicians, choosing B constrains the math set to B, A, and C.
Q. 2 Intelligence Tests
Difficulty: Hard (1 Mark)
If G is rejected, which other member could not work with the group?
A
A
✓ Correct
B
B
💡 Step-by-Step Explanation & Concept Rationale
Based on the mutual refusal constraints and the requirement for a majority of mathematicians in the group.
📜 Instructions / Reading Passage
1 Question in this set
Logical Deduction: Find out the right equivalent: (i) B is either F or H or I, (ii) B is not H.
Q. 3 Intelligence Tests
Difficulty: Hard (1 Mark)
Therefore,
A
B is not F
B
B is not I
C
No conditions can be drawn
D
B is either F or I
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
If B must be F, H, or I, and it is NOT H, then it must be F or I by elimination.
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