Question 1
5 tasks (A, B, C, D, E) are to be completed one after the other. The following conditions must be met:
- Task A must be performed immediately after Task B.
- Task E must be completed before Task C.
- Task D is neither the first nor the last task to be completed.
- Task E is performed exactly 2 positions after Task C.
Which task is scheduled in the third position?
Step-by-step solution (Deductive Logic):
1. Apply Consecutive Constraint: 'A immediately after B' -> (B, A)
2. Apply Before Constraint: 'E before C'
3. Apply Exclusion Constraint: 'D not first or last'
4. Apply Gap Constraints: 'E is 2 after C'
Final Sequence: B → A → E → D → C
Answer: The task in the third position is E.
Key Strategy: Use fixed pairs and gap constraints to anchor positions.
1. Apply Consecutive Constraint: 'A immediately after B' -> (B, A)
2. Apply Before Constraint: 'E before C'
3. Apply Exclusion Constraint: 'D not first or last'
4. Apply Gap Constraints: 'E is 2 after C'
Final Sequence: B → A → E → D → C
Answer: The task in the third position is E.
Key Strategy: Use fixed pairs and gap constraints to anchor positions.