Inequality Advanced Tricks (Either / Combined Cases) – Bank Exams
Advanced Logic • Either-Or • Accuracy Boost
1. Combined Inequality Concept
Sometimes inequalities are given in mixed form:
A ≥ B < C ≤ D
👉 Solve step-by-step by breaking into parts and then combining.
2. Either–Or Concept
Either–Or is used when:
- Two conclusions are opposite
- One must be true
Example:
I. A > B
II. A ≤ B
→ Either–Or applies ✔
3. Important Trick
👉 If relation is unclear:
- Check possibility
- Check contradiction
Contradictory conclusions → Apply Either–Or
4. Example
Statements:
A ≥ B
B > C
Conclusions:
I. A > C ✔
II. A = C ❌
👉 Only I follows
5. Advanced Example
Statements:
A > B ≥ C
D ≥ C
Conclusions:
I. A > D
II. A ≤ D
👉 No direct relation between A and D 👉 Either–Or applies ✔
6. Common Mistakes
- Applying Either–Or without checking contradiction ❌
- Ignoring “=” in inequality ❌
- Assuming relation without proof ❌
7. Topper Tip
Always check if conclusions are opposite before applying Either–Or. Never assume relationships.
8. Quick Practice
Statements:
A ≥ B > C
D ≥ C
Conclusions:
I. A > D
II. A ≤ D
Answer: Either–Or ✔
No comments:
Post a Comment