10 Logical Reasoning Tricks for UPSC Prelims 2026 (CSAT)

1. Identify question type – Know if it’s an assumption, conclusion, or inference.

2. Eliminate extremes – Avoid options with words like "always" or "never".

3. Watch keywords – Words like "but", "therefore", "however" hint at logic flow.

4. Test options logically – Plug options back into the question.

5. Use Venn diagrams – Helps with syllogism and statement analysis.

6. Apply reverse logic – In puzzles or arrangements, work backward.

7. Learn number patterns – Memorize squares, primes, and series tricks.

8. Decode letters smartly – A=1, B=2… recognize shifts.

9. Don’t assume facts – Assumptions are unstated but necessary ideas.

10. Manage time well – Spend max 2 mins per question.

Practice previous year papers to master these tricks!