The Reasoning Ability section is an important part of the Preliminary exam conducted for the selection of candidates for the IBPS RRB PO (Probationary Officer) position. This section evaluates the logical and analytical skills of the candidates. The topics covered in the Reasoning Ability section of the IBPS RRB PO Prelims exam are as follows:

1. Seating Arrangement and Puzzle:
- Linear seating arrangement
- Circular seating arrangement
- Square or rectangular seating arrangement
- Floor-based puzzle
- Day-based puzzle
- Box-based puzzle
- Miscellaneous puzzle

2. Syllogism:
- Statements and conclusions
- Possibility-based questions
- Negative information-based questions
- Categorical syllogism

3. Alphanumeric Series:
- Number series
- Alphabet series
- Mixed series

4. Coding-Decoding:
- Letter shifting
- Symbol coding
- Number coding
- Mixed coding

5. Inequality:
- Direct inequality
- Coded inequality
- Mathematical inequality

6. Input-Output:
- Word formation
- Number arrangement
- Alphanumeric arrangement

7. Data Sufficiency:
- Statements and conclusions
- Statements and assumptions
- Statements and inferences

8. Blood Relations:
- Family tree-based questions
- Coded blood relation questions

9. Order and Ranking:
- Ranking of individuals
- Height-based ranking
- Age-based ranking

10. Direction Sense:
- Directions and distances
- Puzzles involving directions

11. Alphabet Test:
- Letter arrangement
- Letter coding

12. Logical Reasoning:
- Statement and argument
- Statement and assumption
- Statement and inference
- Cause and effect

These topics cover various aspects of reasoning ability and require candidates to analyze and solve problems using logical thinking. To excel in this section, candidates should practice solving questions from each topic and develop their reasoning skills.