Introduction:
The SBI PO exam is conducted by the State Bank of India to recruit Probationary Officers. The exam consists of several sections, including reasoning and computer aptitude. In this section, candidates are tested on their logical reasoning skills and knowledge of computer concepts. The marks allotted for this section play a crucial role in determining the overall score of the candidate.

Marks Allotted:
The reasoning and computer aptitude section in the SBI PO exam is usually allocated a total of 60 marks. These marks are distributed among the various topics and subtopics within the section. The distribution may vary from year to year, but the total marks remain the same. It is important for candidates to understand the weightage given to each topic in order to allocate their time and effort accordingly during exam preparation.

Topic-wise Distribution:
The reasoning and computer aptitude section covers a wide range of topics, including logical reasoning, puzzles, coding-decoding, data sufficiency, computer fundamentals, and computer terminology. The marks allotted to each topic may vary, but the following is a general distribution followed in the SBI PO exam:

1. Logical Reasoning: This topic tests the candidate's ability to analyze and solve complex problems using logic. It may include questions on seating arrangement, syllogism, blood relations, directions, and inequalities. This topic is usually allotted around 20-25 marks.

2. Puzzles: Puzzles are an integral part of the reasoning section and require candidates to think critically and solve complex problems. They may include questions on floor-based puzzles, circular arrangement, linear arrangement, and scheduling. Puzzles are generally allotted around 10-15 marks.

3. Coding-Decoding: This topic assesses the candidate's ability to decode a given word or phrase based on certain rules. It may include questions on letter coding, number coding, and symbol coding. Coding-decoding is usually allotted around 5-10 marks.

4. Data Sufficiency: This topic tests the candidate's ability to determine whether the given data is sufficient to answer a particular question or not. It may include questions on blood relations, directions, seating arrangement, and logical reasoning. Data sufficiency is generally allotted around 5-10 marks.

5. Computer Fundamentals and Terminology: This topic evaluates the candidate's knowledge of basic computer concepts and terminologies. It may include questions on hardware, software, operating systems, networking, and internet. Computer fundamentals and terminology are usually allotted around 10-15 marks.

Conclusion:
The reasoning and computer aptitude section in the SBI PO exam is allocated a total of 60 marks. These marks are distributed among various topics, including logical reasoning, puzzles, coding-decoding, data sufficiency, computer fundamentals, and computer terminology. Understanding the topic-wise distribution of marks can help candidates plan their preparation strategy effectively and focus on areas that carry more weightage.