As you have asked about the Railway Recruitment Board (RRB) Ahmedabad staff nurse syllabus, I am giving you information about it, check below for the details

The Question papers shall be of Objective Multiple Choice Type.
The questions paper languages will be in English, Hindi, Urdu and local languages, Main Topics of Written Exam are given below.

General Awareness
Arithmetic
General Intelligence and Reasoning
General Science

Total Questions Approximately 100
Time Duration: 90 Minutes
Negative Marks: 1/3 for each wrong Answer

Arithmetic

Number Theory (LCM, HCF, Prime No.s etc)
Basic Maths
Algebra and Geometry
Speed, Distance and Time
Ratio & Proportion
Percentages
Probability

Reasoning:

Syllogism,
Seating Arrangement,
Blood Relation,
Directions,
Coding-Decoding,
Statement and Conclusions,
Statement and Assumptions,
Analogy,
Ranking,
Series Problems and Non-Verbal Reasoning