Logical Reasoning Tests are a form of Aptitude tests designed to measure "mental ability" and "non-verbal skills".
Logical Reasoning Questions come from a lot of different areas and are meant to stretch your mind a bit. The questions generally require the students to interpret and manipulate shapes, numbers and patterns. The Logical Reasoning questions are further divided as per the targeted skill like "Analogy and Classification", "Geometrical Shapes", "Mirror and Water Images", "Direction Sense", "Coding and Decoding" etc.
To improve and do well in Logical Reasoning section of IMO, NSO and NCO, the most important thing in familiarity with the content. We recommend the students to practice with the SOF Official Book of Reasoning for Classes 1 to 10. Students will benefit immensely by attempting some questions of each type and seeing the clear explanations given with every answer.