Useful for Cyber Olympiad exams Computer Knowledge and reasoning enhancement. Salient Features: Prepared on curriculum suitable for various central and state boards Mental Ability Reasoning Computer are covered in this single edition Fundamental concepts are thoroughly revised Exhaustive range of questions that stimulate the interest of the students while testing their knowledge Suitable for all International/National/State Talent Exams like Unified cyber Olympiad NCO informatics Olympiad etc. Solutions and explanations are provided for selected questions.