This book is tailor-made for CA Foundation aspirants, specifically covering Paper 3: Quantitative Aptitude under the latest ICAI Syllabus. It compiles past examination questions (including the January 2025 Exam), answers, additional practice questions, and the most relevant RTPs (Revision Test Papers) & MTPs (Mock Test Papers). Providing chapter-wise analysis and practice-oriented discussions, it aims to impart clarity of concepts, enable quick revision, and equip students with rigorous problem-solving skills, ensuring they can confidently tackle the exam. The Present Publication is the 13th Edition for the CA-Foundation | New Syllabus | May/Sept. 2025 Exams. This book is authored by Kailash Thakur, with the following noteworthy features: [Exhaustive Coverage of Past Exam Questions] Incorporates memory-based questions from previous CA Foundation examinations up to the latest January 2025 exam. It also provides meticulously worked-out solutions to illustrate the thought process, clarify concepts, and demonstrate effective problem-solving techniques [Additional Important Questions] Features carefully drafted practice questions on challenging and frequently tested topics, which helps reinforce students' preparedness for upcoming exams by focusing on core problem areas [Coverage of RTPs & MTPs] Integrates questions from the Revision Test Papers and Mock Test Papers issued by ICAI. It aligns the readers' exam practice with the style and difficulty level set by the Institute [Chapter-wise Sub-Topics & Marks Distribution] Provides a clear breakdown of each chapter into sub-topics, complete with marks allocation based on previous exams, which enables targeted study by highlighting high-priority areas [Chapter-wise Mapping with ICAI Study Material] Maps every chapter and topic directly to the ICAI's official study modules. This facilitates seamless cross-referencing and ensures thorough coverage of the prescribed syllabus [Focus on Conceptual Clarity & Quick Revision] As part of the CRACKER-style resources, the book offers concise yet comprehensive explanations, which is perfect for last-minute revisions and conceptual deep dives, ensuring students can retain and apply key techniques efficiently [Calculator & Shortcut Tricks] Details relevant computational shortcuts and calculator tips and equips the reader with time-saving strategies crucial for exam conditions