Champion Publication's Maths Concept King and Reasoning Concept King are comprehensive study guides designed to help students excel in competitive exams like CET, SSC, CGL, CPO, CHSL, CDS, State PSCs, and UPSC. The Maths book covers all formulas, theorems, and smart tricks with an exam hall approach for arithmetic and advanced mathematics. The Reasoning book equips students with all logics, shortcuts, techniques, and smart tricks for verbal, non-verbal, analytical, and critical reasoning. These bilingual and updated editions, authored by Gagan Pratap Sir, are the first choice for over 10 lakh students preparing for various competitive exams. With their meticulous curation and effective problem-solving strategies, these books empower students to conquer their exams with confidence.