This book compilation includes all the elimination and semi-finals round problems with solutions given during the Math Agility Competition in 2021. And it consists of 170 pages explaining the complete solution to the 80 problems presented in the contest. The questions are so constructed to relate various subjects from Algebra, Linear Algebra, Geometry, Trigonometry, PreCalculus, Calculus, Probability, Statistics, Discrete Mathematics, and Physics. You can pay via GCash, just choose bank deposit as a mode of payment and instructions will be provided.