(1) The presented Book Fundamentals of Mathematics Guide for NTSE (National Talent Search Examination) has been written for a manner, which will be very helpful for the candidates of Scholastic Ability Test (SAT) exam for class-10. (2) This book consists 24 topics i.e. Numbers and Operations, LCM and HCF, Square and Cube Roots, Surd, Indices and Logarithm, Average, Ratio and Proportion, Partnership, Percentage, Profit and Loss, Interest: SI and CI, Problems on Ages, Mensuration, Geometry, Triangle, Quadrilateral, Circle, Pair of Linear Equations, Polynomials, Quadratic Equation, Progression, Probability, Statics, Trigonometry and Height & Distance. (3) The book is prepared by experts well-versed with fundamentals of Mathematics. The guide offers exhaustive content for SAT. All topics from the NCERT syllabus are covered numerous multiple choice questions with solutions, which challenge student’s knowledge.