This book covers the basic ideas of Group theory, Linear programming problems, Probability and statistics, Numerical methods, Boolean algebra with mathematical logics, and Trigonometric ratios and identities with applications. This book is a thorough reference with a wide range of questions that is intended to assist students in building a solid mathematical foundation for competitive exams and other academic pursuits. Whether you are studying for competitive exams like as NDA, JEE, IIT, PET, AMU, CET, CEE, UPSEAT, EAMCET, MNR, DCE, or AIEEE, or you are seeking a degree in BBA, BCA, or B. Tech.