Operations Research is a great way for beginners to get introduced to the vast subject of Operations Research. This book has been so designed that it does not demand a knowledge of advanced mathematics from the reader, but only a basic idea of operations such as differentiation and integration that are enough to enable a reading of this book. The book opens with a general introduction of the basics of Operation Research. Following it are several chapters on various topics such as Liner Programming, The Transportation Model, The Assignment Model, Sequencing Models And Related Problems, and Advanced Topics In Liner Programming. There are a number of numerical examples that have been used to explain the underlying ideas of different operations research technique. Also, there are a large number of solved examples that are taken from several fields that aid the understanding of the subject. The set of unsolved problems come with answers and occasional hints which help the students to test themselves. The book also contains over a thousand illustrations.