Operations Research is an analytical tool used to supplement managers in decision-making which is an important function of the management of any organization. This book deals with the application of quantitative techniques in operations Research through a large number of examples which would aid students in understanding the optimization techniques in depth and managers in tackling different problems associated with decision-making such as determination of optimum quantity of products to be manufactured, quantity of products to be transported assignment of work selection of strategy and determination of optimum time.