This is the sixteenth edition of the textbook. It include solutions of A.M.I.E. papers. Some of the latest questions from B.E., B.Sc(Engg.) a B.Sc(General) examinations of various Indian Universities have also been added. Special features the book is that all the diagrams are redrawn & made by computer. The size of the book is all changed as per the present trend of various popular textbooks.