The thoroughly revised and updated 3rd edition of 'CDS 12 Years Mathematics, English and General Knowledge Topic-wise Solved Papers (2007 Feb - 2018 Feb)' consists of last 12 years (both Feb and November papers) from 2007 Paper 1 - 2018 Paper 1 solved papers of Elementary Mathematics, English and General Knowledge distributed into 42 topics. In all there are 23 Question papers from 2007 to 2018 - I which have been divided into the above discussed 42 topics. Practicing these questions, aspirants will come to know about the pattern and toughness of the questions asked in the examination. All the papers are divided into following sections: Section I - Mathematics which is distributed into 25 topics Section II - English is divided into 8 topics Section III - General Knowledge is divided into 9 topics The book contains 6460+ MILESTONE MCQ’s from the above 23 Question papers. The strength of the book lies in the originality of its question papers and Errorless Solutions. The solution of each and every question is provided in detail (step-by-step) so as to provide 100 percent concept clarity to the students.