The latest edition of Disha’s Bestseller ‘SSC CGL 13 Year-wise Tier I Solved Papers (2010 - 21)’ consists of the detailed solutions of the past 13 Year papers of SSC CGL Prelim Papers. 2 sets of 2019-20 & 1 set of 2021 SSC CGL Tier I Solved Papers are added in this new edition. 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% concept clarity to the students. Appear in these Papers as Mock Tests.

SSC CGL 12 Year-wise Tier I & II Solved Papers (2011-20) consists of the detailed solutions of the past 12 Year papers of SSC CGL Prelim Papers (2015 - 2020). 2 sets of 2019-20 SSC CGL Tier I Solved Papers are added in this new edition.

Staff Selection Commission (SSC) is a government body that is responsible for recruitment to posts and services under the Central Government. The organization recruits staff for various posts in the numerous Ministries and Department of Government of India and its Subordinate offices as well. Every year, SSC conducts Combined Graduate Level- SSC CGL exam for recruitment to non- technical Group B and Group C non gazetted posts in various Ministries, Departments and organizations of the Government of India. Every year thousands of vacancies are filled by SSC in Government departments. Government jobs are the most sought after career choice in India. There are wonderful opportunities for students who seek government jobs in central government. A great opportunity lies ahead for all the SSC aspirants so grab this opportunity by cracking this highly aspired examination. This exam consists of four phases and has three different phases as Tier I, Tier II, Tier III, and Tier IV respectively, where each phase needs to be cleared. Tier I exam comprises four sections- Quantitative Aptitude, English Language and Comprehension, General Intelligence & Reasoning and General Awareness respectively, and having 100 questions (25 questions in each section). The time duration of this exam will be 60 minutes.

Knowledge updating is a never-ending process and so should be the revision of an effective textbook. The book originally written fifty years ago has, during the intervening period, been revised and reprinted several times. The authors have, however, been thinking, for the last few years that the book needed not only a thorough revision but rather a substantial rewriting. They now take great pleasure in presenting to the readers the twelfth, thoroughly revised and enlarged, Golden Jubilee edition of the book. The subject-matter in the entire book has been re-written in the light of numerous criticisms and suggestions received from the users of the earlier editions in India and abroad. The basis of this revision has been the emergence of new literature on the subject, the constructive feedback from students and teaching fraternity, as well as those changes that have been made in the syllabi and/or the pattern of examination papers of numerous universities. Knowledge updating is a never-ending process and so should be the revision of an effective textbook. The book originally written fifty years ago has, during the intervening period, been revised and reprinted several times. The authors have, however, been thinking, for the last few years that the book needed not only a thorough revision but rather a substantial rewriting. They now take great pleasure in presenting to the readers the twelfth, thoroughly revised and enlarged, Golden Jubilee edition of the book. The subject-matter in the entire book has been re-written in the light of numerous criticisms and suggestions received from the users of the earlier editions in India and abroad. The basis of this revision has been the emergence of new literature on the subject, the constructive feedback from students and teaching fraternity, as well as those changes that have been made in the syllabi and/or the pattern of examination papers of numerous universities. Knowledge updating is a never-ending process and so should be the revision of an effective textbook. The book originally written fifty years ago has, during the intervening period, been revised and reprinted several times. The authors have, however, been thinking, for the last few years that the book needed not only a thorough revision but rather a substantial rewriting. They now take great pleasure in presenting to the readers the twelfth, thoroughly revised and enlarged, Golden Jubilee edition of the book. The subject-matter in the entire book has been re-written in the light of numerous criticisms and suggestions received from the users of the earlier editions in India and abroad. The basis of this revision has been the emergence of new literature on the subject, the constructive feedback from students and teaching fraternity, as well as those changes that have been made in the syllabi and/or the pattern of examination papers of numerous universities. Some prominent additions are given below: 1. Variance of Degenerate Random Variable 2. Approximate Expression for Expectation and Variance 3. Lyapounov’s Inequality 4. Holder’s Inequality 5. Minkowski’s Inequality 6. Double Expectation Rule or Double-E Rule and many others

Mathematics plays a vital role in every field of our daily life. It is a field where guesses will not work. MATHEMATICS Simplified has been specially created for students who are preparing for various competitive examinations like GMAT, CAT, NDA, CDS, banking, etc. It has been written to understand the tricks of problem solving in a better way. There are many comprehensive questions with sufficient examples – from a beginner to an advanced level. A question bank, with most of the questions drawn from different examinations papers, has been specially designed for thorough practice and better understanding of the subject.