The Basic Numeracy & Data Interpretation Compendium for IAS Prelims General Studies Paper 2 & State PSC Exams is the 1st of the 3 books for Paper 2. It is an exhaustive work capturing all the important topics being asked in the last few years of the IAS Prelim exam. The book is divided into chapters which contains detailed theory explaining all concepts with proper examples along with Practice Exercise. The Exercise covers the fully solved past CSAT questions from 2011 onwards. In all the book contains 1500+ MCQs with detailed solutions.