Importance of Data Interpretation & Data Sufficiency is increasing in todays competitive examinations. The questions on Data Interpretation ; Data Sufficiency asked in various competitive examinations are not easy to solve without having enough practice. The Accredited Guide to Data Interpretation & Data Sufficiency will help the students in knowing the basic concepts behind problems.The book has been divided into 8 chapters each containing detailed theory which will help the students in understanding different concepts clearly & completely. Each chapter has clear indication of the types of questions along with proper guidelines to solve them. Each type of question has separate Theory Solved Examples. The exercises of each chapter have been graded as per difficulty level i.e. Level I: BeginningLevel II: Learning and Level III: Applying. Solutions to all the exercises have provided in the book. Questions of different competitive examinations like MAT, XAT, IIFT, FMS, MHT-CET, Bank PO, etc upto 2012 have also been covered in the book.