Perfect Composite Mathematics series is based on the syllabus developed by the National Council of Educational Research and Training (NCERT), New Delhi. Subject matter is produced in such a way that it relates to the environment and focuses on the development and the understanding, thinking and reasoning skills of the students. All books of the series are activity based. Salient Features of this book: • The book covers the entire prescribed syllabus. • Questions in the form of quizzes, puzzles and cross numbers have been given to avoid stereotype questions. • Some Value Based (Life Skills) questions have been given. • Challenging problems under the heading Challenges are also there.