"Brilliant's Composite Mathematics 6 by S. P. Singh is a comprehensive textbook that covers all the essential mathematical concepts for students in the 6th grade. The book has been designed to help students develop a strong foundation in mathematics and to prepare them for more advanced mathematical concepts in higher grades. The book covers a wide range of topics, including whole numbers, fractions, decimals, geometry, mensuration, algebra, and data handling. Each chapter is presented in a clear and concise manner, with step-by-step explanations and worked examples to help students understand the concepts easily. The book also includes a large number of exercises at the end of each chapter, which provide students with ample opportunities to practice and reinforce their learning. One of the key features of this book is its emphasis on problem-solving skills. The author has included a large number of challenging problems that require students to think critically and apply their mathematical knowledge to real-world situations. The book also includes tips and strategies to help students approach and solve different types of problems."