Chapter 10 of Class 6th NCERT Maths Solutions covers the topic of Mensuration, which introduces students to the concepts of perimeter, area, and volume. The chapter teaches students how to calculate the perimeter and area of various regular and irregular shapes such as squares, rectangles, triangles, and circles. It also covers the concept of conversion of units of measurement and the calculation of volume of cubes and cuboids. The chapter includes several examples and exercises that allow students to practice and apply the concepts they have learned. Overall, Chapter 10 of Class 6th NCERT Maths Solutions provides students with a strong foundation in the subject of Mensuration and helps them to develop their problem-solving skills.