Class 10 maths ncert solutions surface area and volume 12.2 July 8, 2019 16 32 64 128 Class 10 maths ex 12.2 ncert solutions surface area and volume Total surface area and volume class 10 Class 10 maths chapter 12 ex 12.3 q12 Class 10 1 chapter maths Mathematics class 10 1(c) class 10 math