Math book class 6 chapter 5 July 8, 2019 16 32 64 128 Rs aggarwal math book class 6 chapter 5 Class 6 math book chapter 5 exercise 5.1 Class 6 math book chapter 5 exercise 5.2 Math class 6 chapter 5 6th class maths chapter 5 Math book 6th Math class 6 Mathematics. class 6