Class 8 maths ch 7 ex 7.1 q 4 July 8, 2019 16 32 64 128 Maths class 7 chapter 8 practice set 36 Math class 7 chapter 8 practice set 33 Class 8 math ch 7 ex 7.2 q3 Class 7 math 7.3 Class 8 exercise 7c
