Class 10 maths chapter 9 exercise 9.1 question 8 July 8, 2019 16 32 64 128 Class 8 maths chapter 9 exercise 9.1 question number 10 Ex 9.1 class 10 q8 Class 10 ch 9 maths ex 9.1 q 7 Class 10 1 chapter maths Class 10 ch 9 maths ex 9.1 q6