Ex 9.1 class 8 question 10 July 8, 2019 16 32 64 128 Class 10 maths ex 9.1 question 8 Ex 9.1 class 10 q8 Ex 8 class 9 Q10 class 9 ex 8.1 Ex 8.1 class 10 q9 Ex 8.1 question 9