Exercise 12.1 question number 2 class 10 July 8, 2019 16 32 64 128 Class 10 maths exercise 12.1 question number 2 Lesson 10 homework 2.4 Lesson 10 homework 2.6 Grade 5 module 2 lesson 10 homework Lesson 10 homework 5.2 Lesson 12 homework 2.3