Exercise 12.2 class 11 maths ncert solutions July 8, 2019 16 32 64 128 Class 11 maths ncert solutions chapter 12 exercise 12.2 Class 11 maths ncert solutions chapter 12 exercise 12.2 in hindi Lesson 11 homework Lesson 11 homework 2.3 Lesson 11 homework 1.2 Lesson 11 homework module 4 grade 2