Class 10 maths chapter 3 exercise 3.2 question 1 July 8, 2019 16 32 64 128 Class 10 maths chapter 3 exercise 3.2 question 1 solution Class 10 1 chapter maths Class 10 maths chapter 3 exercise 3.2 Triangle maths class 10 Unit 3 lesson 10 cumulative practice problems Grade 6 module 3 lesson 10 problem set