Exercise 8.4 question number 5 class 10th July 8, 2019 16 32 64 128 Class 10th maths exercise 8.4 question number 5 Class 10th ncert exercise 8.4 question number 5 Lesson 10 homework 5.5 Lesson 10 homework 5.4 Lesson 10 homework 5.2 Lesson 10 homework 4.3