Class 7 Exercise 4.4 NBF Maths Ex 4.4 national Book Foundation Maths Sir Nadeem Munawar

Class 7 Exercise 4.4 NBF Maths Ex 4.4 national Book Foundation Maths Sir Nadeem Munawar chapter 4 class 7th federal board maths Concept of Commission concept of Value Added Tax concept of VAT Time Codes Chapters 00:00 Q no 1 04:09 Q no 2 08:22 Q no 3 15:31 Q no 4 19:52 Q no 5 21:57 Q no 6 29:02 Q no 7 36:22 Q no 8 40:34 Q no 9 44:09 Q no 10 53:08 Q no 11