How to do the different parts of the exam

HOW TO DO PART 1

https://youtu.be/PnBEAupgEdo

HOW TO DO PART 2

https://youtu.be/e6qBjG4dUIQ

HOW TO DO PART 3

https://youtu.be/WfpZPDqNNg0

HOW TO DO PART 4