All the resources utilized in my academic endeavors are sourced exclusively from a reputable platform known as Corbettmaths. I intend to acknowledge and provide a proper reference to this site at the conclusion of the page, ensuring the appropriate attribution of the materials used.

Question 1

Question 2

Question 3

Question 4

Reference:

corbettmaths.com/wp-content/uploads/2021/07/Jan-FP_Part19.pdf

corbettmaths.com/wp-content/uploads/2016/10/january-19th-fp.pdf