Hi, I have reviewed your job description and attachment and understand what you want.
I have good experience in making quiz web site and web application and This is not complex, otherwise it's easy.
Relevant Skills and Experience
php, javascript, mysql, jquery, html, css, sass, bootstrap. I think It's sufficient to develop using these skills.
Proposed Milestones
£20 GBP - upfront
£130 GBP - implement