Supervised Learning Quiz website?
Depends on which Quiz you are talking about. But these might help. 

This is for AWS Machine learning exam:

https://d1.awsstatic.com/training-and-certification/docs-ml/AWS%20Certified%20Machine%20Learning%20-%20Specialty_Sample%20Questions.pdf

And this is for Microsoft Azure Machine Learning exam:

https://www.itexams.com/exam/70-774

Take a look.