Ok, although I would be wary of using a numerical comparison for anything except catching obvious errors.
I should have asked this before, but "data science" is a pretty broad term - who are you hoping to target with this? I'm guessing for pretty junior positions but want to clarify.
Oh, and one other question, do you /can you enforce the 60 min time? [edit: never mind, I answered this experimentally, you do cut it off at 60 min]