I wouldn't, as your IP will just flag up on their system. Also, if you do fail, so what, you're career will be full of failures, you won't be able to just try again but you'll need to work out on the spot what to do. If you fail, it's not a sign that you're not capable, rather everyone else has either got that problem solving ability, or if they haven't they've worked on it, so don't shortcut that process, it's not sustainable. Try your best, that's all you can do, breathe and solve the questions, they aren't horrendous, just stay calm and solve them. You'll be fine!