The ultimate question, would not be multiple choice.
The means by getting the answer, the calculation or reasoning, are just as much part of the answer as is the acutal outcome of the calculation. We used to get points for approach and bonus points for the correct answer (it took 45 mins just to write down the calculation).
You can only test factual knowlidge with written tests,.
You can take an English test by writing an essay.
Math tests with solving equasians, no googling is going to give you the complete calculation for solving maths. MAPLE will not give you the way it solved it, merely an answer. If you don't understand the matter, you would be stuck googling the entire test time and not completing the exam.