SOLUTION: There are 25 questions on a test with four multiple choice answers each. How many total permutations and combinations of attempts would cover all the possible answers?

Question 565727: There are 25 questions on a test with four multiple choice answers each. How many total permutations and combinations of attempts would cover all the possible answers?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
There are 25 questions on a test with four multiple choice answers each. How many total permutations and combinations of attempts would cover all the possible answers?
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Each question can be answered in 4 ways.
To # of ways = 4^25
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Cheers,
Stan H.
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