SOLUTION: A student must answer 3 questions from a choice of 4 questions in an exam. How many different groupings of questions can the student answer?
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Question 650145: A student must answer 3 questions from a choice of 4 questions in an exam. How many different groupings of questions can the student answer?
Answer by sheldonbbtrocks(115) (Show Source): You can put this solution on YOUR website!
Well, let's name them!
1,2,3
1,2,4
1,3,4
2,3,4
There are [4] possible combinations!
Hope this helps!
Dr. Sheldon Cooper
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