SOLUTION: a test consists of seven questions. any four questions may be selected for answering. in how many ways can this selection be made?

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Question 356928: a test consists of seven questions. any four questions may be selected for answering. in how many ways can this selection be made?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Assuming that order matters, there are 7%2A6%2A5%2A4=42%2A20=840 different ways to select 4 questions from 7 possible.