SOLUTION: There are seven roads that lead to the top of a hill. How many different ways are there to reach the top and to get back down, if the uphill and downhill roads are different?

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Question 1120213: There are seven roads that lead to the top of a hill. How many different ways are there to reach the top and to get back down, if the uphill and downhill roads are different?
Answer by ikleyn(52805) About Me  (Show Source):
You can put this solution on YOUR website!
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You can choose any of the 7 roads uphill and any of the remaining 6 roads downhill.


In all, you you can reach the top and to get back down by 7*6 = 42 different ways.