Question

You are to go from A to B, always moving right or down along the lines. On how many different a paths can you go?

Answer 1

We could fill those paths like this:
1 1 1 1
1 2 3 4 5

1 3 6 10 15
1 4 10 20 35
Or we can calculate: 3C7 = ( 7 * 6 * 5 ) / ( 3 * 2 * 1 ) = 35Answer: You can go on 35 different paths.