@puzzles
Share and discuss your favorite mind benders
How many tennis matches?
And the reason that's important is every time around completes you again have a power of two, so you can like from 128 becomes 64, then 30, 216, eight, four and seven, and then two in the finals. And then you have the window right. So it plays out. Well, what if the number of entrance allowed in the tennis tournament was not an exact kind of power of two? So suppose it was any number, say 129 or 137