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Actually, I vote for eight jumps, depending on whether you consider jumping to 10 feet able to get out of the well, or if he needs clearance. Think about it this way: the first number is how high he reaches with the jump, the second is where he falls back to.
3 -- 1
4 -- 2
5 -- 3
6 -- 4
7 -- 5
8 -- 6
9 -- 7
10(out) -- 8
My riddle...hmm. Easy one off the top of my head. Father and his son are out driving together. They get in a terrible car accident. Both are rushed to the hospital. The doctor for the son walks in, sees the boy on the table, and says "I cannot operate on this boy: he is my son." Explain!
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it's quiet in here
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