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Riddle: Frog in a Well

A frog is at the bottom of a well. It is a 30 foot climb to get out. Each morning, the frog jumps 3 feet up the path out, but each night, as it sleeps, it slips back 2 feet down.

Thus, at the beginning of the first day, the frog has 30 feet to go, at the beginning of the second day it has 29 feet to go, and so on.

How many days does it take the frog to get out of the well?

Your first instinct on this riddle is probably not correct.

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