An empty elevator starts on the ground floor. At floor 1, 6 people get in. At floor 2, 2 people get out and 4 people get in. At floor 3, half of the people get out and 1 gets in. How many passengers are in the elevator when it leaves floor 3?
5 passengers.
Starting empty, floor 1 adds 6 people (total 6). Floor 2 removes 2 and adds 4 (total 8). Floor 3 removes half (4 people left) and adds 1, leaving 5 passengers.
About this riddle
Logic riddles give you a few facts and ask what must be true. List what you know, cross out what cannot be, and see what is left.
Difficulty: Easy. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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