|←||123 - Tons of Triangles||124 - The Rope Ladder||125 - Rolling the Die||→|
A rope ladder hangs from the side of a boat floating in the ocean, with the water coming up to the ninth rung. The ocean is calm, with almost no waves.
If the water rises by 40cm every hour, and the rungs of the ladder are 30cm apart, which rung will the water level be at in three hours?
The water level will be at the ninth rung, just as it was in the beginning.
If a boat is floating in the ocean, it rises with the tide, so the water level will never change relative to the rungs of the rope ladder.
You shouldn't get caught out by ancient riddles like this one!
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