Puzzle of the Day, page-43

  1. 6,277 Posts.
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    No
    Definitely 6
    After the straight vertical pipe filled to the level of the pipe going off to 6....ALL the liquid would then flow
    down that pipe to cup 6, and cup 6 would fill and overflow until the pouring at the top ceased.
    The level would never rise above this for any opportunity to “drip” to 7
 
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