NOT KNOWN DETAILS ABOUT RIDDLES

Issue: What operates but by no means walks, has a bed but hardly ever sleeps, a mouth that under no circumstances speaks, as well as a head that in no way weeps?139. A ship contains a ladder that’s ten ft prolonged, and hangs from the side from the boat, with its past a few feet submerged in water. If the ocean tide rises 5 ft, exactly how much o