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Popular Logical Barrel Puzzle

Popular Logical Barrel Puzzle - 9 September

We have shown you a regular water barrel. Without using any measuring device can you check if barrels is more than half filled or less than half filled ?

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  1. yes. Punch a hole exactly in the outside center of the barrel, the water will ooze out if the water is more than half full. otherwise it is less than half filled.

  2. Simple. As shown in the picture below, you should tilt the barrel so the liquid will touch the upper end of the barrel. So if the bottom part of the barrel is visible then it's not half full.