A barrel of water weighs 60 pounds. What must you put into the barrel to make it weigh 40 pounds?
A hole
Putting a hole in the barrel allows some of the water to leak out, reducing its total weight.
About this riddle
Math riddles hide a calculation inside a short story. Pull out the numbers, work out what is being asked, and watch for a trick such as a unit change.
Difficulty: Easy. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
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