Riddle: What’s the most boring element?
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Rating: 100%
Riddle: What an fill a room but takes up no space?
Riddle: What can eat a lot of iron without getting sick?
Riddle: Why can’t you trust an atom?
Riddle: What goes into the water black and comes out red?
Rating: 67%
Riddle: A box without hinges, lock or key, yet golden treasure lies within.
Riddle: What gets whiter the dirtier that it gets?
What goes into the water black and comes out red?