Below picture shows three empty cups. You need to put in your lateral thinking cap and place ten sugar cubes in three cups such that every cup contains an odd number of sugar cubes.
Can you do it?

3 Cup Classic Lateral Thinking Puzzle

Pour three sugar cubes on cup1 and cup3 and 4 sugar cubes on cup-2
Now,
Cup-1 got three sugar cubes.
Cup-3 got three sugar cubes.
Cup-2 got three seven cubes (3 of cup-1 and 4 of its own)