deset

In a sentence

• Na polici je deset knjiga.

  On the shelf are ten books.

  Here, 'deset' is used as a numeral to indicate the number of books.

• Deset je omiljeni broj mog prijatelja.

  Ten is my friend's favorite number.

  In this sentence, 'deset' is used as a subject of the verb, meaning the number ten itself.

• Došli smo na zabavu oko deset sati.

  We arrived at the party around ten o'clock.

  Here, 'deset' is used in a time expression to indicate an hour.