Noibat evolves into Noivern starting at level 48.
You can catch a Noibat at the Victory Road, Terminus Cave and in someone's Friend Safari, and later evolve it into Noivern starting at level 48. Alternatively, you can get one via trading.
Victory road or Terminus cave.
At level 48.
At level 42.
no that is only for cards
Staryu can evolve into Starmie at any level, as long it is exposed to a Water Stone.
33
At level 33 like it always was.
In Pokémon X, the lion Pokémon called Litleo will evolve into Pyroar at Level 35.
Pansear can only evolve with a Fire Stone, levels are meaningless.
Machop evolves into Machoke at level 28.
Ducklett evolves at level 35.