what level should you evolve nidorino
For Growlithe I would evolve it at level 49 after it has learnt Flamethrower. But if instead of Flamethrower you want it to learn Extremespeed evolve it at highest level 48. I would evolve Pikachu after it has learnt it's final move Light Screen at level 50. Because Pikachu can't learn any moves after it has evolved. For Nidorino you could evolve it between levels 34 and 42.