Time for a test. I’ll list them from memory:

I Olfactory – sensory
II Optic – sensory
III Oculomotor – motor
IV Trochler – motor
V Trigeminal – both
VI Abducens – motor
VII Facial – both
VIII Acoustic – sensory
XI Glossopharyngeal – both
X Vagus – both
XI Spinal – motor
XII Hypoglossal – motor

How did I do?