What sort of music do you like?
What is the capital of Greece?
What colour are her eyes?
Which is used when we are thinking about a small number of possibilities (perhaps 2, 3 or 4):
We can go this way or that way. Which way shall we go?
There are four umbrellas here. Which is yours?
Which colour do you prefer, red or blue?
Enough is used before a noun:
Do you eat enough vegetables?
I donīt have enough time.
He doesnīt drink enough water.
Enough is used after an adjective:
This dress isnīt big enough.
He was tall enough to play on the basketball team.
She's old enough to make up her own mind.
Student or Learner