What's the difference between??

Question

My mom posed that riddle to me and I don't know the answer. Again, the riddle is "What's the difference between?" Any help would be appreciated. :)

Answer 1

youm

Answer 2

well

the way it's said is the difference is between something. it is between the words whats and between.

there's your answer

Answer 3

it is the difference.

Answer 4

You could write the question as "What's 'the difference' between?"

In that case the answer would be "What's" and "between."