Sentence examples for whats the problem from inspiring English sources

So whats the problem?

Whats the problem?

One of the men asked what the problem was.

We asked what the problem was.

Tell her what the problem is.

Wonder what the problem was?

I understand what the problem is.

"We'll see what the problem is".

Do you know what the problem is?

That's what the problem is".

Remind me what the problem was?