Are some of the challenge questions wrong?

Question

I have found that instead of giving right answers to the questions in the challenge mode, I get "wrong". It is strange and hard to digest that some of the questions in HTML are not good enough to be published in the first place.

Am I the only one who has noticed it?

Answer 1

Yes, they could be wrong. If you find one, you should report it.

Answer 2

I think so.