問題

Kore wa muzukashii mondai desu.

This is a difficult question.

Mondai o yonde kudasai.

Please read the question.

Kono mondai ga wakarimasen.

I don't understand this question.

Nanika mondai ga arimasu ka.

Is there any problem?

Shukudai no mondai wa yasashii desu.

The homework questions are easy.

Tsugi no mondai o shimashou.

Let's do the next question.