問題, もんだい
1. question (e.g. on a test), problem
2. problem (e.g. societal, political), issue, subject (e.g. of research), case, matter
3. question (i.e. doubt)
4. public discussion, controversy
5. trouble, inconvenience, difficulty
あなたはどのようにしてその問題を解いたのですか。
が
Particle
1. indicates sentence subject (occasionally object)
2. indicates possessive (esp. in literary expressions)
Conjunction
3. but, however, still, and
after the volitional form of a verb
4. regardless of, whether (or not)
ある, 有る, 在る
Godan verb, Intransitive, See 居る・いる・1, Usually in kana, usu. of inanimate objects
1. to be, to exist, to live
2. to have
3. to be located
4. to be equipped with
5. to happen, to come about
悪いけどほかに用事があるの。
ある, 或る, 或
Pre-noun adjectival (rentaishi), Usually in kana
a certain ..., some ...
ある学生に会うところです。