Interrogative pronouns and interrogative adjectives

Dear forum,

An interrogative pronouns(who,whom, which, and what) is used to ask questions , also interrogative adjectives(which and what) is used to ask questions as well. can you provide me with examples showing both situations.

Best Regards

M.Shammat

Hi,

Look at these:

What are you talking about?

Which questions don’t you understand?

Alan