If the 16 year old has parental permission, yes.
If the parents have given the female permission.
yes but the underage female/male has to have a parents consent
If you are a 32 year old male, you can marry a 35 year old female.
yes
He can.
Yes.
Yes.
Yes if he has parental consent.
Yes.
no
Yes, with parental consent.
people will not think so.