Giving “charity” to a person by praying with him after Fajr

A person was not sure whether he was in front of the imaam. What is the ruling?

Should a person stand to the right of the imaam if the row is full?

If a latecomer catches up with the imaam during rukoo’ (bowing)

Should the imam appoint someone to take his place if his prayer becomes invalid?

What should be done if a third person joins two who are praying in jamaa’ah?

An imam is guilty of some secret sin; should he continue in his position as imam?

If the one who knows more Qur’an holds Ash’ari beliefs, can he still lead the prayer?

Can a woman lead prayer if she knows more Qur’aan?

Adding another rak’ah to the imam’s witr because one wants to pray some more