Ruling on buying a mosque with an interest-based loan

The people have moved away from the neighbourhood; what should the imaam of the local mosque do?

Praying in a mosque which is attached to a grave in the direction of the Qiblah

Women wearing perfume when they attend the mosque

Ruling on a menstruating woman entering rooms etc. attached to the mosque

Congregational Takbeer in the mosque when hearing good news

Ruling on transferring the money of one mosque to another

Ruling on renting churches for salaat

Buying a church to make it into a mosque

Mosques built by a Kaafir state for its Muslim inhabitants