Interest money

Q: Can interest money be used to pay exorbitant rates on your property? Or can they be used to pay high bank charges? Can they also be used to pay tax or toll road charges?

Q: I am running a small Madrasah and its in a rented house. There are 2 toilets but they are high pan and we would like to change one into low pan and Alhamdulillah the owner of the house has given permission for this but the question is can we use Interest money for this? Changing high pan to low pan.

Q: Can Interest money be used to pay unjust fines, e.g. Tax, border fines for paperwork mistakes! I’m not saying on speeding fines? But on those things that we know are unjust!

Q: Can a traffic fine be paid with part of my money and the excess with interest?

Q: What can a Muslim do with interest money, can he give a Muslim?

Q: I live with my parent who is working at the cash loan(thuthukani)so my question is that, whatever she comes or earn from her work it's all from rebah (interest) so what should I do in that condition? 

Q: Generally, in what avenues can interest money be spent? Is it also permissible to pay traffic fines with interest money?

Q: My question is that do we receive interests from conventional banks or is it dividend?  As far as i know, conventional banks use our money to invest and the profit received is shared among clients. Now, the money may have been invested in companies which we do not know if they are "halaal" or not.  But the question remains that is the money received is called dividend or interest?

Q: Can I pay pay my traffic fines with interest money?