Ruling on working in a debt purchasing company

Is there any riba involved in selling pure gold for mixed gold?

Are Mortgages Haram?

He was late in paying back in instalments so he suggested rescheduling the payments and increasing the amount

Some types of haraam transactions

He helped his father in his business; is there any sin on him because of his father’s haraam dealings?

Ruling on taking out a riba-based loan to build an educational institution to save the Muslim children from having to move to a Christian school

Selling gold to be handed over one year later with an increase in the amount if the price drops

Is it permissible to send our children to an Islamic school that was built with a riba-based loan?

Should he help his father to fill out a form to reduce interest payments?