ANSWER: No, you cannot repay your debt from the interest money. You must not utilize this haram money for your own benefit. This needs to be given to the poor and needy muslims. 

Read more

ANSWER: If they fix the price beforehand and sell the car for you for say 120,000 and the actual price of the car is 100,000 and this 120,000 would not change at the end and you pay in monthly installments for say 5 years, this is permissible, providing the dealers own the car beforehand. 

Read more

You were sinful for not returning it on time.Try to find her again. If you absolutely can’t, give this money in Muslim charity in her name. On the day of judgement, you will find out whether this was sufficient or she will take from your good deeds until she has enough.

Read more

If they possess the car before you signing any documents committing you to buy from them, this is permissible. Otherwise, they would be selling you something they don’t possess.

Read more