Q: Please advise the best dua for long life. 

Also, will my wife be with me in jannat if we both are granted this joy by Allah Ta'ala?

Q: I wanted to ask some things related to the payment of zakaat. They are as follows: 

I was unaware that I had enough gold previously and now I have to pay zakaat for the last 2.5 years. So will the zakaat of each year be calculated according to the gold value in that year, or according to the current year's gold value? 

If I won't pay it all at once, and do it in installments will I be sinful in delaying it further?

Q: Is the following Hadith authentic or is it a fabrication? 

It is reported in the Hadith that whoever passes by the graveyard and recites Surah Ikhlaas eleven times, he will receive reward equivalent to the number of the inmates of the graves. 

Q: The bank gives a percentage of interest on money in your savings account. Is it permissible to use this money to pay off debts?

Q: How should I console a friend whose close friend passed away? Is it fine to say he will go to heaven inshallah? What should I say and do? What about neighbour's whose close one's passed away?

Q: 

1. If a person often wears perfume and sometimes in salaah feels it in his throat, maybe because he unintentionally inhaled it, will his salaah break? 

2. What if he does so intentionally or out of carelessness, will his salaah break?

Q: Sometimes, I get up and perform tahajjud one hour before the time of Fajr, but after performing my Fajr, I often go back to sleep and put my alarm for ishraaq salaah to get up again. Is it permissible for me to do that?

Q: My son left the fold of Islam many years ago. We broke ties with him. Can I contact him now? Would I be sinful if I contact him since he is a murtad?

Q: Is it allowed to cut the mustache and cut the nails on a Thursday? Or it is better on a Friday?

Q: Is it permissible for women to dye their hair black only?