Salaah

Q: Please explain the exact size and material of sutra which should be keep in front of the musalla.

Q: I was a Christian but now I converted to Muslim. I am living with a girl I didn't marry. I know its a big sin to commit zinaa but I did not have money to marry my woman who is a Muslim. My question is, can I still pray my five times salat in this situation?

Q: What is the method for qadhaa namaaz and fasting?

Q:

1. If I am praying 4 rakah salah and in the last rakah I doubted whether I prayed 4 or 5 rakah... as there is no 5 rakahs so I base myself on 4 rakahs and complete my prayer without doing sajda e sahw...is my prayer is valid?

2. Do I have to do sajda e sahw in this situation?

Q: I went to Durban for 17 days. I read qasar salaah for the first 7 days. When I realized my mistake, I read full salaah for the next 10 days. How do I correct the salaah of the 7 days?

Q: If a person prays 4 rakaats nafl with one salam, do you have to recite thana in the 3rd rakaat?

Q: Do we pray Salatul Duha in pairs of 2 or 4 rakaats with one salam?

Q: I heard that if one reads the last few aayats of Surah al Kahf and makes a niyyat to get up for tahajjud then it will be easy to get up. Is this true?

Q: How do I perform sadjah sahw?

Q:

1. I have a lot of qadha salaah and I don't know exactly how much, how should I calculate all my salaah?

2. While performing my qadha salaah, can I perform all the Fajr, then all the Zuhr, then all the Asr and so on?