Listening to Forty Duroods

Q: For listening to the Quraan you get Reward. Is their reward for listening to 40 Durood.  Where is it written that you must listen to 40 Durood and what are the bebefits of listening to 40 Duroods and what are the virtues of listening to 40 Durood?

Forty Duroods

Q: Over Radio Islam or Chanel Islam or any gathering we frequently hear the recitation of 40 Duroods.  I have only come across the mention and benefits of reading 100 or 1000 Durood.  Where is it written in the hadith kitaabs or made mention specifically of 40 Duroods and what are the benefits of reading specifically 40 Durood?

Lottery

Q: Is Lottery Permissible? Where Every Month 12 People Put R100 each, and Each Month 1 Person Will Get The Whole Sum Of R1200?

How does one specify the Sunnah dressing?

Q: We are told that Nabi (Sallallahu Alayhi Wasallam) wore the loin cloth most of the time and the Sahaba (Radiyallahu Anhum) wore shirts referred to as a kurta, some only the loin cloth due to poverty, while others only wore two pieces of cloth. How does one specify the Sunnah dressing? What was the distinguishing difference between the Sahaba (Radiyallahu Anhum) and the Non-Believers?