a) 3000-6000 depending on quality /area
b) http://www.qatarliving.com/answers/cost-of-living/how-much-should-i-expe...
(totally depends on your lifestyle)

C)2000 per term
d)Hamad emergency free, private clininc 100 QR
e)0.80 riyals per litre
f)...????? depends