I am giving you the figures which may give you an idea about cost of living here.

Hope this will help you to calculate your mothly savings and expected salary:

Housing Rent is exorbitantly high in Qatar. If you want decent place to live then you have to be ready to spend around 7500 to 9500.

QAR (Per Month) For 2 Persons
8,500 House Rent (Furnished)
1,800 Groceries+ Misc exps.
1,600 Car Hire / OR Loan installment + Petrol
33 Land Line Rent
50 Mobile Rent OR Prepaid Card
150 Water Charges
150 Electricity
200 Internet at home
75 Television Channel Connection
120 VOIP Call Card to call home country
200 Car Insurance (2500/12)if you own your car
____________
12,878 Total

One Time Exps.
1,000 Deposit for Water Connection
1,000 Deposit for Ele. Connection
7,500 House Rent Deposit
2,000 Driving Classes Fees (Appx.)
250 One Time Mobile activation Charges
_____________________
11,750 Total

The rest of the expences will be changed like climate according to the tone of your life style except the basic figures outlined above.