Fat people are anaerobic 1 hour every day and aerobic for 45 minutes. How much can they lose a month?
If you exercise seriously instead of going to the gym to take photos and play with your mobile phone, and control your diet, I personally will measure your monthly 10 kg, but this is actually a little too fast and bad for your health. I think it's best to lose less than 8 kg every month. This is a long process. For the sake of your health, you must not be impatient and blindly eager for quick success.