B.Com

The general eligibility criterion for an air hostess in a majority of airlines is as follows:
(a) 10+2 pass from a recognized board of education. Some airlines prefer graduates.
(b) Age of candidate should be between 18 to 25 years
(c) Min. height required is 157.5 cm and weight should be in proportion to height
(d) Good communication skills with mastery over spoken Hindi, English. Foreign language certification will be a good additional qualification.
In case you fit well in all these requirements then you can give this a try.

I would suggest you to choose a field in which you want to make a career. You can select the best companies and try for a job.

Yes, you can do that. Mathematics is not required.

Minimum 50% marks at bachelor stage is mandatory as per AICTE norm.

If you want to do CA, you should go with B.Com is much better. But if you want to go along with you BBA, you should have at least 60% marks in your degree to take admission in IPCC.

Hi,
You can pursue following courses:
Hotel Management
Computer courses from NIIT
ITI from NCVT
Computer Accounting from ICA

Hi,
There are many options after completing B.Com. If you want to go in the field of accounting and finance then go with CA/CS/ICWA. But, if you want to go with management and finance then you can go with MBA in finance.
But, if want to go with professional work in finance and accounts with global certification in less time then you should go with SAP FICO.