B.Com

It's depend on your selected college in NZ. If there is no criteria about compartment then you will not face any problem.
Contact to college for better clarification .
Best Of Luck :)

You can do CA along with b.com

You can do preparation of banks if you are interested in banking sector,you can also pursue MBA thru CAT,MAT,XAT CMAT etc.

Your admission chances don't depend only on your academics. Yes, scoring high in 12th class will definitely help you but you will have to prepare for SAT and score really well in it as well.

Well experienced faculty.

F. Y. B. Com (B & I) - Sem. 1
Environment and Management of Financial Services
Principle of Management (in Banking & Insurance)
Effective Communication - I
Micro Economics
Quantitative Methods - I
Introduction to Computer Systems
F. Y. B. Com (B & I) - Sem. 2
Principles and Practices of Banking and Insurance
Financial Accounting
Effective Communication - I
Macro Economics
Quantitative Methods - II
Business Law

You need minimum 50% at the graduation level to seek admission in MBA