Maths Spl

No, it is not necessary. Though, it will add an advantage to those students who have opted for commerce with Maths.

Sorry, but you cannot do BCA if your optional subject is not mathematics.

There are many career options in defense field after graduation in Maths, economics and statistics like
IMA - Indian military academy, Dehradun.
Any graduate candidate can apply for IMA through CDSE (combined defense services examination). UPSC conducts CDSE twice a year. Through CDSE, you get a chance to apply for all 3 forces. In application form, you have to give preference to IMA, INA, IAFA, and OTA. IMA trains only male candidates. For IMA, a candidate should have studied Maths in his graduation.

Yes, you are eligible to pursue BBA.

No, maths is not compulsory for B.Com in Xavier's University.

No, for doing B.Com in Xavier's there is no need of mathematics. You only need to have done your 12th with minimum 60%.

Please refer to the link provided below for details regarding admission for MCA from University Of Mumbai. You can download college brochure which contains details regarding admission for this particular course. Alternatively, visit college website for further details. .https://www.shiksha.com/it-software/course/master-of-computer-application-university-of-mumbai-fort-13946(Website:-http://www.mu.ac.in)

AUCET Question & Sample Papers 2018:
Download previous year question papers and sample papers of AUCET 2018 for your exam practice at the link provided below. You can download all last years' AUCET exam question papers and sample papers free of cost. You can also download preparation guides for AUCET designed by Shiksha experts. https://www.shiksha.com/university/andhra-university-visakhapatnam/exams/aucet/question-papers.

NO, this is not compulsory or compulsory because the entrance exam is based on Science so it's good to have maths. Good luck!