Mumbai

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Yes dear, you will get the admission there. The need is that kindly see their eligibility criteria. If you are fulfilling their criteria then no need to worry.

Visit the below link provided for getting all the details:
https://www.shiksha.com/it-software/colleges/bca-colleges-Mumbai-all.

Yes, you are eligible to do M.Sc in maths.

Hello!
Those academic scores should get you shortlisted; just try scoring well in NMAT and/or other required exams and then perform well in the interviews.
Good luck!

Check out the MHT-CET predictor below:
https://www.shiksha.com/b-tech/resources/mhcet-college-predictor

Yes, you're eligible for this university & your percentage is good for this university. Good luck!

Yes, they provide 3 years full time course of B.Com in finance.

Hello! Only if both your interview rounds went really well, you can expect getting selected in the PGDM core program of Welingkar Mumbai/Bangalore. Good luck with the result!

Hello! With that CET score, you can apply to the PGDM programs of various colleges like SIES, Chetana, IES, MET, Vivekanand, etc. Good luck with the interviews!