Maths Spl

No, it’s a very low score in JEE Mains so you may not be able to get any college.

The questions are asked from Algebra, Logarithms, Matrices, Trigonometry, Theory of Calculus, Application of Calculus, Probability, Permutation and combination, Statistics, Coordinate Geometry and 3-Dimensional Co-ordinate geometry.

Yes, maths is not that important for BBA as you just require the minimum basics for it which learnt in your matric level which is 10th grade
It basically needs matrics, statistics and all that basic stuff to get you a pass or even a great results if your basics are clear.

As per your marks, I suggest you B.Sc.

I suggest you to choose B.Tech over B.Sc because B.Tech is more professional and job oriented course than B.Sc.

You can do M.Sc in any of the private colleges recognised by certain universities without writing entrance test.

Yes, except for arts subjects like English, Hindi, Maths is compulsory. Yes, for admission in B.Com or BBA or any Science stream. However, in mass communication and B.M.M, you don't need maths.

For UGC NET, you have to apply in the same subject you have done your Post Graduation. In your case it will be Maths.