BBA

Yes, it is a professional course, if you are interested in management, then you must go for this.

Go for separate, it's better and advisable.

Though you are eligible for the course it is advisable to check with the authorities if in case there are any age limit criteria at the institute.

There is no such fixed cutoff. I suggest you to score as high as possible.

Marketing is the best option nowadays. If you really do well in that, you can perform better and expect a good future in the same field.

If you are interested in Maths, then go for B.Sc IT, otherwise go for BBA, because in sports you have to give your maximum time there. So, simultaneously you have to focus on your studies to get minimum qualified marks.

It is a really good course to study right now in India. It offers numerous opportunities for the students in academic growth and as a career. Most famous colleges for this course is the IITTM.

Actually both are really good. Both courses holds good at their respective places. It is the matter of choice of your interest. If you want to build career as an accountant or auditor and also if you are good at accounts then choose B.Com else if you are more interested in learning Management princi

The second one is the most obvious answer. But this would generally depend on what the specialisation is.

Give entrance exam.