Class 12-Commerce

There are many options after 12th, some of them are:
BBA
BCA
CA
CS
Banking
Insurance
Finance Operations
Human Resource Management
Finance Management
Marketing Management
International Business
Technology Management
Stockbrokers
Mutual Funds
Corporate Communication
Teaching
Infrastructure Management
Financial Planning
Financial Economics
Portfolio Management
Hospital Management. And if it's help you like it
And best of luck.

Yes, you can do computer Science course even if you have not studied Maths in your earlier studies but studying Maths will help you in Computer Science.

Yes, you can go for company secretary course without Maths. That's completely fine.

It is not compulsory to have Maths to do BCA after 12th.

You have scored well in 12th with commerce. So, you can go for BCA. There's no restriction.

You will get admission in various paramedical courses.

B.Sc. Economics is best option where you can do much better as B.A. You'll learn practical problems more than theory with Maths. But B.A. Economics with Maths stats and eco best combo for B.A. Also much better but package are different. Research both and find your area of interest where you want to go theory or not.

Class 12th marks do have a little role in clearing the cutoff marks of certain colleges. But if you clear the entrance exams of any college, it will not impact that much in the admission process. But giving you a clear answer it does have certain consequences.

No, it is not at all compulsory for any field even you can do self study and that will work.

Hi sunny
Efficient ways that helped me ace my mathematics exams were consistency and rigorous practice. Also, use different study methods to maximize your efficiency like the Pomodoro technique. Hope it helps!