See if you want to be a part of the management industry then figures and quantitative aptitude is one the skill that you should know. So being weak in Mathematics makes your path harder in the career. So I would recommend you to strengthen your Mathematics skills and practice. This two things if done properly will add confidence in your personality as well as a bright future path ahead.

Most of the favorable paths after BMS are:

MBA

MCA

PGDM

If you want to do any of the three Mathematics will be a hurdle in your life. So try to prepare yourself in such a way that you can overcome this hurdle.

I hope this answer helps. All the very best for your future endeavors!