Accounting & Commerce

There is no chance that you can write examination of class 10th without mathematics as mathematics is compulsory subject in class 10th. Yes, you can opt commerce only. Some part of economics also compulsory in class 10th. You have option to select your desired subjects. So, you can have commerce art or science as option of studies. For BBA qualification is class 12th pass in any branch commerce science or art. Yes, you can study BBA.
But, these subjects are core subjects for BBA, you have to study accounts and management subjects in entire syllabus. Mathematics is compulsory in first semester of BBA second and third semester, you have to study statistics, statistics is part of mathematics. Yes, your IQ will increase when you will be students of BBA. You have good will power so sure you will clear all these subjects without any problem.

If you are currently pursuing CMA (India) course, then I would advise you to complete it to avail following perks. The Institute of Cost Accountants of India (ICAI) has signed MoU with The Association of Chartered Certified Accountants (ACCA) of the UK. According to this MoU, If you are a CMA Graduate (Final passed) then you are -
Exempted from 7 Papers of Fundamental Level ( Papers F1, F2, F3, F4, F6, F7, F9)
Appear and Qualify in 2 papers at the Fundamental Level ( F5 & F8)
After completion of Fundamental Level, appear and Qualify in 5 (five) papers at the Professional Level (P1 to P3 - Essential/ Compulsory P4 to P7 - any two papers - which are Optional). If you are a ACMA (Associate member)/FCMA (Fellow member) then you are -
Exempted from All 9 Papers of Fundamental Level ( F1 to F9)
Appear and Qualify in 5 (five) Papers at the Professional Level (P1 to P3 - Essential/ Compulsory P4 to P7 - any two papers - which are Optional).