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.

After completing graduation, you can also do Master's degree in psychology and even research works also. One can excel in this subject if he/she has real eagerness about this field which is all about reading and understanding human nature and behavior. There are different sections of psychology as
I. Clinical psychology
ii. Counseling psychology
iii. Educational psychology
iv. Industrial psychology
v. Development psychology etc. You can choose any one of these specializations. Various social welfare organizations, rehabilitation centers, child/youth mental guidance centers, counseling centers need trained and skilled psychologists. So, you can opt for this bright career offering you number of prospects in future. Check the internet for good college and their requirements and you're good to go.
Good luck!