i m a commerce stud. (without maths), ques. is - am i eligible to do mca after bca, nd can i give an private exam of maths seperatly:>

actually i knew that maths is required for mca but i m really interested in programming, and scored 78% in 12th, but the hurdle is , i ve heard that i can give an private exam of mathematics without studying in school, my home is in bhopal, please help me if u can .......