Hello,
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First of all BBA is all about business and finance related course. Arts student may face it difficult, due to lack of knowledge about business and accounting method's. If you are a commerce student in +2 then need not worry about any difficulty. You can easily proceed with the course. Now, if you aren't a commerce student, then you will hesitate going with new subjects and may find difficulty in accounts that's it. But once you go with 1 year successful everything turns into Normal. But see that you are choosing a good college for the course which don't trouble in placements