The most common questions asked for BBA entrance examinations are about Quantitative Ability, Enhlish, General Awareness, Reasoning and Analytical abilility, Numerical ability. As the eliguibility criteria for this exam is 10+ 2 pass, the exam will not be tough. Its enough if you go through the previous question papers for an idea of the exam paper. Go through NCERT Mathematics from class VIII until X. That will take care of your Numerical ability. For English and General Awareness, keep reading English NewsPaper and practise new English words daily. And for analytical ability, going through the previous exam papers and practising them should give you a fair idea of what kind of questions will be asked. When you know the formulae, no matter what the question might be, you will know how to solve it.