Arithmetic Reasoning is one of the important parts of MH BHMCET. Arithmetic Reasoning generally covers topics like HCF, LCM, Partnership, Time and Work, Problems on Numbers, Time and Distance, Pipes and Cistern, Percentage, Probability, Mixture and Alligation, Algebra, Problems of ages, Sequences and Patterns, Races and Games, Profit and Loss etc. Various exercise sets are available over the Internet. So you can practice there. The more you'll practice this reasoning, aptitude exercises, the more you'll understand the topic. So solving various reasoning questions from websites like Freshersworld and mobile applications will help you a lot. You can watch videos on YouTube to make it clearer.