Yes students with seventy eight percent marks can get admission in BSc Mathematics in many colleges Admission mainly depends on the cut off set by the college or university For government colleges the cut off may be high in top institutions but private and aided colleges usually accept students with this percentage Students are also selected based on merit and availability of seats Some colleges may conduct entrance exams while others offer direct admission Based on previous trends seventy eight percent is considered a decent score for BSc Mathematics in most state and private colleges You should apply early and check the eligibility criteria of the college you are interested in