What minimum marks is required to pass an examination? Statement I: Pranabh secured 51% marks in the examination and was declared failed by 20 marks. Narendra secured 54% marks in the examination and got 23 marks more than the minimum pass marks. Statement II: Pranabh secured 725 marks in 6 subjects. Statement III: A students will be declared passed if he secures 28.5% of the total marks.