# Passing Marks

**Discrete Mathematics**Level pending

In an examination, there are four sections A, B, C and D , 45 marks of each section. One can score a maximum of 45 marks in each section. Question paper is of 180 as total marks. Each question carries 1 mark and there is no negative marking. One need to score a minimum of 90 marks to pass the examination. There is no individual cut off in each section.

By how many possible ways, can the student pass the examination?