In how many ways can a student choose a programme of 5 courses if 9 courses are available and 2 specific courses are compulsory for every student?

Explanation

There are 9 courses available out of which, 2 specific courses are compulsory for every student.


Therefore, every student has to choose 3 courses out of the remaining 7 courses.


This can be chosen in
`7_(C_3)`
​
ways.
...