Question
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?
Solution
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 `""^7C_3` ways.
Thus, required number of ways of choosing the programme
Is there an error in this question or solution?
Solution 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? Concept: Concept of Combinations.