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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? - CBSE (Arts) Class 11 - Mathematics

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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?

APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 11 (2018 to Current)
Chapter 7: Permutations and Combinations
Q: 9 | Page no. 153

Video TutorialsVIEW ALL [1]

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.
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