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in Mathematics by (56.2k points)
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?

1 Answer

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Best answer

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 7C3 ways.

Thus, required number of ways of choosing the programme

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