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CBSE Class 11-science Answered

In how many ways can a student choose a programme of 5 courses if 9 courses are available and 2 courses are compulsory for every student.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer

2 courses are compulsory, which leaves the choice of any 3 from the remaining 7 which can be done in 7C3 ways.

Answered by | 04 Jun, 2014, 03:23: PM
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