1.

There are 5 teachersand 20 students . Out of thema committee ofteachers and 3 studentsis to be formed. Find the number of ways in which this can be done.Further find in how manyof thesecommittees (a) a particularteacheris included ? (ii)a particularstudent is excluded ?

Answer»


ANSWER :(i)11400
(II) 9690


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