SOLUTION: A tutorial class contains 7 male students and 5 female students. Find the number n of ways that the class can elect: a) a class representative. b) two class representatives, one

Question 1172424: A tutorial class contains 7 male students and 5 female students. Find the number n of ways that the class can elect:
a) a class representative.
b) two class representatives, one male and one female.
c) a class representative and a deputy class representative.
Answer by ikleyn(52779) (Show Source): You can put this solution on YOUR website!
.

All these questions are quite elementary.

    (a)  7+5   =  12   ways.


    (b)  7*5   =  35   ways.


    (c)  12*11 = 132   ways.

These answers are SELF-EVIDENT and do not require explanations.

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