Question

Question #7023b

Answer 1

(1) 42 ways
(2) 45 ways

Explanation:

(1)The chair person can be selectd in 7 ways
Once you have selected the chair person, you can select the assistant in 6 ways
So there are `6*7 = 42` ways

(2)The number of ways is `(10*9)/(1*2)=45` ways