Answer:
i) 35C17
ii)31116960
Explanation:
i)total number of eligible are 35
now ways of chosing 17 from 35 is 35C17,
ii)Total ways of selecting 2 seniors from 7 is 7C2
and Total ways of selecting 6 juniors from 8 is 8C6
ways of selecting 4 sopho from 10 is 10C4
ways of selecting 5 freshman from 10 is 10C5
now, total way of selection come to be
10C5×10C4×8C6×7C2
i.e,252×210×28×21
i.e, 31116960
✌️:)