Asked if you will cast your vote for a party the following feed back is obtained

ADULT MALE                     YES=10        NO=20              DONT KNOW=5

ADULT FEMALE                 YES=20        NO=15              DONT KNOW=5

YOUTHOVER18YEAR         YES=10       NO=5                DONT KNOW=10

if     A= adult male ,  C=  common set of youth  and women   Y=set of positive opinion

      N = set of negative opinion

then     n(A1)=?

            n(AandC)=?

             n(Y U N)1 =?

             n[ A and (Y and N )1]=?