250 members of a certain society have voted to elect a new chairman.each member may vote for either one or two vote.candidate elected is one who pulls most votes.three candidates xyz stood for election and when the votes were counted it was found.
-59 voted for y and ,37voted for z only.
-12 voted for x and y ,14 voted for x and z.
-147 voted foe either x and y or both x and y but not for z.
-102 voted for y or z or both but not for x.
1.How many voters did not vote.
2.How many voters vote for x only.
3.Who won the election