In an election of municipality of a municipality X and Y were two candidates for the post of the mayor. There were 40000 people in the voter list. Voters were supposed to cast the vote for a single candidate. 15000 people cast vote for X 23650 people cast for Y and 350 people cast vote even for both the candidates.
i) illustrate the above information in a Venn diagram
ii) how many people did not cast vote?
iii) find the number of valid votes.