In a political party primary election,4356 deligates were able to vote for at least one candidates. 750 of them voted for candidates a only, 480 voted for candidates b only and 900 voted for candidates c only. If 210 voted for candidates a and b only, 51 voted for candidates a and c only, 133 voted for candidate b and c only and 405 voted for non of the candidates.
(*)How many voted for all the three candidates
(*)How many voted for at least 2 candidates
Answer:
(*): How many voted for all the three candidates: 210
(*): How many voted for at least 2 candidates: 993