ummm is it... 150 tell the truth... and 50 dont...
Students tellin tha truth will answer yes to one subject, but not telling the truth will answer yes to two subjects, but not to their real favorite
cause there 250 answers 104 + 86 + 60, there are 50 more yes answers, from 50 students who didnt tell tha truth...
that right?

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.::BattleZ::.