No one near the platform knows the revised time.✓Richtige Antwort
No one near the platform know the revised time.
No one near the platform have read the notice.
No one near the platform are waiting indoors.
Erklärung
No one is grammatically singular, so knows correctly agrees with it in the simple present. Know, have and are all use agreement patterns associated with plural subjects rather than this singular indefinite pronoun.