Logical Deduction - General Questions

If the alarm rings, Sana wakes up. If Sana wakes up, she goes jogging. The alarm rang. Which follows?

If Riya studies, she passes. If she passes, she gets a gift. Riya studied. What follows?

If the alarm rings, everyone leaves the building. Everyone left the building. Which is correct?

Either Sam is in Delhi or he is in Mumbai. He is not in Delhi. Therefore,

All software engineers in the company know Git. Divya does not know Git. Which conclusion follows?