Has an Olympic Basketball (Men) game ever ended 78-48?
Exactly once. On September 2, 1960, France beat Spain 78-48, and no Olympic Basketball (Men) game before or since has ended that way. When it happened it was a scorigami, the first 78-48 in league history.
That makes 78-48 the 126th most common final score out of 698 that have ever occurred in Olympic Basketball (Men). One point away, 79-48 has happened never and 78-49 has happened 1 times.