Has an Olympic Basketball (Men) game ever ended 98-84?
Exactly once. On September 17, 1988, China beat Egypt 98-84, and no Olympic Basketball (Men) game before or since has ended that way. When it happened it was a scorigami, the first 98-84 in league history.
That makes 98-84 the 126th most common final score out of 698 that have ever occurred in Olympic Basketball (Men). One point away, 99-84 has happened never and 98-85 has happened 1 times.