Has a FIBA World Cup game ever ended 121-92?
Exactly once. On August 17, 1982, Panama beat China 121-92, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 121-92 in league history.
That makes 121-92 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 122-92 has happened 1 times and 121-93 has happened never.