Has a FIBA World Cup game ever ended 96-48?
Exactly once. On February 24, 2019, Japan beat Qatar 96-48, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 96-48 in league history.
That makes 96-48 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 97-48 has happened 1 times and 96-49 has happened never.