Has a FIBA World Cup game ever ended 61-47?
Exactly once. On June 29, 2018, Morocco beat Angola 61-47, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 61-47 in league history.
That makes 61-47 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 62-47 has happened never and 61-48 has happened never.