Has a FIBA World Cup game ever ended 105-87?
Exactly once. On November 27, 2017, Serbia beat Georgia 105-87, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 105-87 in league history.
That makes 105-87 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 106-87 has happened never and 105-88 has happened never.