G8B07:What is the frequency deviation for a 12.21 MHz reactance modulated oscillator in a 5 kHz deviation, 146.52 MHz FM phone transmitter?
Direct answer summary (2023-2027 NCVEC pool)
The official correct answer for G8B07 is 416.7 Hz.
The key fact is 416.7 Hz. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.