In the Goldenrod Radio Tower you can take a quiz to earn a radion expn. card for ur PokeGear. These are the real anwsers.

1.Can the town map be displayed on PokeGear = Yes
2.Can Nidorina be female only = Yes
3.Does Kurt the PokeBallCraftsman use Aprikorn=No
4.Magikarp won't learn any TM move= Yes
5.Prof Oaks Pokemon Talk is a very popular program. Is Marie the co-host of the show= No

Those are the correct anwsers that i used and will work for your Pokemon Gold/Silver GBC game.