How should I understand that in which science I will be a successful person?

[Thoughful]

How should I understand that in which science I will be a successful person?
My abilities are in mathematics but In my country , Relevant jobs are not well-paid .
Isn't there any test that i realize my abilities and also choose a good science for learn?

Help me -----Help me

 

[BloodyFrozen]

Just take many science/math based courses and see which one you are interested in and which ones you particularly excel at.