Asalam o alikum

I seek to appear for CSS examination 2020 however i was having a little bit of confusion regarding which subjects to select
so far I have decided on the following:
Psychology (100)
Criminology (100)
Gender studies (100)
European history (100)
International relations (200)

I'm confident about psychology and criminology but I'm still wondering if other three subjects are okay? As all the subjects i have selected are theoretical, Do you guys think its possible to get marks good enough to fall into merit with this subject combination?