>>42356291
>Pinkie
Has some idiot savant moments, but overall not the brightest. 115IQ
>Fluttershy
Struggles with second order consequences. 125IQ
>Rarity
Has some good sense, but definitely geared more towards social stuff. I'd say she's the most average. 130IQ
>Applejack
Well rounded and generally capable. 140IQ
>Rainbow Dash
When there isn't something to make her headstrong and stubborn tendencies take over she can be quite smart. 150IQ
>Twilight
I don't even need to explain this one. 160IQ