I didn't go to an Ivy League university, or even a university in the USA, but I still understood what a problem set is. I've been out of university too long to

I didn't go to an Ivy League university, or even a university in the USA, but I still understood what a problem set is. I've been out of university too long to know what they called homework (plus I never did it, hence my B- average), but problem set sounds about right.