PPSC Past Paper Assistant Director (Labour and Human Resource ) 2019 Solved MCQs, English MCQs, Idioms MCQs, PPSC Solved Past Papers MCQsChoose the correct meaning of the idiom “A Gordian Knot”?A. A piece of rope B. An easy task C. Difficult or complex problem D. None of these Who co-founded Hotmail in 1996 and then sold it to Microsoft?A webpage has unique address called?