PPSC Personal Staff Officer (BS-17) S&GAD 2020, Everyday Science MCQs, PPSC Solved Past Papers MCQsNone of this hanky panky: please take straight. choose the best meaning of phrase?A. Indifference B. Jugglery C. Diversification D. Obsession According to Simon Winchester’s book, how many Technical plates are there in earth?“To meet one’s Waterloo” means?
