PPSC Past Paper Junior Clerk (Labour and Human Resource Department)2019 Solved MCQs, General Knowledge MCQs, PPSC Solved Past Papers MCQsSecond summit of Organization of Islamic Cooperation was held in Lahore in?A. 1972 B. 1974 C. 1975 D. 1973 Quaid-e-Azam mausoleum is a beautiful landmark in?Who among the following was second governor general of Pakistan?