PPSC Past Paper ESE General Labour & Human Resource Dept-Afternoon2019 Solved MCQs, General Knowledge MCQs, PPSC Solved Past Papers MCQsNelson Mandela was released from the prison in?A. 1988 B. 1989 C. 1990 D. 1991 Which of the following is not a Chemical Reaction?The host member of the Warsaw Pact was?