PPSC Past Paper ESE General Labour & Human Resource Dept-Afternoon2019 Solved MCQs, General Knowledge MCQs, PPSC Solved Past Papers MCQsHow many countries are member of Common Wealth?A. 52 B. 53 C. 54 D. 55 Where was the headquarter of the League of Nation situated?In India Taj Mahal was built by Mughal Emperor?