PPSC Past Paper ESE General Labour & Human Resource Dept-Afternoon2019 Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQsThe inner core of an optical fiber is _________ in composition?A. Glass or Plastic B. Copper C. Bimetallic D. Liquid Which of the following politicians has served as the Deputy Prime Minister of Pakistan?Which article of the 1973 constitution relates to National Language of Pakistan?
