Maths MCQs, JUNIOR CLERK (BPS 11) PUNJAB PUBLIC SERVICE COMMISSION (S&GAD) 2016, PPSC Solved Past Papers MCQsComplete the series: 1, 3, 7, 15, 31, 63______A. 123 B. 125 C. 127 D. 129 Synonym of Benign isWhich is the largest Continent population wise?