PPSC Past Paper Excise & Taxation Inspector Additional Directorate Excise, 2018 Solved MCQs, Maths MCQs, Number Series, PPSC Solved Past Papers MCQsComplete the series 1, 3, 7, 15, 31, 63 _____?A. 124 B. 127 C. 126 D. 129 Find the value of x, 3x-15-6=0?To issue a thunderous verbal attack?