PPSC Past Paper Assistant (Population Welfare Department-2019)Solved MCQs, Maths MCQs, Number Series, PPSC Solved Past Papers MCQsComplete 10,20,40,80,_____? Posted on April 19, 2021 by Rana TahirA. 120 B. 140 C. 160 D. 180Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)