PPSC Past Paper Social Security Officer in PESSI – Labour and Human Resource Department 2018 Solved MCQs, Pak Study MCQs, PPSC Solved Past Papers MCQsThe census of 2017 held in Pakistan after how many years? Posted on June 11, 2021 by Rana TahirA. 18 years B. 19 years C. 20 years D. 21 yearsShare 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)