PPSC Personal Staff Officer (BS-17) S&GAD 2020, General Knowledge MCQs, PPSC Solved Past Papers MCQsPakistan joined SCO as full member on_____? Posted on April 8, 2021 by Rana TahirA. 09 June 2015 B. 09 June 2016 C. 09 June 2017 D. None of theseShare 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)