PPSC Past Paper Assistant Director Punjab Employees Social Security Institution (PESSI) 2019 Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQsRoof of the world is the title of top world plain? Posted on May 3, 2021 by Rana TahirA. Top of Himalaya B. Top of Karakorum C. Top of K2 D. PamirShare 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)