PPSC Assistant (BS-16) Labour And Human Resource – 2020, Everyday Science MCQs, PPSC Solved Past Papers MCQsThe most efficient engine is? Posted on April 1, 2021 by Rana TahirA. Petrol B. Electric C. Diesel D. StreamShare 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)
