PPSC Personal Assistant & Assistant (BPS-16) S & GAD-2020, Maths MCQs, Number Series, PPSC Solved Past Papers MCQsFind the average of the 277, 278, 279, 280, 281, 282, 283? Posted on April 5, 2021 by Rana TahirA. 280 B. 281 C. 283 D. 284Share 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)