PPSC Past Paper 2020 For the Post of Labour Officer, Maths MCQs, PPSC Solved Past Papers MCQsTwo trains 140 m and 160 m long run at the speed of 60 km/hr and 40 km/hr respectively in opposite directions on parallel tracks. The time (in seconds) which they take to cross each other, is? Posted on April 9, 2021April 16, 2021 by Rana TahirA. 9 s B. 6 s C. 10 s D. 10.8 s Continue reading →Share 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)
