PPSC Past Paper Labour Officer Labour and Human Resource Department 2018 Solved MCQs, General Knowledge MCQs, PPSC Solved Past Papers MCQsThe first Space shuttle launched by united states on April 12 1981 was named?A. Discovery B. Endeavor C. Columbia D. Atlantis In covering a distance of 30 Km Abdul Takes 2 Hours more than Basit. If Abdul Doubles His speed, then he would take 1 hour less than Basit. What is the speed of Abdul?Blood Leaves the heart through arteries The Main artery leaving the left ventricle is called?