PPSC Past Paper Assistant Planning & Development 2019 Solved MCQs, Maths MCQs, PPSC Solved Past Papers MCQs, Time & Distance MCQsI spend 20 hours to clean my garden. How long will it take if 4 people (with the same efficiency) come to join me?A. 3 hours B. 4 hours C. 5 hours D. 6 hours Pakistan Steel Mills was established on?Which of the following is not an Island in the Mediterranean Sea?