Two pipes A and B can separately fill a tank in 2 minutes and 15 minutes respectively. Both the pipes are opened together but 4 minutes after the start the pipe A is turned off. How much time will it take to fill the tank? 0 A. 9 min B. 10 min C. 11 min D. 12 min Read More Details about this Mcq Two pipes A and B can fill a cistern in 20 and 30 minutes respectively, and a third pipe C can empty it in 40 minutes. How long will it take to fill the cistern if all the three are opened at the same time? 0 A. 19 1/7 min B. 15 1/7 min C. 17 1/7 min D. 7 1/7 min Read More Details about this Mcq « Previous 1 … 5 6 Go to General Knowledge Current Affairs Pakistan Current Affairs World Current Affairs Pak Study Mcqs Islamic Studies Mcqs Everyday Science Mcqs MORE English Mcqs Maths Mcqs Computer Mcqs Pedagogy Mcqs Physics Mcqs Chemistry Mcqs Biology Mcqs URDU Mcqs Management Finance Mcqs HRM Mcqs Marketing Mcqs Accounting Mcqs Auditing Mcqs ENGINEERING MCQS Electrical Engineering Civil Engineering Mcqs Mechanical Engineering Chemical Engineering Software Engineering Medical Mcqs OTHER SUBJECTS Psychology Mcqs Sociology Mcqs Political Science Mcqs Agriculture Mcqs Economics Mcqs Statistics Mcqs English Literature Mcqs Judiciary And Law Mcqs Download App
Two pipes A and B can fill a cistern in 20 and 30 minutes respectively, and a third pipe C can empty it in 40 minutes. How long will it take to fill the cistern if all the three are opened at the same time? 0 A. 19 1/7 min B. 15 1/7 min C. 17 1/7 min D. 7 1/7 min Read More Details about this Mcq « Previous 1 … 5 6 Go to