Grapecity Placement Question Paper_26
Grapecity Placement Question Paper_26. Online Mock Test Reasoning and Aptitude, GK etc- Free Current Affairs 2012-13 MCQ Question Answers Pipe A can fill in 20 minutes and Pipe B in 30 mins and Pipe C can empty the same in 40 mins.If all of them work together, find the time taken to fill the tank …