Problem In an organization there are CE’s, EE’s and ME’s. The sum of their ages is 2160; the average age is 36; the average age of CE’s and EE’s is 39; the ave… Read More
Only Authenticated Users are allowed to take quizzes on this site. Unverified and Anonymous users cannot take any of our Quizzes Read More
Situation A tank is supplied by two pipes A and B and emptied by a third pipe C. If the tank is initially empty and all pipes are opened, the tank can be filled in 20 hours. If the tank is… Read More
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