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Two pipes A and B can fill a tank in 15 minutes and 20 minutes respectively. Both the pipes are opened together but after 4 minutes, pipe A is turned off. What is the total time required to fill the tank?
  • a)
     
    10 min 20 sec
  • b)
     
    11 min 45 sec
  • c)
     
    12 min 30 sec
  • d)
     
    14 min 40 sec
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Two pipes A and B can fill a tank in15minutes and20minutes respectivel...
 
Part A filled in 4 minutes

=10min 40sec
∴ The tank will be full in
=4min +10min +40sec
14min 40sec
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Two pipes A and B can fill a tank in15minutes and20minutes respectively. Both the pipes are opened together but after4minutes, pipe A is turned off. What is the total time required to fill the tank?a)10min20secb)11min45secc)12min30secd)14min40secCorrect answer is option 'D'. Can you explain this answer?
Question Description
Two pipes A and B can fill a tank in15minutes and20minutes respectively. Both the pipes are opened together but after4minutes, pipe A is turned off. What is the total time required to fill the tank?a)10min20secb)11min45secc)12min30secd)14min40secCorrect answer is option 'D'. Can you explain this answer? for UGC NET 2024 is part of UGC NET preparation. The Question and answers have been prepared according to the UGC NET exam syllabus. Information about Two pipes A and B can fill a tank in15minutes and20minutes respectively. Both the pipes are opened together but after4minutes, pipe A is turned off. What is the total time required to fill the tank?a)10min20secb)11min45secc)12min30secd)14min40secCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for UGC NET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two pipes A and B can fill a tank in15minutes and20minutes respectively. Both the pipes are opened together but after4minutes, pipe A is turned off. What is the total time required to fill the tank?a)10min20secb)11min45secc)12min30secd)14min40secCorrect answer is option 'D'. Can you explain this answer?.
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