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A cistern has two taps which fill it in 12 minutes and 15 minutes respectively. There is also a waste pipe in the cistern. When all the pipes are opened, the empty cistern is full in 20 minutes. How long will the waste pipe take to empty a full cistern?
  • a)
    12 minutes
  • b)
    10 minutes 
  • c)
    8 minutes
  • d)
    16 minutes 
  • e)
    20 minutes
Correct answer is option 'B'. Can you explain this answer?
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A cistern has two taps which fill it in 12 minutes and 15 minutes respectively. There is also a waste pipe in the cistern. When all the pipes are opened, the empty cistern is full in 20 minutes. How long will the waste pipe take to empty a full cistern?a)12 minutesb)10 minutesc)8 minutesd)16 minutese)20 minutesCorrect answer is option 'B'. Can you explain this answer?
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A cistern has two taps which fill it in 12 minutes and 15 minutes respectively. There is also a waste pipe in the cistern. When all the pipes are opened, the empty cistern is full in 20 minutes. How long will the waste pipe take to empty a full cistern?a)12 minutesb)10 minutesc)8 minutesd)16 minutese)20 minutesCorrect answer is option 'B'. Can you explain this answer? for Banking Exams 2025 is part of Banking Exams preparation. The Question and answers have been prepared according to the Banking Exams exam syllabus. Information about A cistern has two taps which fill it in 12 minutes and 15 minutes respectively. There is also a waste pipe in the cistern. When all the pipes are opened, the empty cistern is full in 20 minutes. How long will the waste pipe take to empty a full cistern?a)12 minutesb)10 minutesc)8 minutesd)16 minutese)20 minutesCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Banking Exams 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A cistern has two taps which fill it in 12 minutes and 15 minutes respectively. There is also a waste pipe in the cistern. When all the pipes are opened, the empty cistern is full in 20 minutes. How long will the waste pipe take to empty a full cistern?a)12 minutesb)10 minutesc)8 minutesd)16 minutese)20 minutesCorrect answer is option 'B'. Can you explain this answer?.
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