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A pipe of diameter d can drain a certain water tank in 40 minutes. The time taken by a pipe of diameter 2d for doing the same job is
  • a)
    5 minutes
  • b)
    10 minutes
  • c)
    20 minutes
  • d)
    80 minutes
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A pipe of diameter d can drain a certain water tank in 40 minutes. The...
Ratio of volumes 
∴ A pipe of radius d/2 can drain a water tank in 40 minutes
⇒ A pipe of radius d can drain the same water tank in 10 minutes
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A pipe of diameter d can drain a certain water tank in 40 minutes. The time taken by a pipe of diameter 2d for doing the same job isa)5 minutesb)10 minutesc)20 minutesd)80 minutesCorrect answer is option 'B'. Can you explain this answer?
Question Description
A pipe of diameter d can drain a certain water tank in 40 minutes. The time taken by a pipe of diameter 2d for doing the same job isa)5 minutesb)10 minutesc)20 minutesd)80 minutesCorrect answer is option 'B'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about A pipe of diameter d can drain a certain water tank in 40 minutes. The time taken by a pipe of diameter 2d for doing the same job isa)5 minutesb)10 minutesc)20 minutesd)80 minutesCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A pipe of diameter d can drain a certain water tank in 40 minutes. The time taken by a pipe of diameter 2d for doing the same job isa)5 minutesb)10 minutesc)20 minutesd)80 minutesCorrect answer is option 'B'. Can you explain this answer?.
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