Question
Download Solution PDFA pipe can fill a tank in 6 hours. Another pipe can empty the filled tank in 30 hours. If both the pipes are opened simultaneously, then the time (in hours) in which the tank will be two-third filled, is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Pipe A can fill a tank in 6 hours.
Pipe B can empty it in 30 hours.
Concept Used:
Total work = Efficiency × Time
Calculation:
Let, 2/3rd of the tank be filled in x hours
According to the question,
⇒ x/6 - x/30 = 2/3
⇒ (5x - x)/30 = 2/3
⇒ 2x/15 = 2/3
⇒ x = 5
∴ The correct answer is Option (2).
Last updated on Jun 2, 2025
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