Question
Download Solution PDFA water tank can be filled in 29 minutes by using 23 pipes of the same capacity. In how many minutes (rounded off to two decimal places) will the water tank be filled if we use 47 pipes of the same capacity as above?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Time to fill the tank with 23 pipes = 29 minutes
Number of pipes = 23
Number of pipes used = 47
Formula used:
Time is inversely proportional to the number of pipes:
Time1 × Pipes1 = Time2 × Pipes2
Calculation:
29 × 23 = Time2 × 47
⇒ Time2 = (29 × 23) / 47
⇒ Time2 = 667 / 47
⇒ Time2 = 14.19 minutes
∴ The correct answer is option (2).
Last updated on Jul 17, 2025
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