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Pipe A fills a tank in 16 minutes and pipe B in 24 minutes. Both start together, but B is shut after 6 minutes. How long does A take to finish the rest after B is shut?

Competition practicePipes & Cisterns
  • A12 min
  • B4 min
  • C6 min
  • D10 min

Step-by-Step Solution

In 6 min both fill . Remaining by A: min. (10 min is 16 − 6.)
Answer: C) 6 min

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