If it takes 50 workers 4 hours to dig a hole, how long should it take 30 workers to dig the same hole?

গণিত Time and Work 07 Oct, 2020

প্রশ্ন If it takes 50 workers 4 hours to dig a hole, how long should it take 30 workers to dig the same hole?

  • ক.
    5 hours 12 minutes
  • খ.
    6 hours 40 minutes
  • গ.
    2 hours 24 minutes
  • ঘ.
    6 hours 12 minutes

সঠিক উত্তর

6 hours 40 minutes

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