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Q: Raghu can complete a work in 12days working 9 hours a day. Arun can complete the same work in 8 days working 11 hours a day. If both Raghu and Arun work together, working 12 hours a day, in how many days can they complete the work ?

  • 1
    3449 days
  • 2
    12449 days
  • 3
    4349 days
  • 4
    41249 days
  • Show Answer
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Answer : 3. "4349 days"
Explanation :

Answer: C) Option C Explanation: Raghu can complete the work in (12 x 9)hrs = 108 hrs.    Arun can complete the work in (8 x 11)hrs = 88 hrs.   Raghu's 1 hrs work = 1/108 and Arun's 1 hrs work = 1/88   (Raghu + Arun)'s 1 hrs work = 1108+188=492376  So, both Raghu and Arun will finish the work in 237649 hrs Number of days of 12 hours each=237649×112 = 19849=4349 days

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