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Q: A work which could be finished in 11 days was finished 4 days earlier after 4 more men joined. The number of men employed was ?

  • 1
    7
  • 2
    8
  • 3
    9
  • 4
    10
  • उत्तर देखें
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Answer : 1. "7"
Explanation :

Answer: A) 7 Explanation: As the work is sameM1D1 = M2D2 Here Let the number of men employed was M=> 11M = 7(M+4)=> 11M - 7M = 28=> M = 7

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