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Pooja • 4.41K Points
Extraordinary Math

Q. A is 30% more efficient than B, and can alone do a work in 23 days. The number of days, in which A and B, working together can finish the job is ?

  • (A) 11 days
  • (B) 13 days
  • (C) 20 days
  • (D) 21 days
  • Correct Answer - Option(B)
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  • Filed under category Math

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