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Pooja and Rani together pack a large online order in 18 days. Pooja alone would take 45 days. How many days would Rani take alone?

Competition practiceTime & Work / Pipes
  • A30
  • B27
  • C63
  • D36

Step-by-Step Solution

Rani's rate = 1/18 − 1/45 = 5/90 − 2/90 = 3/90 = 1/30, so Rani alone takes 30 days.
Answer: A) 30

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