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#30238 Bangla Language & Literature Time and Work Level 0

Rumi and Rony can finish a task working together in 12 days. If Rony alone can finish that in 20 days, how many days will Rumi need to finish the task working alone?

  1. A 20
  2. B 25
  3. C 30
  4. D 33
Answer: C - 30

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