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Q:

A can built a wall in 8 days while B can destroy the same wall in 3 days. A start the work and worked for 6 days, during the last 2 days of which B also joins him. In how many days A can finish the remaining work alone?

  • 1
    5 days
  • 2
    8 days
  • 3
    6 days
  • 4
    None of these
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Answer : 4. "None of these "

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