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Q:

If p men working p hours per day for p days produce p units of work, then the units of work produced by n men working n hours a day for n days is 

  • 1
    $${p^2}\over {n^2} $$
  • 2
    $${p^3}\over {n^2} $$
  • 3
    $${n^2}\over {p^2} $$
  • 4
    $${n^3}\over {p^2} $$
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Answer : 4. "$${n^3}\over {p^2} $$"

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