A cow is tethered in the middle of a field with a 14 feet long rope. If the cow grazes 100 sq.ft. per day, then approximately what time will be taken by the cow to graze the whole field?

• Area of the field grazed = [22/7*14*14]sq.ft. = 616 sq.ft.
  Number of days taken to graze the field = 616/100 days
  => 6 days(approx.)
  
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