Multiple choice general knowledge math & puzzles

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 ?

  1. 2 days

  2. 6 days

  3. 18 days

  4. 24 days

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The area of the field is πr² = (22/7) * 14 * 14 = 616 sq. ft. If the cow grazes 100 sq. ft. per day, the time taken is 616 / 100 = 6.16 days. Approximately, this is 6 days.