How many times must I run around a square field, where area is one hectare a distance of 6 kilometres ?
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Solution
Area of a square field =1 hectare =10000m2 =100m2 ∴ side of a square =100m i.e. perimeter or the distance required to go round a field once =4×100 m or 400m Hence the required number of times to run 6 kilometers =6×1000400 =15