The length of a rectangular field is twice it's breadth.Meghna jogged around it 5 times and covered a distance of 3km. What is the length of the field
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Let the breadth be x
So the rectangle =2x
Distance covered by meghna after jogging around the field 5 times =3km
Distance covered only by the 1st time round the field =(3÷5)km
So the perimeter of the field will (3÷5)km
Perimeter of the rectangle=2 (l+b)
=》3÷5=2 (2b+b)
=》3÷5=2×3b
=》3÷5=6b
=》b=1/10
Therefore the breadth =x=1/10km=100m
The length=2x=2×1/10km=200m
HOPE IT HELPS....
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