Q. 275.0( 3 Votes )

The length of a rectangular field is twice its breadth. Jamal jogged around it four times and covered a distance of 6km. What is the length of the field?

Answer :

Given:


length, l = 2 × breadth, b


Distance covered after 4 times of jogging = 6 km


Perimeter of field = 6 / 4


= 1.5 km or 1500 m


Perimeter = 2 × (l + b)


2 × (l + b) = 1500


2 × (2b + b) = 1500


2 × 3b = 1500


6b = 1500


b = 250 m


Length, l = 2 × 250


Length = 500 m


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