t to iStricuehe length and breadth of a playground are 80 m and 35 m r – InterviewSolution

1.	t to iStricuehe length and breadth of a playground are 80 m and 35 m respectively.i) Find the cost of levelling it at 4.50 per square metre.) How long will a boy take to go three times round the field, if he walks at rate of 1.5 m per second?
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