11. The length and breadth of a playground are 80 mand 35 m respective – InterviewSolution

1.	11. The length and breadth of a playground are 80 mand 35 m respectively(i) Find the cost of levelling it at? 1.50 persquare metre.(in) How long will a boy take to walk two timesround the field, if he walks at the rate of 15 mper second?
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