The length and breadth of a playground are 52 m 60 cm and 35 m 40 cm respectively. Find the cost of turfing it at rupees3.50 per square metre. How long will a man take to go twice round the field, if he walks at the rate of 2 metres per second?
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Step-by-step explanation:
ans .
area = lb
52.6 * 35.4
1862.04
price ,
3.5 * 1862.04
= 6517.14
perimetre
2+(l+b)
= 176
time = speed * distance
t = 2 * 2*172
t= 704 sec
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