a person walk at the rate of 4 km/h how long will it take to go round or square Park 5 times, whose area is 1200 sq m
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Time taken to go one time = 1200×18/20
= 1080 seconds
So total time taken to go 5 times = 1080 × 5
= 5400 seconds
= 90 Hours
= 1080 seconds
So total time taken to go 5 times = 1080 × 5
= 5400 seconds
= 90 Hours
navi8313:
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400√3×18/20
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