Question

the area of a square field is 900 M² how much time will a girl take a run 10 times around it at the rate of 6 km/h​

Answer 1

here is your answer

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Answer 2

Answer:

area is 900m²

then side is 30m

p is 30×4=120m

10 rounds = 120×10=1200m

now apply unitary method

6000m she covers in 60 mins

1m she will cover in 60/6000

so 1200 m she will cover in 60/6000×1200 is 12 mins

hence answer is 12 mins

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