Question

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A rectangular field is measured 290 m by 210m. How long will it take for a girl to go around the field if she walk at the rate of 1.5 m/sec ?​

Note:-

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Answer 1

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Given length of the rectangular field = 290 m

Also breadth of the rectangular field = 210m

We know that perimeter of the rectangular field = 2(Length + Breadth)

= 2(290 + 210) = 1000 m

Distance covered by the girl = 2 x Perimeter of the rectangular field

= 2 x 1000 = 2000 m

The girl walks at the rate of 1.5 m/sec.

Speed of the girl = 1.5 x 60 m/min = 90 m/min

Speed = Distance/ Time

So, time taken by the girl = Distance/Speed

= 2000/90

= 22292229 min

Hence, the girl will take 22292229 min to go two times around the field.

Hope it was helpfulll ✌️