length and breadth of a playground are 80m and 40m respectively. How long will a boy take to complete 6 rounds of the ground if he walks at the rate of 2 m/ s?
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as it depend on the perimeter, may be 720 sec..
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Heya
Here goes the answer.
Length of the playground=80m
Breadth of the playground=40m
Perimeter = 2(length+breadth)
=2(80+40)
= 2(120)
= 240m
One round is 240m
6 rounds = 6×240 = 1440
Speed = Distance/Time
Time = Distance/speed
= 1440/2
= 720sec
= 12min
Here goes the answer.
Length of the playground=80m
Breadth of the playground=40m
Perimeter = 2(length+breadth)
=2(80+40)
= 2(120)
= 240m
One round is 240m
6 rounds = 6×240 = 1440
Speed = Distance/Time
Time = Distance/speed
= 1440/2
= 720sec
= 12min
wvaish:
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You arw awesome
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