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The diameter of a wheel is 1 m. The number of revolutions it will make to travel a distance of 22 km will be
  • a)
    2,800
  • b)
    4,000
  • c)
    5,500
  • d)
    7,000
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
The diameter of a wheel is 1 m. The number of revolutions it will make...
Here is the solution to your question: 

So, the Correct Answer is Option D 

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Community Answer
The diameter of a wheel is 1 m. The number of revolutions it will make...
Solution:

Given, Diameter of the wheel = 1 m
Radius of the wheel, r = Diameter/2 = 1/2 = 0.5 m

Distance travelled by the wheel in one revolution = Circumference of the wheel
Circumference of the wheel = 2πr
= 2 x (22/7) x 0.5 m
= 3.14 m

To travel a distance of 22 km, number of revolutions required = (Distance travelled)/(Distance travelled by the wheel in one revolution)

= 22000 m/3.14 m
= 7000

Therefore, the number of revolutions required to travel a distance of 22 km is 7000.

Answer: d) 7000
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The diameter of a wheel is 1 m. The number of revolutions it will make to travel a distance of 22 km will bea)2,800b)4,000c)5,500d)7,000Correct answer is option 'D'. Can you explain this answer?
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