Find the Radius of the Wheel, If

A wheel makes 4000 revolutions in moving a distance of 44 kms. Find the radius of the wheel

  1. 69 metres
  2. 57 metres
  3. 77 metres
  4. 175 metres
Monis Rasool Professor Asked on 2nd June 2015 in Maths.
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  • 1 Answer(s)

    Answer: (4) 1.75 metres
    Explanation:-
    Distance covered by wheel in 4000 revolutions  = 44km
    44km = 44 x 1000
    = 44000 metres
    circumference  of wheel = distance covered in one round by wheel
    = 44000/4000
    thus, circumference of wheel = 11 metres = 2pr
    r = 11/2p
    r = 11 x 7 /2 x 22
    r = 1.75 metres
    Hence, the radius of wheel is 1.75 metres.

    Anurag Mishra Professor Answered on 2nd June 2015.
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