Mathematics
Grade9
Easy

Question

The diameter of the wheel is 100 cm. How many revolutions will each wheel make to travel a distance of 157 meters?

  1. 40    
  2. 30    
  3. 60    
  4. 50    

hintHint:

circumference of circle = 2 x 3.14 x r

The correct answer is: 50


    No of revolutions = distance travelled/circumference of the wheel
    = 157×fraction numerator 100 over denominator fraction numerator 3.14 over denominator 100 end fraction end fraction = 50

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