find the number of revolutions made by a wheel in traveling a distance of 0.44 km. If it radius is 56cm.
A. 250
B. 100
C. 125
D. 150
Answer: Option C
Solution(By Examveda Team)
Radius of a wheel(r)= 56 CM.Total distance covered =0.44km = 44000 CM.
Perimeter of circle = 2*pi*r
Total distance Traveled by wheel in one revolutions = 2 * 22/7 * 56 = 352 CM.
Therefore, Number of revolutions in 44000CM is = 44000/352 = 125
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