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A wheel make 4000 revolution in moving a distance of 44 km. Find the radius of the wheel.

15 m
27 m
25 m
28 m

Correct Answer:

Explanation:

Distance covered in 1 revolution
= (44 x 1000) / 4000
= 11 m
According to the question,
2πr = 11
⇒ (44/7) x r = 11
∴ r = (11 x 7) / 44 = 1.75 m

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