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A circular road runs around a circular g...

A circular road runs around a circular ground. If the difference between the circumference of the outer circle and the inner circle is 66 metres, the width of the road is :
(Take `pi = (22)/(7)`)

A

21 metres

B

10.5 metres

C

7 metres

D

5.25 metres

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The correct Answer is:
B
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