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A bicycle is running straight towards no...

A bicycle is running straight towards north What is the locus of the centre of the front wheel of the bicycle whose diameter is d ?

A

A line parallel to the path of the wheel of the bicycle at a height d cm

B

A line parallel to the path of the wheel of the bicycle at a height d/2 cm

C

A circle of radius d/2 cm

D

A circle of radius d cm

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