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(#M40010317) SELF question Keep an EYE

What distance must be covered, if a vehicle with front wheel having radius of 7 feet revolves 7 more revolutions as compared to the back wheel with the radius of 14 feet ?

Devendra Marghade (12 years ago)

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chandra kant prajapati  (12 years ago)

answer 196*pi = 616 feet
If the rear wheel takes 'x' revolution then the front wheel will take 'x+7'revolution. However the dis covered by both will remain same
ie. 2*pi*7*(x+7)=2*pi*14*x which on solving gives x=7 ie the rear wheel will move 2*pi*14*7 = 616 feet and this will be same for the front wheel

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