Solve the following problems using two v...

Solve the following problems using two variables :
The fore wheel of a tractor makes 120 revolutions more than the rear wheel in going 720 m . If the diameter of the rear wheel is increased by `1 1/2 ` times the present diameter , then the fore wheel makes 20 revolutions more than the rear wheel in going the same distance . Find the circumference of each wheel .

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The correct Answer is:

The circumference of the front wheel : 2 m ; that of rear wheel : 3 m

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