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Question

Which of the following statements are of inverse variation?

(1) Number of workers on a job and time taken by them to complete the job.

(2) Number of pipes of same size to fill a tank and the time taken by them to fill the tank.

(3) Petrol filled in the tank of a vehical and its cost

(4) Area of circle and its radius.

(1) Number of workers on a job and time taken by them to complete the job.

(2) Number of pipes of same size to fill a tank and the time taken by them to fill the tank.

(3) Petrol filled in the tank of a vehical and its cost

(4) Area of circle and its radius.

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Solution

(1) The number of workers on a job and time taken by them to complete the job are in

(2) The number of pipes of same size to fill a tank and the time taken by them to fill the tank are in

(3) The petrol filled in the tank of a vehical and its cost are in

(4) The area of circle and its radius are in

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