Question

4.
Which of the following is a case of inverse variation?
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Answer 1

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• (i) We know that more is the number of workers to do a job, less is the time taken to finish the job. So, it is a case of inverse proportion.

• (ii) Considering uniform speed, as the distance to be travelled increases, the time taken to cover it will also increase.

Answer 2

Inverse Variation: If the relationship of variables y and x can be expressed in the form. y = k x for some constant k, then we say that y varies directly with x or that y is inversely proportional to x.