Question

Which of the following is not a case of direct variation ?
(a)Quantity of petrol to travel more distance with a fixed speed.

(b)Amount of fees if number of students increased in a class.

(c)Time taken if number of workers are increased to complete the same
work.

(d) Number of sheets of same kind, when their total weight is increased.​

Answer 1

Answer:

(c)

Explanation:

because as the number of workers increases then time taken to complete the task will be decreases.

This the example of indirect variation or inverse proportion.