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ML Aggarwal Solutions Class 8 Mathematics Solutions for Direct and Inverse Variation Exercise 9.2 in Chapter 9 - Direct and Inverse Variation

Question 1 Direct and Inverse Variation Exercise 9.2

Which of the following are in inverse variation?

(i) A number of students in a hostel and consumption of food.

(ii) Time is taken by a train to cover a fixed distance and the speed of the train.

(iii) Area of land and its cost.

(iv) The number of people working and the time to complete the work.

(v) The quantity of rice and its cost

Answer:

(i), (ii) and (iv) are inverse variations as

xy = constant

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