Question

Which of the following are in direct variation?
Money deposited in the bank and interest eamed on it.
Number of articles and their costs.
Number of workers and the time taken to complete a work.
L Area of land and its cost.
1. Distance travelled by a taxi and the fare charged.
Distance travelled and time taken (at constant speed).
Speed of the car and the time taken to cover a given distance.
Number of taps to fill a container and time required to fill the container.
Number of students and the fees collected by the school.
Sales tax and selling price of the commodity.​

Answer 1

1. direct variation
2. direct
3. inverse
4. direct
5. direct
6. direct
7. inverse
8. inverse
9. direct
10. direct