Question

Which of the following pair of quantities are in direct proportion :
Quantity and cost of an item
Speed and time
Number of water taps to fill a water tank and time
Number of people and number of days for a fixed food provision

Answer 1

Answer:

1. Quantity and cost of item are in direct proportion.

2. Speed and time are inversely proportional.

3. Number of water taps to fill a tank and time are inversely proportional.

4. Number of people and number of days for a fixed food provision are in inverse proportion.

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