The fuel consumed by a motorcycle during a journey while traveling at various speeds is indicated in the graph below:
The distances covered during four laps of the journey are listed in the table below:
| Lap | Distance (kilometers) | Average speed |
| (kilometers per hour) | ||
| P | 15 | 15 |
| Q | 75 | 45 |
| R | 40 | 75 |
| S | 10 | 10 |
From the given data, we can conclude that the fuel consumed per kilometre was least during the lap
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