Y’s average speed (in km/hour) during the first five hours is to be found, given the distances travelled by Y in each of the first five hours.![Screenshot 2025-05-06 193143.png](https://res.cloudinary.com/aptidude/image/upload/v1746540113/aptidude_questions/r7axbsrwpeuqoijaaifg.png)

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To find Y’s average speed during the first five hours, sum the distances travelled by Y in each of the first five hours and divide by 5 (since speed = total distance / total time).

From the table, Y’s distances in the first five hours are: 30, 45, 40, 30, and 20 km.

Total distance = 30 + 45 + 40 + 30 + 20 = 165 km
Total time = 5 hours
Average speed = Total distance / Total time = 165 / 5 = 33 km/hour.

Therefore, Y’s average speed during the first five hours is 33 km/hour.

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