Question 35

If P travelled the first half of a journey at 40 km/hr and the remaining distance at 50 km/hr, what is the average speed of his travel?

Solution

Let d be the distance.

Average speed = $$\frac{d}{\frac{d}{2 \times 40} + \frac{d}{2 \times 50}}$$ = 44.44 km/hr

So, the answer would be option a)44.44 km/hr

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