A traveller goes from City P to Q at 24 km/h in 5 hours. To complete it in 3 hours, by how much should speed increase?

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Accepted Answer

1. Find the distance: $D = 24	imes5 = 120$ km.

2. Required speed for 3 hours: $v = \dfrac{120}{3} = 40$ km/h.

3. Increase in speed: $40-24 = 16$ km/h.

4. So the correct option is **(a)**.

FINAL_ANSWER: a

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