the distance between two places is 120 km a car travelling at a certain speed can cover the distance in 2 hours 30 minutes by how many kilometre hour should the speed of the car increases for it to take 30 minutes less to cover the distance
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Answer: 48 kmph
Step-by-step explanation:
speed = distance/hour
speed = 120/ 2.5 (2h 30 min = 2.5 hours)
speed = 48 kmph
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