If a taxi going at 40 km/hr takes 25 minutes to travel a certain distance, by how much should it increase its speed (in km/hr) to travel the same distance in 20 minutes?
A) 50 B) 5 C) 25 D) 10
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Step-by-step explanation:
When the speed is 40 km/hr, time taken = 25 min. = 25/60 = (5/12) hrs
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