A train running at a speed of 80 km/h can cover a certain distance in 45 minutes. How long will it take to cover the same distance if its speed is
increased by 10 km/h?
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2
Answer:
speed = 80 km /h Time = 45 min = 45/60 hr = 3/4 hours. So, by using the formula, we get, Distance = 80 * (3/4) = 20*3 = 60 km/h
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Answered by
1
Distance=speed ×time = 80×45/60 = 60km
to cover same distance by 10km/h
time = distance/speed = 60/10 = 6sec
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