a train covers 72km in 4hours. calculate its speed. How far does it go in 90 Minutes
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27 km covered by the train in 90 minutes
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a train covers 72 km in 4 hours
speed = distance /time
speed =72/4=18km per hour
if 18 km is covered in 60 mins then let the distance covered in 90mins be x
18/60=x/90. ... direct proportion
x=90×18/60
x=27km
distance = 27kms
speed = distance /time
speed =72/4=18km per hour
if 18 km is covered in 60 mins then let the distance covered in 90mins be x
18/60=x/90. ... direct proportion
x=90×18/60
x=27km
distance = 27kms
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