SOLUTION: The distance between delhi and meerut is 75 km.Two trains at a speed of 100km/hr & 80km/hr leave the two stations at 8 am towards eachother.At what time will they pass eachother?
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Question 771275: The distance between delhi and meerut is 75 km.Two trains at a speed of 100km/hr & 80km/hr leave the two stations at 8 am towards eachother.At what time will they pass eachother?
Found 2 solutions by mananth, MathTherapy:
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
The distance between delhi and meerut is 75 km.Two trains at a speed of 100km/hr & 80km/hr leave the two stations at 8 am towards eachother.At what time will they pass eachother
Let the distance they meet after start be x
d= rt Or t= d/r
time taken by one train = x/100
time taken by other train = (75-x)/80
These two times are same
x/100 = (75-x)/80
80x=100(75-x)
80x=7500-100x
80x+100x=7500
180x= 7500
x= 41.67 km
time they meet = 41.67/100
=0.42 hours= 25 minutes
they will cross at 8:25 AM
Answer by MathTherapy(10551) (Show Source): You can put this solution on YOUR website!
The distance between delhi and meerut is 75 km.Two trains at a speed of 100km/hr & 80km/hr leave the two stations at 8 am towards eachother.At what time will they pass eachother?
Let time it’ll take them to meet be T
Distance equation: Distance covered by faster train, plus distance covered by slower train, equals distance between the two stations, OR
100T + 80T = 75
180T = 75
T, or time = hr, or 25 minutes
Time they’ll pass each other = AM
You can do the check!!
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