SOLUTION: Karnataka Express leaves Bangalore at 5 p.m. and reaches Dharmavaram at 9 p.m. Kurla Express leaves Dharmavaram at 7 p.m. and reaches Bangalore at 10.30 p.m. What time do the train
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Question 625091: Karnataka Express leaves Bangalore at 5 p.m. and reaches Dharmavaram at 9 p.m. Kurla Express leaves Dharmavaram at 7 p.m. and reaches Bangalore at 10.30 p.m. What time do the trains cross one another? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = the distance between the cities
Let = the rate of the Karnataka Express
Let = the rate of the Kurla express
How much of a head start does the Karnataka Express have?
from 5 PM to 7 PM ( any units for d[h] )
-------------- ( any units for d - same as d[h] )
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Start a stopwatch when the Kurla Express leaves. They will both
travel for the same time,
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Think of one train as standing still, and the other approaching
at the sum of their speeds. The moving train must cover
The sum of their speeds is:
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Divide both sides by
Multiply both sides by hrs minutes
They will meet at 56 minutes past 7
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check:
OK
