Question

Roohi travels 300 km to her partly by train and partly by bus she takes 4 hours of she travels 100 km by train and the remaining by bus find the speed of the train and the bus separately.
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Answer 1

Step-by-step explanation:

Let the speed of the train be x km/hr and the speed of the bus is y km/hr.

So according to question and using Time=SpeedDistance

Total distance =300 km

Roohi travels 60 km by train and 300−60=240 by bus in 4 minute,

x60+y240=4

and 100 km by train, 300−100=200 by bus, and takes 10 minutes more,

x100+y200=4+6010⇒x100+y200=625

Now, let x1=u and y1=v

then 60u+240v=4.............eq1

        100u+200v=625..............eq2

Answer 2

Answer:

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