Math, asked by mamathajnanesha, 13 hours ago

A train 337.5 m is running at a speed of 81 km/h. How long will it take to cross a pole?

Answers

Answered by subhrosampa

1

Answer:

Mark me brainliest if I am correct

Step-by-step explanation:

Speed of the train relative to man =(

10

125

)m/sec

=(

2

25

)m/sec

=(

2

25

×

5

18

)km/hr

=45km/hr

Let the speed of the train be x km/hr. Then, relative speed = (x - 5) km/hr.

∴x−5=45⇒x=50km/hr.

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