Question

# A train crosses a pole in $$3$$ seconds, and a $$200$$ metre long platform in 8 seconds, calculate the length of the train.

Solution

## Let the length of the train be x metres.Then Speed $$= \dfrac{x}{3} = \dfrac{x + 200}{8} \left [ Speed = \dfrac{Distance}{Time}\right ]$$$$\dfrac{x}{3} = \dfrac{x + 200}{8}$$$$8x = 3x + 600$$$$5x = 600$$$$\therefore x = 120 metres.$$Mathematics

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