A train running at the speed of $60$ kmph crosses a pole in $9$ seconds. What is the length of the train?

120 metres

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180 metres

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150 metres

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270 metres

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None of these

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Solution

The correct option is B 150 metres
Time $= 9$ seconds
Speed $= (60 \times \frac{5}{18}) m / s e c = (\frac{50}{3}) m / s e c$
$∴$ Speed $= \frac{Distance}{Time}$

Length of the train (Distance) = (Speed $\times$ Time) = $(\frac{50}{3} \times 9) m = 150 m .$

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A train running at the speed of 60 kmph crosses a pole in 9 seconds. What is the length of the train?

The correct option is B 150 metresTime =9 seconds Speed =(60×518) m/sec=(503)m/sec∴ Speed =DistanceTime Length of the train (Distance) = (Speed × Time) = (503×9) m=150 m.

A train running at the speed of $60$ kmph crosses a pole in $9$ seconds. What is the length of the train?

The correct option is B 150 metres
Time $= 9$ seconds
Speed $= (60 \times \frac{5}{18}) m / s e c = (\frac{50}{3}) m / s e c$
$∴$ Speed $= \frac{Distance}{Time}$

Length of the train (Distance) = (Speed $\times$ Time) = $(\frac{50}{3} \times 9) m = 150 m .$