A train $132$ m long passes a telegraph pole in $6$ seconds. Find the speed of the train in km/hr.

50.4

km/hr

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98

km/hr

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79.2

km/hr

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85

km/hr

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Solution

The correct option is C $79.2$ km/hr
Speed of train $= \frac{Length of train}{Time taken to pass the pole} = \frac{132}{6} m / s e c = 22 m / s e c = (22 \times \frac{18}{5}) k m / h r = 79.2 k m / h r$

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A train 132 m long passes a telegraph pole in 6 seconds. Find the speed of the train in km/hr.

The correct option is C 79.2 km/hrSpeed of train =Length of trainTime taken to pass the pole=1326m/sec=22m/sec=(22×185)km/hr=79.2km/hr

A train $132$ m long passes a telegraph pole in $6$ seconds. Find the speed of the train in km/hr.

The correct option is C $79.2$ km/hr
Speed of train $= \frac{Length of train}{Time taken to pass the pole} = \frac{132}{6} m / s e c = 22 m / s e c = (22 \times \frac{18}{5}) k m / h r = 79.2 k m / h r$