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What is the speed of a train of length 150 m, if it passes a pole in 5 sec?
1. 110 kmph
2. 111 kmph
3. 108 kmph
4. 100 kmph

1 Answer

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Best answer
Correct Answer - Option 3 : 108 kmph

Given : 

Length of a train = 150 m

the train passes a pole in = 5 sec. 

Formula used :

Speed of train (s) = distance travelled (d)/time taken (T)

1 m/s = 18/5 km/hr

Calculation :

speed of train = 150/5 = 30 m/s  

The speed of the train = 30 × 18/5 = 108 km/hr 

∴ The required answer is 108 km/hr.

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