Question : Directions: If a train 150 m long crosses a pole in 12 seconds, then what is the speed of the train in km/h?
Option 1: 45
Option 2: 60
Option 3: 50
Option 4: 75

Question

Question : Two trains 150 m and 120 m long respectively moving from opposite directions cross each other in 10 seconds. If the speed of the second train is 43.2 km/hr, then the speed of the first train is:

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Answer 1

Correct Answer: 45

Solution : Given:
Length of a train = 150m
Time taken to cross the pole = 12sec

So, Speed = Distance ÷ Time
= 150 ÷ 12
= $\frac{25}{2}$ m/sec
Convert it to km/h→ $\frac{25}{2} \times \frac{18}{5}$ = 45 km/h

So, 45 km/h is the required answer. Hence, the first option is correct.

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Question : Directions: If a train 150 m long crosses a pole in 12 seconds, then what is the speed of the train in km/h?Option 1: 45Option 2: 60Option 3: 50Option 4: 75

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Question : Directions: If a train 150 m long crosses a pole in 12 seconds, then what is the speed of the train in km/h?
Option 1: 45
Option 2: 60
Option 3: 50
Option 4: 75