Question : A train is moving at the speed of 54 km/h. How many seconds it will take to cover a distance of 450 meters?
Option 1: 60
Option 2: 30
Option 3: 45
Option 4: 36
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Correct Answer: 30
Solution :
The speed of the train is 54 km/h = $\frac{54 \times 1000}{3600} = 15$ m/s.
Distance = 450 meters
The time taken to cover a distance is given by the formula:
Time = $\frac{\text{Distance}}{\text{Speed}}$
Substituting the given values,
Time = $\frac{450}{15} = 30$ seconds
Hence, the correct answer is 30 seconds.
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