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A train 1386 m long is running at 18 km/hr. How long will it take to clear a 564 m long platform completely?
Question

A train 1386 m long is running at 18 km/hr. How long will it take to clear a 564 m long platform completely?

A.

390 seconds

B.

393 seconds

C.

386 seconds

D.

385 seconds

Correct option is A

Given
Length of train = 1386 m
Length of platform = 564 m
Speed of train = 18 km/hr
Formula Used
Total Distance = Length of Train + Length of Platform
Time = DistanceSpeed \frac{\text{Distance}}{\text{Speed}}​​
Solution
Speed = 18 × 518=5\frac{5}{18} = 5​ m/s
Distance = 1386 + 564 = 1950 m
Time = 19505\frac{1950}{5}​​
Time = 390 seconds
Final Answer
So the correct answer is (a)

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