A train 130 meters long passing a platform 170 meters long takes 15 seconds. Find the speed of the train in km/h. MCQ with Answer and Explanation

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A train 130 meters long passing a platform 170 meters long takes 15 seconds. Find the speed of the train in km/h.

A. 64 km/h

B. 84 km/h

C. 72 km/h

D. 80 km/h

Answer: Option C

Solution (By JKSSB Mock Tests)

Total distance = 130 + 170 = 300 meters. Speed = 300 / 15 = 20 m/s. In km/h = 20 * (18/5) = 72 km/h.

This question belongs to: Maths Time Speed and Distance

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Question #1

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Two trains 140 meters and 160 meters long are running in opposite directions at speeds of 50 km/h and 58 km/h respectively. In what time will they cross each other?

A. 11 seconds

B. 10 seconds

C. 12 seconds

D. 9 seconds

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Correct Answer: Option B

Explanation:
Total distance = 140 + 160 = 300 meters. Relative speed in opposite directions = 50 + 58 = 108 km/h = 30 m/s. Time taken = 300 / 30 = 10 seconds.

This question belongs to: Maths Time Speed and Distance