A commuter train passes a standing track post in 6 seconds flat. If the length of the train is 150 meters, find its speed in km/h. MCQ with Answer and Explanation

A commuter train passes a standing track post in 6 seconds flat. If the length of the train is 150 meters, find its speed in km/h.
A. 90 km/h
B. 110 km/h
C. 80 km/h
D. 100 km/h
Answer: Option A
Solution (By JKSSB Mock Tests)
Speed = 150 / 6 = 25 m/s. In km/h = 25 * (18/5) = 90 km/h.

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Practice More Time Speed and Distance Questions

Question #1
A train 150 meters long is tracking at 54 km/h. How long will it take to pass a stationary pedestrian?
A. 12 seconds
B. 8 seconds
C. 14 seconds
D. 10 seconds

Correct Answer: Option D


Explanation:
Speed of train = 54 * (5/18) = 15 m/s. Time taken = 150 / 15 = 10 seconds.

This question belongs to: Maths Time Speed and Distance
Question #2
Two sprinters race on a 200-meter straight track. The ratio of their speeds is 4 : 5. When the winner crosses the finish line, how far away from the tape is the slower sprinter?
A. 40 meters
B. 50 meters
C. 30 meters
D. 60 meters

Correct Answer: Option A


Explanation:
The faster sprinter covers 5 parts = 200 meters, so 1 part = 40 meters. In that same timeframe, the slower sprinter covers 4 parts = 4 * 40 = 160 meters. Distance remaining for the slower sprinter = 200 - 160 = 40 meters.

This question belongs to: Maths Time Speed and Distance
Question #3
A runner covers 100 meters in 11 seconds. Find his approximate speed in km/h.
A. 30.5 km/h
B. 36.0 km/h
C. 34.2 km/h
D. 32.7 km/h

Correct Answer: Option D


Explanation:
Speed = 100 / 11 m/s. In km/h = (100 / 11) * (18/5) = 360 / 11 = 32.72 km/h.

This question belongs to: Maths Time Speed and Distance