A train 160 meters long passes a static utility pole in 8 seconds. Find the time it takes to completely pass a platform of length 240 meters. MCQ with Answer and Explanation

A train 160 meters long passes a static utility pole in 8 seconds. Find the time it takes to completely pass a platform of length 240 meters.
A. 20 seconds
B. 24 seconds
C. 22 seconds
D. 18 seconds
Answer: Option A
Solution (By JKSSB Mock Tests)
Speed of train = 160 / 8 = 20 m/s. Total distance to pass platform = 160 + 240 = 400 meters. Time taken = 400 / 20 = 20 seconds.

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Practice More Time Speed and Distance Questions

Question #1
A commuter covers 40% of his total journey distance at 40 km/h and the remaining 60% at 60 km/h. Find his average speed for the whole journey.
A. 52 km/h
B. 48 km/h
C. 50 km/h
D. 54 km/h

Correct Answer: Option C


Explanation:
Let total distance be 100 km. Time for first part = 40 / 40 = 1 hour. Time for second part = 60 / 60 = 1 hour. Total distance = 100 km, Total time = 2 hours. Average speed = 100 / 2 = 50 km/h.

This question belongs to: Maths Time Speed and Distance
Question #2
A sonic pulse registers a speed of 340 m/s. How many seconds will it take to span a straight distance line of 8.5 km?
A. 28 seconds
B. 30 seconds
C. 25 seconds
D. 22 seconds

Correct Answer: Option C


Explanation:
Distance = 8.5 km = 8500 meters. Time taken = 8500 / 340 = 25 seconds.

This question belongs to: Maths Time Speed and Distance
Question #3
A cargo train running at 64 km/h overtakes a cyclist riding at 10 km/h in the same direction in 10 seconds. Find the length of the train.
A. 160 meters
B. 150 meters
C. 140 meters
D. 180 meters

Correct Answer: Option B


Explanation:
Relative speed = 64 - 10 = 54 km/h = 54 * (5/18) = 15 m/s. Length of train = Relative speed * Time = 15 * 10 = 150 meters.

This question belongs to: Maths Time Speed and Distance