A train 200 meters long passes a static utility pole in 10 seconds. Find the time it takes to completely pass a platform of length 400 meters. MCQ with Answer and Explanation

A train 200 meters long passes a static utility pole in 10 seconds. Find the time it takes to completely pass a platform of length 400 meters.
A. 30 seconds
B. 35 seconds
C. 32 seconds
D. 26 seconds
Answer: Option A
Solution (By JKSSB Mock Tests)
Speed of train = 200 / 10 = 20 m/s. Total distance to pass platform = 200 + 400 = 600 meters. Time taken = 600 / 20 = 30 seconds.

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Practice More Time Speed and Distance Questions

Question #1
A train 180 meters long is tracking at a uniform speed of 72 km/h. How many seconds will it take to clear a stationary passenger standing on a platform?
A. 11 seconds
B. 10 seconds
C. 8 seconds
D. 9 seconds

Correct Answer: Option D


Explanation:
Speed of train = 72 * (5/18) = 20 m/s. Time taken to clear the passenger = 180 / 20 = 9 seconds.

This question belongs to: Maths Time Speed and Distance
Question #2
Two trains 120 meters and 130 meters long are running in opposite directions at speeds of 45 km/h and 45 km/h respectively. In what time will they cross each other?
A. 12 seconds
B. 11 seconds
C. 9 seconds
D. 10 seconds

Correct Answer: Option D


Explanation:
Total distance = 120 + 130 = 250 meters. Relative speed in opposite directions = 45 + 45 = 90 km/h = 25 m/s. Time taken = 250 / 25 = 10 seconds.

This question belongs to: Maths Time Speed and Distance
Question #3
A student walks from his quarter block to the academy center at 4 km/h and arrives 8 minutes late. If he manages a pace of 5 km/h, he arrives 4 minutes early. Find the track distance.
A. 4.0 km
B. 3.5 km
C. 5.0 km
D. 4.5 km

Correct Answer: Option A


Explanation:
Time difference = 8 - (-4) = 12 minutes = 10/60 = 1/5 hours. Let distance be d. d/4 - d/5 = 1/5 => d/20 = 1/5 => d = 4 km.

This question belongs to: Maths Time Speed and Distance