A train 100 meters long passes a static observer in 5 seconds. How long will it take to pass a platform 260 meters long? MCQ with Answer and Explanation

Question

A train 100 meters long passes a static observer in 5 seconds. How long will it take to pass a platform 260 meters long?

A. 16 seconds

B. 22 seconds

C. 20 seconds

D. 18 seconds

Answer: Option D

Solution (By JKSSB Mock Tests)

Speed of train = 100 / 5 = 20 m/s. Total distance to pass platform = 100 + 260 = 360 meters. Time taken = 360 / 20 = 18 seconds.

This question belongs to: Maths Time Speed and Distance

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Question #1

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The speed of a boat in still water is 16 km/h and the speed of the current is 4 km/h. How much distance can the boat cover upstream in 3 hours?

A. 44 km

B. 40 km

C. 36 km

D. 32 km

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Correct Answer: Option C

Explanation:
Upstream speed = 16 - 4 = 12 km/h. Distance covered in 3 hours = 12 * 3 = 36 km.

This question belongs to: Maths Time Speed and Distance

Question #2

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Excluding stoppages, a transit truck travels at 75 km/h and including stoppages it travels at 62.5 km/h. How many minutes does the truck stop per hour?

A. 8 minutes

B. 10 minutes

C. 15 minutes

D. 12 minutes

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Correct Answer: Option B

Explanation:
Stoppage time per hour = (75 - 62.5) / 75 = 12.5 / 75 = 1/6 hour. In minutes = (1/6) * 60 = 10 minutes.

This question belongs to: Maths Time Speed and Distance

Question #3

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A person wins a 100-meter race in 12 seconds, while the runner-up finishes in 13 seconds. By what distance did the winner beat the runner-up?

A. 7.69 meters

B. 8.50 meters

C. 8.12 meters

D. 7.24 meters

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Correct Answer: Option A

Explanation:
Speed of runner-up = 100 / 13 m/s. Distance covered by runner-up in 12 seconds = (100 / 13) * 12 = 1200 / 13 = 92.31 meters. Beat distance = 100 - 92.31 = 7.69 meters.

This question belongs to: Maths Time Speed and Distance

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