A train 240 meters long passes a pole in 24 seconds. How long will it take to pass a platform 650 meters long? MCQ with Answer and Explanation

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A train 240 meters long passes a pole in 24 seconds. How long will it take to pass a platform 650 meters long?

A. 89 seconds

B. 65 seconds

C. 114 seconds

D. 100 seconds

Answer: Option A

Solution (By JKSSB Mock Tests)

Speed of train = 240 / 24 = 10 m/s. Total distance to pass platform = 240 + 650 = 890 meters. Time taken = 890 / 10 = 89 seconds.

This question belongs to: Maths Time Speed and Distance

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Question #1

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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. 72 km/h

B. 84 km/h

C. 64 km/h

D. 80 km/h

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Correct Answer: Option A

Explanation:
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

Question #2

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A modern speedboat records a speed of 18 km/h in still water. It spans a specific upstream reach in 5 hours. If the current velocity is 4 km/h, find the reach distance.

A. 75 km

B. 80 km

C. 65 km

D. 70 km

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Correct Answer: Option D

Explanation:
Upstream speed = 18 - 4 = 14 km/h. Distance covered = Upstream speed * Time = 14 * 5 = 70 km.

This question belongs to: Maths Time Speed and Distance

Question #3

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If a man walks at 14 km/h instead of 10 km/h, he would have walked 20 km more. What is the actual distance traveled by him?

A. 40 km

B. 60 km

C. 70 km

D. 50 km

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Correct Answer: Option D

Explanation:
Let the time taken be t hours. Distance difference = 14t - 10t = 4t = 20 km => t = 5 hours. Actual distance = 10 * 5 = 50 km.

This question belongs to: Maths Time Speed and Distance

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