A runner covers 200 meters in 22 seconds. Find his approximate speed in km/h. MCQ with Answer and Explanation

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A runner covers 200 meters in 22 seconds. Find his approximate speed in km/h.

A. 36.0 km/h

B. 30.5 km/h

C. 32.7 km/h

D. 34.2 km/h

Answer: Option C

Solution (By JKExamLibrary)

Speed = 200 / 22 m/s = 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

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Question #1

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A passenger coach locomotive 120 meters long passes a clear roadside post marker in 6 seconds flat. Find the time needed to cross an extensions platform 240 meters long.

A. 15 seconds

B. 18 seconds

C. 22 seconds

D. 20 seconds

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Correct Answer: Option B

Explanation:
Speed of coach locomotive = 120 / 6 = 20 m/s. Total distance to clear platform stretch = 120 + 240 = 360 meters. Time required = 360 / 20 = 18 seconds.

This question belongs to: Maths Time Speed and Distance