A person runs a distance of 1200 meters along a straight road in 4 minutes. What is his speed in km/h? MCQ with Answer and Explanation

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A person runs a distance of 1200 meters along a straight road in 4 minutes. What is his speed in km/h?

A. 15 km/h

B. 18 km/h

C. 24 km/h

D. 20 km/h

Answer: Option B

Solution (By JKSSB Mock Tests)

Time = 4 minutes = 240 seconds. Speed = 1200 / 240 = 5 m/s. Speed in km/h = 5 * (18/5) = 18 km/h.

This question belongs to: Maths Time Speed and Distance

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Question #1

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A person runs around a circular track of circumference 400 meters. If his speed is 14.4 km/h, how many rounds can he complete in 10 minutes?

A. 6 rounds

B. 7 rounds

C. 5 rounds

D. 8 rounds

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Correct Answer: Option A

Explanation:
Speed = 14.4 km/h = 14.4 * (5/18) = 4 m/s. Time = 10 minutes = 600 seconds. Total distance = 4 * 600 = 2400 meters. Number of rounds = 2400 / 400 = 6 rounds.

This question belongs to: Maths Time Speed and Distance

Question #2

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A car travels at a speed of 54 km/h. What is its speed expressed in meters per second?

A. 10 m/s

B. 12 m/s

C. 15 m/s

D. 18 m/s

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Correct Answer: Option C

Explanation:
To convert km/h to m/s, multiply by 5/18. Speed = 54 * (5/18) = 3 * 5 = 15 m/s.

This question belongs to: Maths Time Speed and Distance

Question #3

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A train cross a pole in 12 seconds. If the speed of the train is 72 km/h, what is the length of the train?

A. 240 meters

B. 280 meters

C. 320 meters

D. 200 meters

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Correct Answer: Option A

Explanation:
Speed = 72 * (5/18) = 20 m/s. Length = Speed * Time = 20 * 12 = 240 meters.

This question belongs to: Maths Time Speed and Distance

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